Master Modern AI Engineering with Production Code

A Complete Guide to Vercel's AI SDK

Cloud & Full-Stack AI

Vercel AI SDK is a powerful TypeScript-first toolkit that provides a unified interface for building AI applications with Next.js and other modern frameworks. It eliminates the traditional complexity of managing multiple ...

AG-UI: How the Agent-User Interaction Protocol Works

AI Agents & Automation

AG-UI (Agent-User Interaction Protocol) is an open, lightweight protocol that standardizes the way AI agents interact with frontend apps. Consider it a common language that eliminates the need for custom integration code...

AI vs Generative AI: Understanding the Difference

Generative AI Foundations

Artificial Intelligence, or AI, is everywhere, from chatbots helping you shop to recommendation engines suggesting your next binge. Yet not all AI is the same, and the term is often used loosely, leaving many confused be...

Accessibility on the Platform

Web development

Codecademy is committed to providing a high-quality learning experience for all learners. That includes accommodating different usage forms such as auditory, motor, or visual restrictions, limited hardware, or other acce...

Affordances, Signifiers, and Clickability

Web development

For users on the web, the mouse click is perhaps the most fundamental human-computer interaction. The webbecamethe web partially through the power ofhypertext, or text in one document that links to other documents or res...

Agentic AI vs Generative AI: Key Differences

AI Agents & Automation

AI used to just recognize things and answer basic questions. Now we have two completely different types that work in their own ways. Understanding what is agentic AI vs generative AI matters because we need to pick the r...

Agentic IDE Comparison: Cursor vs Windsurf vs Antigravity

Developer Tools

Codebases these days are large, interconnected, and slow to reason. Traditional AI tools speed up code writing, but still require human intervention for planning, coordination, and verification. This is where Agentic IDE...

Android Studio Quick-Start Guide

Developer tools

Android Studio often intimidates beginners, but by learning a few handy shortcuts and getting the lay of the land, we can navigate this powerful development environment with ease.

Anthropic Claude Opus 4.6: Is the Upgrade Worth It?

LLM Workflows

On February 5, 2026, Anthropic released Claude Opus 4.6, and if you’ve been using Opus 4.5 and wondering if the upgrade is worth it, here’s the short answer “Yes!”. The long context retrieval alone jumped from 18.5% to 7...

Apache Kafka Tutorial: A Complete Guide for Beginners

Developer tools

Apache Kafkais a well-known distributed event streaming platform designed to efficiently manage real-time data feeds. It was originally developed by LinkedIn in 2011 and later open-sourced. Apache Kafka has gained immens...

Authentication and OAuth

Web development

Authenticationis the process used by applications to determine and confirm identities of users. It ensures that the correct content is shown to users. More importantly, it ensures that incorrect content is secured and u...

Authentication vs Authorization vs Encryption

Web development

Authentication, authorization, and encryption are all key concepts in web security, but it’s easy to confuse them. In this article, you’ll learn what these concepts are, and what roles they play in web security.

AutoGen Tutorial: A Guide to Building AI Agents

AI Agents & Automation

In today’s fast-paced AI landscape, building intelligent and interactive agents has never been more accessible. With AutoGen, we now have a powerful and flexible framework that enables developers and enthusiasts to creat...

Best IDEs for Mobile App Development: A Complete Guide

Mobile development

AnIDE(Integrated Development Environment) combines essential development tools into a single application, making mobile app development more efficient and organized. Rather than juggling separate tools for coding, debugg...

Bolt.new: Build a Full-Stack App in Minutes

Developer Tools

Building a full-stack app means juggling frameworks, writing boilerplate code, and spending hours setting up databases. Bolt.new solves these challenges by automating the development process.

Bootstrap: Creating Menus, Navbars, and Modals

Web development

In the first Bootstrap article, we worked on the codebrainery web page, starting with a basic template for the project. If you don’t already have it, you candownload codebrainery herebefore we dig into Bootstrap further...

Browser Compatibility

Web development

Web developers will often have a preferred Internet browser. Naturally, that same browser is the one used to preview websites and web applications in development. There are, however,a multitude of browsers(and many versi...

Build AI agents with LangChain v1: step-by-step tutorial

AI Agents & Automation

LangChain is an open-source framework for building applications with large language models. It provides tools to connect LLMs with external data sources, APIs, and custom functions, enabling developers to create agents t...

Build a Blog Research and Writer n8n Workflow: Complete Guide

AI Agents & Automation

Writing quality blog posts takes hours of research, drafting, and editing. What if we could automate most of that work while still producing articles that sound genuinely human?

Build a Custom LLM-Powered Chat App Using Chainlit

LLM Workflows

Building conversational AI applications has become increasingly accessible with the rise of large language models (LLMs). However, creating a user-friendly chat interface that can effectively interact with these models o...

Build a Private AI Chatbot Using Google’s Gemma 3n

LLM Workflows

AI-powered chatbots are reshaping the way we interact with technology, offering intelligent and personalized responses in real time. However, cloud-based solutions often raise concerns around data privacy, latency, and c...

Build a Sentiment Analysis App with Hugging Face and Streamlit

LLM Workflows

Sentiment analysis helps computers understand if text expresses positive, negative, or neutral emotions. In this tutorial, we’ll build a web app that analyzes emotions in text using Hugging Face transformers and Streamli...

Build a Summer Reading List using ChatGPT

Generative AI Foundations

In the summer, nothing beats relaxing with a good book. But finding a perfect summer read can be daunting so why not get some assistance? A perfect candidate for this task is ChatGPT! ChatGPT is an artificial intelligenc...

Build a To-Do List with Generative AI

Generative AI Foundations

In this innovative tutorial, we will explore how to harness the power of generative AI (Artificial Intelligence) to optimize your daily schedule and tasks. Whether you are struggling to balance work and personal life, or...

Build an AI Travel Assistant With Google Agent Development Kit (ADK)

Cloud & Full-Stack AI

Google's Agent Development Kit (ADK) is a framework for developing, deploying, and testing AI agents, which makes it suitable for developing generative AI based applications.

Build an LLM Evaluation Framework: Metrics, Methods & Tools

LLM Workflows

Building an LLM evaluation framework requires five key steps: defining evaluation objectives, creating test datasets, selecting metrics, choosing tools, and implementing automation. This systematic approach ensures your ...

Build an MCP Server: Complete MCP Tutorial for Beginners

Developer Tools

Building an MCP server allows you to connect AI models like Claude to your local tools, data, and applications through a standardized protocol. In this tutorial, you'll build an event calendar MCP server from scratch usi...

Building LangChain Agents for LLM Applications in Python

AI Agents & Automation

Large language models (LLMs) have transformed the way we work. LLMs are trained on large datasets, and they have access to an amount of information beyond the capabilities of human beings. LLMs also have reasoning, quest...

Building Lists in SwiftUI

Mobile development

Presenting textual and graphical information in a column is a very familiar and natural way to visually organize data. Almost all modern apps utilize some sort of columnar data display. Think of popular social media apps...

Building Multi-Agent Application with CrewAI

AI Agents & Automation

Have you ever wished you could have a team of AI specialists working on your projects? Imagine having one AI expert for research, another for writing, and a third for editing - all working together seamlessly. Traditiona...

Building Projects with VS Code

Web development

As you move through various lessons and paths here on Codecademy, you may find yourself needing to create a project on your own computer and not on the Codecademy learning environment. This can be tricky, but it’s an exc...

Building Visual RAG Pipelines with Llama 3.2 Vision & Ollama

LLM Workflows

LLaMA 3.2 Vision is Meta's vision-language model that processes text and images in a single input, which makes it a multimodal large language model. It overcomes the limits of traditional RAG by enabling RAG visualizatio...

Building Websites with Wix

Developer tools

Creating a website has never been easier. Previously, making a presentable website meant learning HTML, CSS, andJavaScript. The whole process could take weeks, months, or even years before creating a website that you’re...

Building a Language Model Application with LangChain: A Beginners Guide

LLM Workflows

With Generative AI sweeping the world, learning to build and develop applications with large language models (LLMs) is crucial. LLMs are machine learning models that can understand and generate human-like language text.

Building a Neural Network Model Using TensorFlow

Generative AI Foundations

Traditional machine-learning algorithms like Random Forest and XGBoost are very effective in building applications using structured tabular data. However, they fall short when dealing with complex tasks like image recogn...

Building a Neural Network using PyTorch

Developer Tools

Have you ever wondered how neural networks learn to make predictions or classify data? Neural networks serve as the foundation of artificial intelligence, allowing machines to recognize patterns and make informed decisio...

Building a Redux Store from Scratch Using Vanilla JavaScript

Web development

Though thereduxpackage provides thecreateStore()method for us, examining how this powerful object can be created using vanillaJavaScriptwill help illuminate how Redux works under the hood. This article is for learners wh...

Building an AI Chatbot with Rasa and Ollama

AI Agents & Automation

Rasa is an open-source framework that builds AI-powered chatbots and virtual assistants. It helps chatbots understand what users say, manage the flow of conversation, and respond intelligently. Rasa has two main parts:

CSS Glossary

Web design

Comments in CSS are signified by a forward-slash and asterisk.

CSS Visual Rules in Chrome Inspector

Developer tools

Browser developer tools allow web developers to quickly collect important information on most websites. These tools are available within most major web browsers, like Chrome, Safari, and Firefox, to name a few. Because G...

Chain of Thought Prompting Explained (with examples)

LLM Workflows

While working with a large language model (LLM) like ChatGPT or Gemini AI, we often run into situations where the model gives a wrong answer. In such cases, we can force the LLM model to derive the solutions in a step-by...

Change Log

Web development

We’ve made changes to some of our SQL content, which will go live on September 30, 2026. These updates focus on freshening up datasets so that content feels more relevant to current-day examples. As a result of these upd...

Characteristics of a good Test

Web development

A test suite is a collection of tests that you can run against a piece of software. The goal is for these tests to catch any errors in your software before you make it available to the end user.

ChatGPT Agents: 3 Powerful Ways to Automate Tasks with AI

AI Agents & Automation

ChatGPT agents are specialized AI assistants that can act autonomously based on goals set by the user. Unlike traditional chatbots that wait for user input, these agents are designed to proactively take action, analyze d...

Claude Code Tutorial: How to Generate, Debug and Document Code with AI

LLM Workflows

Claude Code is an AI-powered coding assistant developed by Anthropic. It helps developers write, understand, and improve code using natural language prompts.

Claude Opus 4.5 Tutorial for AI Agents and Coding

AI Agents & Automation

Building reliable AI agents which can debug production code, manage multiple steps of workflows, and also reason through complex problems has been almost impossible, until now. Claude Opus 4.5 delivers state-of-the-art p...

Code Interpreter with GitHub Co-Pilot in Visual Studio Code

Developer Tools

Welcome! In this tutorial, we will embark on an exciting journey to explore how GitHub Copilot, an AI-powered coding assistant, can enhance our programming experience in Visual Studio Code (VSCode). Whether new to progra...

Command Line Interface

Developer tools

The command line interface is a program on your computer that allows you to create and delete files, run programs, and navigate through folders and files. On a Mac, it’s called Terminal, and on Windows, it’s Command Prom...

Comparison of Build Tools

Web development

The internet’s growing landscape of available build tools raises many questions: How do different build tools compare with one another? What important features differentiate one build tool from another? What are the idea...

Complete List: Command Line Prompt (CMD)

Developer tools

Update: Cheat Sheets BETA is here!

Connecting Page Elements to a Dataset

Web development

Acollection,dataset, and page elements are necessary components for transmitting data between the database and pages on your site. A collection is where your data is held inside of Wix’s built-in database. A dataset lin...

Consider Design While You Build

Web development

Whatever you are setting out to build will be used by real people—a minimum of one (you) and a maximum of billions around the world! When you write the first few lines of code you should have an answer to the question -...

Context Engineering in AI: Complete Implementation Guide

LLM Workflows

Context engineering in AI is the practice of strategically designing and organizing background information to help AI systems understand specific situations, domains, or requirements for tasks. Unlike basic prompting, co...

Crafting Sales Emails with ChatGPT: A Comprehensive Guide for Entrepreneurs

Developer Tools

In the fast-paced world of entrepreneurship, communication is everything. It's how you build relationships with your customers, convince them of the value you're offering, and ultimately, drive sales. Among the many comm...

Create Custom Workouts Using ChatGPT

LLM Workflows

In the ever-evolving world of fitness, personalized workout plans have become a sought-after solution to achieving optimal results. This is where the power of generative AI comes into play. In this tutorial, we will leve...

Create Graphical Marketing Assets Using DALL-E

LLM Workflows

Welcome to this comprehensive tutorial on leveraging the power of generative AI, specifically DALL-E, to create a collection of image-based marketing assets. Whether you're a seasoned marketer looking to innovate, or a s...

Create Stunning Tailwind CSS Forms: A Step-by-Step Guide

Web development

Have you ever wondered how websites make their forms look cool and easy to use?

Create Text-Based Marketing Assets Using ChatGPT

LLM Workflows

Welcome to this comprehensive tutorial on leveraging the power of generative AI specifically, ChatGPT, to create a collection of marketing assets. Whether you're a seasoned marketer looking to innovate for your industry,...

Create Your First Local HTML/CSS Project

Web development

In this article, we’ll cover how to take the CSS skills you’ve learned on Codecademy and use them to create a basic web page built entirely from the tools you have on your computer. Before you proceed, you should already...

Create a Business Pitch Using ChatGPT

Developer Tools

A great business pitch is essential for effectively communicating your business idea and attracting investors, partners, or customers. Here are key elements that make a business pitch successful:

Create a Recipe with ChatGPT

Developer Tools

We've all been there. It's our turn to plan a nice party for our friends and family, and we've decided to make it a dinner party. The only issue is that we don't know what to cook for dinner! Luckily, ChatGPT can help us...

Create a Resume Using ChatGPT

Developer Tools

Welcome to an innovative approach to crafting your resume. By the end of this guide, you'll be familiar with this amazing tool, and you'll also be equipped to use it to its fullest potential to create a standout resume.

Create a URL Using Slugs

Web development

Picture this. You’re scrolling through the internet, find a cookie recipe, and click on the “Share” button to send this link to your friend:https://downshiftology.com/recipes/gluten-free-chocolate-chip-cookies/

Create and View a Web Page on Your Computer

Web development

When you navigate to a web page on the Internet, the browser is doing a lot of work. The browser reads all the necessary files (HTML, CSS, andJavaScript) and interprets those raw resources to paint the complex page you s...

Creating Custom Swag Merchandise Using Generative AI

Developer Tools

Have you ever wanted to create merchandise, products, or items to show off to your friends? Maybe you struggled to come up with an idea or an exact design. In this tutorial, we will use ChatGPT to develop swag in support...

Creating Dynamic Pages

Web development

Collections are tools to help you store information that you would want to use on your website. You’ve seen that you can use collections to create a dataset that directly interacts with page elements.

Creating a React App

Web development

React is a powerfulJavaScriptlibrary developed by Meta (formerly Facebook) for building dynamic user interfaces. Its component-based architecture and efficient rendering have fueled widespread adoption among developers,...

Creating a Word Cloud With Python

Data visualization

In Data Visualization,word cloudsare used to display textual data in a specific shape. The more frequent a word is in a chunk of text, the larger it will appear in the word cloud. This can provide interesting insights in...

Data Structure APIs

Web development

Data structures are all about choosing the right tool for the job. Do you need to store data in an ordered way, or do you just need to be able to store it and retrieve it quickly? What’s more important to your use case:...

Data Visualizations for Messy Data

Data visualization

Data visualization tutorials generally use pre-processed data. But what about datasets in the wild? What do we do about missing data? Or outliers that largely skew visualizations? What do we do when there are too many ob...

Database Scaling Strategies

Web development

When thinking about a software system’s scalability, we must consider the performance of one of the most common system resources: adatabase. Databases play a crucial role in the overall performance of any system that is...

Dataset Basics

Web development

Data is stored in a database, located in the back-end of a website (an inaccessible component that visitors don’t interact with). Database usage can range in complexity, from something as simple as storing a user’s profi...

Debugging in Visual Studio

Web development

In this video, you’ll learn how to debug your ASP.NET applications using Visual Studio’s debugging tools. If you don’t already have Visual Studio, followthis set-up article.

Decision Trees for Classification and Regression

Machine learning

Decision trees are a common type of machine learning model used for binary classification tasks. The natural structure of a binary tree lends itself well to predicting a “yes” or “no” target. It is traversed sequentially...

Deploy Rails to Heroku

Web development

After developing aRailsapp locally, the next step is to put it online. After developing a Rails app and previewing it locally on your computer, the next step is to put it online so others can see it. This is called deplo...

Deploying a Back-End with Heroku

Web development

Note: This article is currently teaching deployment usingHerokuwhich no longer offers a free tier plan.

Deploying a Flask App

Web development

Note: This article is currently teaching deployment usingHeroku.Heroku has announcedthat they are deprecating their free offering on November 28th, 2022. We are aware of this issue and are working hard on creating conten...

Deploying a Full-Stack App with Heroku

Web development

Note: This article is currently teaching deployment usingHerokuwhich no longer offers a free tier plan.

Deploying a Simple Python Script With Flask

Web development

In this article, we will cover how to locally deploy aPythonapplication using Flask, including:

Deploying a Static Site with Netlify

Web development

If you want to share a site that doesn’t have a backend and provides the same information to all visitors, then deploying a static site would be perfect. As you know, the most efficient way to deploy these static sites i...

Deploying to GitHub Pages

Web development

GitHubis a great tool to store projects and to collaborate with others, but its usefulness does not stop there. We’ll use a service called GitHub Pages to share our web page creations on the World Wide Web.

Depth-First Search: Conceptual

Web development

Depth-First Search is an algorithm used for searching tree data structures for a particular node, or node with a particular value associated with it. Depth-First Search is also more generally used as a tree traversal alg...

Design - Color

Web development

Color is an important tool in a visual designer’s toolbox. The color of an everyday object communicates a lot to an observer. For example, why is every stop sign red? It’s the same with web pages; users learn a lot about...

Design Mobile App UI with Google Stitch (Step-by-Step Guide)

LLM Workflows

Stitch by Google is an AI-powered UI design tool introduced at Google I/O 2025 and now available through Google Labs. With Google Stitch AI, users can turn text prompts or image inputs into responsive user interfaces and...

Design a Custom Game with Generative AI

Generative AI Foundations

Generative AI is a branch of artificial intelligence focused on generating entirely new content such as text, images, music, and game elements. It is a tool that can create captivating storylines, design intriguing chara...

Detecting Plagiarism in Generative AI

LLM Workflows

Generative AI (such as ChatGPT from OpenAI) is a helpful tool that can be used to assist us in a variety of tasks ranging from creating cooking recipes to debugging code and even creating an amazing Dungeons and Dragons ...

Docling AI: A Complete Guide to Parsing

LLM Workflows

Docling is an open-source framework created by IBM to convert unstructured documents into structured machine-readable formats. Instead of giving a raw text dump like most PDF tools, Docling analyzes the layout and turns ...

EDA Prior To Fitting a Regression Model

Data visualization

Before fitting any model, it is often important to conduct an exploratory data analysis (EDA) in order to check assumptions, inspect the data for anomalies (such as missing, duplicated, or mis-coded data), and inform fea...

Environments

Developer tools

Anenvironment, in the context of creating and deploying software, is the subset of infrastructure resources used to execute a program under specific constraints. Throughout the various stages of development, different en...

Exploratory Data Analysis with Data Visualization

Data visualization

Data visualization is an important component of Exploratory Data Analysis (EDA) because it allows a data analyst to “look at” their data and get to know the variables and relationships between them. In order to choose an...

Express.js Explained: What it is and How to Use it in Your JavaScript Project

Web development

Express.jsis a fast, unopinionated, and minimalist webframeworkforNode.js. It simplifies the process of building server-side applications and APIs by providing a robust set of features for handlingHTTP requests, routing,...

Feature Importance

Machine learning

When we fit a supervised machine learning (ML) model, we often want to understand which features are most associated with our outcome of interest. Features that are highly associated with the outcome are considered more...

Figma Make Tutorial: Build Interactive Apps with AI

Developer Tools

Ever designed a great UI and thought, "I wish I could just make this work without jumping through extra tools or workflows"? What if you could bring your designs to life by describing what you want, no handoff, plugins, ...

Filter Methods

Data visualization

Filter methodsare a type of feature selection method that works by selecting features based on some criteria prior to building the model. Because they don’t involve actually testing the subsetted features using a model,...

From Editor to Output

Web development

How does a program work? From our perspective, we write some code, run it, and then something (usually) appears in the output terminal; however, that isn’t the full story. In this article, we’re going to break down all o...

GPT-5.1 Codex Tutorial: Build Apps in VS Code

Developer Tools

Did you know AI can now write, update, and debug code directly inside your editor with just describing what you want? OpenAI's GPT 5.1 Codex is what you need to build applications faster and smarter. Let's have a look at...

Game Development with Unreal Engine

Developer tools

Picture the most immersive, otherworldly gaming environment you have experienced. The characters and their surroundings have a sense of realism or detail that makes it easy to forget you are on your couch and not in some...

Gemini 3 Pro vs GPT-5.1: Which AI Model Should You Choose?

Generative AI Foundations

During late 2025, foundation models experienced a dramatic evolution, with Gemini 3 Pro and GPT-5.1 outperforming their predecessors in terms of multimodal capabilities, code generation, and their reasoning depth. The de...

Genie 3: New world model by Google

LLM Workflows

Imagine typing a simple sentence like "a medieval town square bustling with life" and instantly entering a fully playable, interactive 3D environment crafted from scratch. This is where world models like Genie 3 come in....

Getting Started with Cursor CLI: A Complete Guide

LLM Workflows

Jumping between an editor, documentation, and the terminal can feel like running in circles. It breaks your rhythm, makes errors easier to miss, and slows down even the basic tasks. Cursor CLI eliminates this friction by...

Getting Started with DALL-E for AI Image Generation

AI Agents & Automation

Have you ever found yourself in need of creating pictures based on a description alone? Perhaps you've had a collection of image sketches and wished to merge them into a single artwork. Meet DALL-E, a remarkable AI creat...

Getting Started with Git and GitHub Desktop

Developer tools

As a programmer, you’ll often find yourself working with many different types of files as well as collaborating with others on projects.

Getting Started with Heroku

Web development

Note: This article is currently teaching deployment usingHerokuwhich no longer offers a free tier plan.

Getting Started with IntelliJ

Developer tools

In this tutorial, we’ll walk through the process of installing and setting up the IntelliJ IDEA on your local machine. We’ll cover the installation process for both Mac and Windows and also set up the necessary configura...

Getting Started with LangChain Prompt Templates

LLM Workflows

Generative AI is revolutionizing the way we develop applications. Using LLM tools like ChatGPT or Gemini AI, we can create applications that perform multiple tasks by using different instructions. For example, we can use...

Getting Started with Modular's Mojo Programming Language

Developer Tools

Welcome to the world of Mojo! In this article, we will introduce you to the basics of Mojo programming language and get you ready to start developing with Mojo.

Getting Started with Netlify

Web development

Put simply, Netlify is an all-in-one platform that makes it incredibly easy to deploy static web applications to the world in record time.

Getting Started with OpenAI Models

Developer Tools

Learn how to set up, use, and fine-tune OpenAI models for various applications. Get step-by-step guidance and tips on utilizing these powerful AI tools.

Getting Started with Using Generative AI for Analytics

Developer Tools

Generative AI for analytics is possible due to the vast amount of AI tools available. Instead of creating custom algorithms or manually parsing through data, we can provide data sets to AI and let it do the hard work for...

Getting Started with Visual Studio Code

Web development

In this article, we will go over the steps necessary to download a popular text editor called Visual Studio Code, also referred to as “VS Code.” By the end of this article, you will be all set up to start interacting wit...

Getting Started with Visual Studio Code and Building HTML Websites

Web development

In this article, we will go over the steps necessary to download a popular text editor called Visual Studio Code, also referred to as “VS Code.” By the end of the article you will be able to create a folder in Visual Stu...

Getting Started with the Wix Editor

Web development

Now that you have a Wix account, you probably got started with one of Wix’s website templates. The next step is to add your own personalized touch! This can mean creating additional elements like images or videos to your...

Getting User Input in Node.js

Web development

Node.jsallows you to runJavaScriptcode outside of a browser window, offering powerful tools to interact with a computer filesystem, run web servers, and create terminal applications. Node handles these tasks by runningas...

Getting started with Node Package Manager

Web development

Note: This article assumes that you have some experience withNode.js and Node.js modules.

Git Commit Amend: Complete Guide with Examples

Developer tools

Git commit amend modifies your most recent commit without creating a new one. It’s used to fix commit messages, add forgotten files, or remove unwanted files from the last commit.

Git Setup for Mac and Windows Computers

Web development

In this tutorial, we walk through the process for using Git locally on your personal computer, and usingGitHubto back it up. We walk through creating your personal GitHub account, setting up Git on your computer, startin...

GitHub CLI Tutorial: Complete Guide to gh Commands

Developer tools

Are you tired of bouncing between browser tabs to merge a pull request or check an issue?GitHubCLI lets you do everything from your terminal without context switching.

Going Beyond with Heroku

Web development

Note: This article is currently teaching deployment usingHerokuwhich no longer offers a free tier plan.

Going Beyond with Netlify

Web development

This article presumes knowledge of Netlify and continuous deployment. Follow the steps in“Getting Started with Netlify”and“Deploying a Static Site with Netlify”to prepare for this article or get a refresher.

Google ADK Visual Agent Builder: Build Your First AI Agent

AI Agents & Automation

Google Agent Development Kit(ADK) Visual Agent Builder converts plain English descriptions into working AI agents through a browser interface. The platform eliminates Python coding, YAML configuration, and manual debuggi...

Google AI Studio: Build and Test Gemini AI Models

LLM Workflows

Most developers spend hours setting up API clients, managing credentials, and writing integration code before testing their first model interaction. Google AI Studio skips this setup by providing a browser workspace wher...

Google Jules Tutorial: Real Examples & Implementation

Developer Tools

Google Jules is Google's AI coding assistant designed to help developers build better software faster. This smart tool works directly in our editor and connects with GitHub repositories to assist with code writing, docum...

Google Opal: Google's No-Code Tool for Building AI Apps

Developer Tools

Do you have an app idea, but lack the programming skills to build it? Turning your vision into reality traditionally requires programming knowledge, API integrations, and backend infrastructure. Google Opal solves this b...

Google VaultGemma: A Guide to Privacy-First LLMs

LLM Workflows

AI models are evolving across industries as powerful tools, but the question about how to keep private data safe still hangs over its use. Traditional large language models memorize and reveal parts of their training dat...

Grids in SwiftUI

Mobile development

The grid layout has become a familiar paradigm for mobile user experiences. The canonical example of grid layout is in the built-in camera roll app for iOS. It can also be found on an extremely popular social photo-shari...

HTML Class vs ID: What’s the Difference and When to Use Each

Web development

Theidattributein HTML assigns a unique identifier to a single HTML element. This identifier can be used to style the element withCSS, interact with it viaJavaScript, or create internal links within a webpage. Sinceidvalu...

HTML5 Game Development with Phaser

Web development

The internet is for many things, but it has nearly always been for games. And while the days of iconic Flash games likeLine RiderandThe Helicopter Gameare behind us, a new world of HTML5 games has taken hold. Leading the...

HTTP Errors: 404

Web development

There are five types of HTTP status codes that report on communications between the client and server. The 400-level codes denote aclient-sideerror, meaning an error that originated from an action taken by the user of aw...

HTTP Requests

Web development

This page is generated by a web of HTML, CSS, andJavascript, sent to you by Codecademy via the internet. The internet is made up of a bunch of resources hosted on different servers. The term “resource” corresponds to any...

HTTP Requests in Velo

Web development

Previously, we covered howgetJSON()can be used to “ask” for information from another website through a GET request. The GET request works by calling a URL endpoint, which is the specified location from where we can retri...

Handy Git Operations

Web development

Git provides us with a vast number of different commands that are listed on thedocumentationwhich can be intimidating at first. We will break down a couple that are powerful for daily tasks.

History of Chatbots

Machine learning

In October of 1950, Alan Turing proposed an approach for evaluating a computer’s intelligence and famously named his method, The Imitation Game. The premise is that an interrogator talks to two people through a “typewrit...

How To Build an App With Windsurf AI

AI Agents & Automation

Are you looking to supercharge your coding workflow? Windsurf AI is revolutionizing the development experience by integrating intelligent, AI-powered assistance right into your coding environment. Unlike traditional IDEs...

How To Create a Free AWS Account

Web development

In this tutorial, we will explain how to create anAWSFree Tier account. The sign-up process involves the following:

How To Install Jupyter Notebook on Mac and Windows

Data visualization

Jupyter Notebookis an essential tool for data science that allows you to create interactive documents combining code, visualizations, and explanatory text. Installing Jupyter Notebook through conda provides the most reli...

How To Use Code Llama

LLM Workflows

Code Llama is Meta's specialized AI coding assistant that helps developers generate, complete, and debug code across multiple programming languages. Released in 2023, this large language model transforms natural language...

How To Use Cursor AI: A Complete Guide With Practical Example

Developer Tools

Ever been overwhelmed with code, hoping your editor could somehow grasp what you're building? With software development getting faster and more intricate, the old coding process begins to feel clunky, hindered by relentl...

How Users Scan: Learning from Eye Tracking Research

Web development

You designed a beautiful web page. The color schemes and typography are perfect, the assets are beautiful, and the call-to-actions are intuitively positioned. Given all these things, you can count on users to interact wi...

How to Abort a Merge in Git

Developer tools

Gitis a well-known distributed version control system that allows developers to work on the same project, enabling collaboration, tracking changes, and maintaining different versions of a codebase. Git records changes to...

How to Build AI Agents with Gemini 3 in 10 Minutes

AI Agents & Automation

Gemini 3 is Google's latest multimodal AI model designed especially for creating autonomous AI agents. Gemini 3 is excellent at agentic tasks like tool use, code execution, and multi-step reasoning, in contrast to tradit...

How to Build AI Agents with n8n

AI Agents & Automation

Building AI agents with n8n transforms automation from rigid rule-following into intelligent decision-making. This n8n AI agent tutorial walks you through creating a fully functional email support bot that classifies inc...

How to Build Agentic AI with LangChain and LangGraph

AI Agents & Automation

You ask ChatGPT to find the best laptops for programming, and it does. Then you ask it to compare them, and it tries. Next, you ask it to pick one based on your budget and previous preferences-and it forgets. Why? Becaus...

How to Build Agents with Vertex AI Builder

Cloud & Full-Stack AI

Vertex AI Agent Builder is part of Google Cloud's Vertex AI suite. It combines no-code tools with a developer toolkit so you can build, test, and scale AI agents. You can build AI agents with Vertex AI Agent Builder in t...

How to Build Autonomous AI Agents Using Copilot Studio

AI Agents & Automation

Autonomous AI agents are changing how organizations automate complex workflows. Instead of relying on static rule-based scripts or manual oversight, these agents can detect events, reason over contextual information, and...

How to Build Claude Skills: Lesson Plan Generator Tutorial

Generative AI Foundations

Claude Skills are organized folders having instructions, scripts, and resources that Claude can discover and load to perform the specified tasks. They help encode repeatable workflows into Claude AI, transforming it from...

How to Build No-Code AI Agents Using Flowise AI

AI Agents & Automation

You can build powerful AI agents in Flowise AI without writing any code using its visual drag-and-drop interface. In this tutorial, you'll create a complete movie recommendation agent in 10 steps that can search database...

How to Build RAG Pipelines in AI Applications?

LLM Workflows

Retrieval augmented generation (RAG) is an AI technique we use to generate accurate responses to user queries by retrieving relevant documents for the query from an external database and using them as context for a large...

How to Build Web Apps Using Vite

Web development

In this article, we will useViteto bundle an existingweb app. Vite may be the right build tool for you if your project contains many modules as it can bundle files at lightning speed bypre-bundling dependencies.

How to Build a Smart Q&A Bot with Haystack: RAG Made Easy

AI Agents & Automation

In the age of generative AI, building intelligent question-answering systems is no longer a task exclusive to large research teams or tech giants. Thanks to open-source frameworks like Haystack, we can now build smart Q&...

How to Build a Website on GitHub Pages: Complete Step-by-Step Guide

Web development

GitHub Pages, a tool provided byGitHub, lets you easily create and deploy a website online. GitHub allows you to store all the files and code for your website in a repository. You can then use GitHub Pages to generate a...

How to Checkout Remote Branches in Git Using Git Checkout

Developer tools

Git, a popular version control system, helps developers collaborate on projects seamlessly. WithGit branches, developers can work on different features or bug fixes without interfering with the main codebase. Branches se...

How to Convert SQL to DB: A Step-by-Step Guide

Developer tools

Whether we’re developers, data analysts, or students working with databases, we’ve likely come acrossSQL(.sql) files. These files contain a collection of SQL statements—such asCREATE TABLE,INSERT INTO, andALTER TABLE—tha...

How to Create Effective AI Prompts (With Examples)

LLM Workflows

As artificial intelligence (AI) integrates itself into everyday tasks-from drafting emails and analyzing data to generating ideas and solving complex problems-the ability to communicate effectively with AI tools has beco...

How to Create SwiftUI Forms with Pickers: A Step-by-Step Guide

Mobile development

InSwiftUI, aFormis a specialized container view used to create user-friendly input interfaces, typically for data entry tasks like filling out settings, profile details, or preferences. It’s optimized for grouping contro...

How to Create a Custom GPT?

Generative AI Foundations

A Custom GPT is a version of the GPT model that you configure with:

How to Create a Website

Web development

When building a website, whether professionally or as a hobby, there are some easy steps to make sure that you start correctly. You will need a text editor installed on your computer. If you don’t have one, clickhereto r...

How to Create and Use an OpenAI ChatGPT API Key

Cloud & Full-Stack AI

ChatGPT has revolutionized text-based AI. It's more than a simple chatbot - it's a powerful language model that transforms how we interact with technology. To unlock its full potential in your projects, you'll need a Cha...

How to Create, List, and Manage Tags in Git

Developer tools

AGittag is a special kind of reference that points to a specificcommitin the commit history of a repository. Unlikebranches, which move forward with each new commit, tags remain attached to the commit that they are assig...

How to Delete a Git Branch Locally and Remotely

Developer tools

Gitis a powerful version control system that enables developers to track changes in their codebase efficiently. Git branches are separate lines of development that diverge from the main codebase, enabling developers to w...

How to Deploy Your Vibe Coding Projects for Free

Cloud & Full-Stack AI

Vibe coding is a software development method that uses AI tools to generate complete applications from natural language descriptions. Instead of spending hours programming, describe what you want in plain English and let...

How to Differentiate Lesson Content with ChatGPT

Generative AI Foundations

Once students are old enough to be reading to learn, a common challenge for educators is making lesson plans accessible to everyone in the classroom. Often, there will be situations where students can engage with the con...

How to Distribute and Publish Your App

Mobile development

In this article, we will show you how to prepare your App so that other people can finally use it! As mentioned previously, there are two main means by which you can distribute your app:TestFlightand theApp Storeitself....

How to Enroll in the Apple Developer Program

Mobile development

Congratulations on creating your first, or perhaps first of many, iOS applications! Now that you’re ready to grow a user base, the first step to publishing your App is to enroll in Apple’s Developer Program. As explained...

How to Fine Tune Large Language Models (LLMs)

LLM Workflows

LLM fine-tuning is the process of taking a pre-trained LLM and training it on a specific dataset to improve its performance for a particular use case. This approach is cost-effective, as it adapts an existing model to a ...

How to Fine-Tune Google Gemma 270M with Unsloth and QLoRA

LLM Workflows

Google Gemma is a family of lightweight, open-weight large language models built from the research behind Gemini. The Gemma 3 release includes five parameter sizes: 270M, 1B, 4B, 12B, and 27B with commercial-friendly lic...

How to Force Git Pull to Overwrite Local Changes in Git

Developer tools

When working withGit, it’s common to need the most up-to-date version of a project from theremote repository. The command that helps us retrieve and integrate changes from a remote repository into our localbranchisgit pu...

How to Install and Use GitHub Copilot CLI [Complete Guide]

Developer Tools

GitHub Copilot CLI extends the power of AI directly into our terminal, allowing us to interact with Git, shell, and GitHub CLI commands using natural language. In this guide, you'll learn how to install and use GitHub Co...

How to Optimize Code with Generative AI

Generative AI Foundations

Generative AI can be an incredible tool for optimizing code. It can improve code quality, enhance existing code, and streamline architecture design. In this tutorial, we will see this in action by using ChatGPT to assist...

How to Push Your App to App Store Connect

Mobile development

In this article, we will discuss how you can build your app for the App Store. You will follow a process calledArchiving, which creates a file inXcodethat users can download to their phones and use your app! After you ar...

How to Rename a Branch in Git Locally and Remotely

Developer tools

Need to rename aGitbranch? You can rename local branches withgit branch -m new-name, but remote branches require a few extra steps. We’ll show you both methods with examples.

How to Revert to Previous Commits Using Git Reset and Revert

Developer tools

In the world of software development, version control is essential to keep track of changes made to a project.Git, an open-source version control system, enables developers to manage different versions of their code thro...

How to Run Deepseek R1 Locally

LLM Workflows

Deepseek R1 is an open-source large language model (LLM) built for tasks like conversational AI, code generation, and natural language understanding. It can be used for:

How to Run Llama 3 Locally

LLM Workflows

Llama 3 is a powerful large language model (LLM) that has been gaining popularity among developers for its ability to generate human-like text. With fine-tuning options, context understanding, and improved performance, L...

How to Run and Use OpenAI's GPT-OSS Locally

LLM Workflows

GPT-OSS are OpenAI's first open-weight models in 20b and 120b parameter variants. You can download and run these models locally with tools like Ollama. In this guide we will show you how to set up and run GPT-OSS locally...

How to Set Up Your Development Certificate and Profile

Mobile development

In this article, we will walk through how to set up yourdevelopment certificateandprovisioning profile. A development certificate is how Apple devices verify that your App comes from a trusted source and is required in o...

How to Set Up and Use Google Antigravity

AI Agents & Automation

Google Antigravity is Google's free AI-powered IDE that lets developers build software using autonomous agents instead of writing code line by line. Powered by Gemini 3 Pro, it features an Agent Manager for orchestrating...

How to Setup a ChatGPT Account

Generative AI Foundations

Hello, future ChatGPT user! In this tutorial, we will walk you through the process of setting up a ChatGPT account. Before we start, please make sure you have an email address you can use on the sign-up and login pages.

How to Squash Commits in Git (Step-by-Step with Examples)

Developer tools

Git squash is the process of combining multiple Gitcommitsinto a single commit. This is typically done during an interactive rebase or by using thegit merge --squashcommand.

How to Switch Branches in Git Using Git Switch (With Examples)

Developer tools

Gitis a robust version control system that allows developers to efficiently collaborate on projects, manage changes, and track different versions of their codebase. One of its standout features is branching, which enable...

How to Take This Course

Web development

'The Codecademy Team, composed of experienced educators and tech experts, is dedicated to making tech skills accessible to all. We empower learners worldwide with expert-reviewed content that develops and enhances the te...

How to Translate With DeepL

Generative AI Foundations

It can be difficult for authors, educators, and other professionals to translate content between languages while maintaining its quality, tone, and meaning. Manual translation is expensive and time-consuming, whereas the...

How to Use .gitignore to Ignore Files and Folders in Git

Developer tools

When working withGit, it is essential to manage which files should be tracked and which should be ignored. Tracking files that should be ignored can clutter the repository, increase storage requirements, and even pose se...

How to Use AWS Bedrock: Build AI Chatbots with Console and Python

Cloud & Full-Stack AI

Imagine building a generative AI chatbot from scratch. You'd need to choose the right model, set up infrastructure, manage scaling, monitor usage, and ensure security. Sounds complex, right?

How to Use ChatGPT Advanced Data Analysis

Generative AI Foundations

ChatGPT Advanced Data Analysis (formerly ChatGPT Code Interpreter) was a plug-in that has since been rolled into OpenAI's GPT-4 implementation. It is a feature that fixed some of ChatGPT's shortcomings. Before Advanced D...

How to Use ChatGPT-5 Codex

Developer Tools

Artificial intelligence has changed how developers write code. ChatGPT-5 Codex is OpenAI's specialized AI model built specifically for coding tasks powered by GPT-5, OpenAI's most advanced model with breakthrough reasoni...

How to Use Chrome Web Developer Tools: Complete DevTools Guide

Web development

Modern websites require powerful debugging tools, and Chrome’s built-in web developer tools (also called developer toolbar or DevTools) provide everything you need. Here’s how to access Chrome developer tools instantly:

How to Use Claude Artifacts: Create, Share, and Remix AI Content

Generative AI Foundations

In the evolving generative AI landscape, tools that foster creativity, collaboration, and transparency are becoming increasingly important. One such tool is Claude Artifacts. Claude Artifacts is a powerful feature within...

How to Use Figma Sites to Build Website

Developer Tools

Figma Sites is a website builder that lets you create and publish websites directly from your Figma designs without coding. Now in open beta for all paid users, this integrated tool eliminates the need for exports or ext...

How to Use Git Prune to Remove Outdated References in Git

Developer tools

git pruneis a Git command used to prune or remove unreachable objects, such as commits and blobs, that are no longer referenced by any branch ortagin a repository. These objects might exist due to branch deletions,rebase...

How to Use Git Rebase: A Complete Guide

Developer tools

At a high level, rebasing can be understood as “moving the base of a branch onto a different position”. Think of it like a redo — “I meant to start here.”

How to Use GitHub Actions: A Step-by-Step Tutorial

Developer tools

GitHubActions is a robust automation tool integrated into GitHub, allowing developers to automate, tailor, and run development workflows directly within their repositories. They facilitateCI/CD (continuous integration an...

How to Use Hugging Face: Beginner's Guide to AI Models

Cloud & Full-Stack AI

Hugging Face is a leading open-source platform for building and deploying machine learning (ML) models, especially in natural language processing (NLP). It provides powerful tools like the Transformers library, a Model H...

How to Use Lovable AI With Demo Project

Cloud & Full-Stack AI

Lovable is an AI-powered platform that generates full-stack web applications from text descriptions. Founded by GPT Engineer creator Anton Osika, the platform launched in 2024 and quickly became one of Europe's fastest-g...

How to Use Midjourney

AI Agents & Automation

Midjourney, an AI image generator, provides a means to create impressive imagery from plain text prompts using only our browser. It is a generative artificial intelligence program that provides its services through Disco...

How to Use Model Context Protocol (MCP) with Claude

AI Agents & Automation

Have you ever felt overwhelmed by the complexity of configuring different tools and APIs while building AI agents? Imagine if there were a standardized way for the large language models (LLMs) to connect to the tools and...

How to Use NotebookLM: Create Study Notes & Presentations

Generative AI Foundations

NotebookLM is Google's AI-powered research and note-making tool that helps users organize, understand, and work with complex information. It acts like a personal research assistant that reads your uploaded materials like...

How to Use Perplexity AI: Build 3 Projects Step-by-Step

Developer Tools

Perplexity AI is an AI-powered search engine that provides real-time, cited answers to user questions instead of returning lists of links like traditional search engines. This tutorial demonstrates how to build three pra...

How to Use Stable Diffusion

AI Agents & Automation

The evolution of Artificial Intelligence (AI) has been remarkable, progressing from early stages with chatbots like ELIZA to its current application in generating images. Today, AI serves as an invaluable tool in our dai...

How to Use llama.cpp to Run LLaMA Models Locally

Cloud & Full-Stack AI

Large language models (LLMs) like Meta's LLaMA have revolutionized natural language processing. However, not everyone wants to depend on cloud-based APIs to run them. That's where llama.cpp comes in-a lightweight, open-s...

How to Use the ChatGPT Text-to-Speech (TTS) Model

Generative AI Foundations

Want to hear ChatGPT talk? OpenAI's text-to-speech (TTS) model turns written responses into expressive, human-like speech. Whether you're creating bedtime stories, voiceovers, or just experimenting with audio, it opens u...

How to build apps with Microsoft 365 Copilot App Builder

Cloud & Full-Stack AI

Microsoft 365 Copilot App Builder is an AI agent that converts natural language descriptions into functional applications. Describe a project tracker, equipment checkout system, or signup sheet, and App Builder generates...

How to conduct trustworthy research using ChatGPT

AI Agents & Automation

Are you new to your career field, or job role, or trying to become a subject matter expert? Maybe you're already an advanced researcher trying to identify solid resources in your field of choice. Regardless of the circum...

How to create a portfolio website using Lovable AI

Cloud & Full-Stack AI

Lovable AI is an AI website builder that generates complete web applications from simple text prompts. Unlike traditional website builders, Lovable AI website builder creates real code that you can customize and deploy a...

How to set up a deep learning environment

Machine learning

TensorFlow(TF), developed by Google Brain, is the most well-known library used in production fordeep learningmodels and it has a very large community. However, TensorFlow has a steep learning curve. On the other hand,Ker...

How to use Gemini 2.5 Flash Image (Nano Banana)

Generative AI Foundations

Photo editing requires switching between apps, layering on filters, and still ending up with edits that have low consistency. That's where Gemini 2.5 Flash Image, also known as Nano Banana, comes into the picture. It is ...

How to use Generative AI for Unit Testing

AI Agents & Automation

Are you a student in school, a junior software engineer, or a hobbyist programmer creating your own unit tests? Maybe you're still "copy & pasting" previous unit tests and then modifying them for your new classes? If so,...

How to use Jupyter Notebooks: A Complete Tutorial

Web development

Jupyter Notebooksare a powerful way to write and iterate on your Python code for data analysis. Rather than writing and re-writing an entire program, Jupyter Notebooks allow you to write code in separate blocks (or “cell...

Implementing Memory in LLM Applications Using LangChain

LLM Workflows

We often use LLM applications like ChatGPT or Google Gemini conversationally. To get better answers to our queries, we prompt iteratively and at every iteration, we provide an improved prompt. During this process, the LL...

Inline Styles in HTML

Web design

Usually, CSS is written in a separate CSS file (with file extension.css) or in a<style>tag inside of the<head>tag, but there is a third place which is also valid. The third place you can write CSS is inside of an HTML ta...

Installing Django

Web development

Django is a high-level web framework written inPython, used to quickly develop complex database-heavy websites like Instagram, Robinhood, and Youtube.

Installing IDLE on a Chromebook

Developer tools

If you haven’t set up your local Linux environment on your Chromebook yet, please read theProgramming Locally on a Chromebookarticle first.

Installing Jupyter Notebook on a Chromebook

Developer tools

If you haven’t set up your local Linux environment on your Chromebook yet, please read theProgramming Locally on a Chromebookarticle first. And if you’re using a Mac or Windows computer, learnhow to install Jupyter Noteb...

Installing Python 3 and Python Packages

Developer tools

Learning a newprogramminglanguage, such as Python, on the Codecademy platform is super convenient and a ton of fun! Sooner or later the time will come when you desire to build your own projects and continue learning on y...

Installing and Setting up Xcode

Mobile development

In this article, we’ll discuss how to install and set up Xcode on your local machine. We’ll be focusing on the installation procedure for Mac machines, as Xcode is anintegrated development environment (IDE)developed by A...

Installing and Using PostgreSQL Locally

Web development

In this article, we will be exploring the extremely prevalent database engine called PostgreSQL (or Postgres, for short). We will describe what it does, its main uses, and then explain how to set it up and use it on your...

Introducing Jupyter Notebook

Developer tools

Jupyter Notebook (sometimes called IPython Notebook) is a popular way to write and run Python code, especially for data analysis, data science and machine learning. Jupyter Notebooks are easy-to-use because they let you...

Introduction to CDNs

Web development

Otto, an Idaho small business owner, maintains an e-commerce website selling used bikes. They host their website on aserverin their hometown of Boise, Idaho. Their business has recently attracted the attention of a lot o...

Introduction to Data Wrangling and Tidying

Web development

Frequently when we work with data, we encounter unstructured and/ormessy data. Messy data can take a variety of forms. This could mean any of the following:

Introduction to Load Balancing

Web development

When dealing with the scalability of our software systems, we may often come across the challenge of dealing with an influx of requests. For example, imagine running a popularweb appthat sells dog apparel. We just releas...

Introduction to NoSQL

Web development

In the world of databases, there are many different ways to organize and store data. At this point, we are familiar with the concept of relational databases that store data in rows, form relationships between the tables...

Introduction to Regression Analysis

Machine learning

We often hear of new, complex “machine learning” methods that allow us to generate human language, very accurately predict changes in the stock market, or recognize that an image contains a person or specific object. Whi...

Introduction to Testing with Mocha and Chai

Web development

This article provides a high-level overview of tests using the Mocha and Chai frameworks.

Jan-v1 Tutorial: Build a Smart Q&A Assistant

LLM Workflows

Jan-v1 is a breakthrough 4B parameter AI model that achieves 91.1% accuracy in question-answering tasks while running 100% offline on your device. This remarkable performance surpasses even Perplexity Pro (90.6%), making...

Java Program Structure

Web development

Java programs have a specific structure in how the code is written. There are key elements that all Java programs share.

JavaScript Glossary

Web development

Update: Cheat Sheets BETA is here!

Javascript Guide: Arrays

Web development

Arrays areJavaScript’s ordered lists that can store any data types including Strings, Numbers, and Booleans.

Kimi Claw: Use OpenClaw Bot on your Browser

AI Agents & Automation

Kimi Claw takes OpenClaw and removes the hard setup parts, which include terminal setup, API wiring, VPS maintenance, skill-by-skill installs, and the constant anxiety that your "24/7 agent" dies the moment your PC or VP...

Kimi Claw: Use OpenClaw Bot on your Browser

AI Agents & Automation

Run OpenClaw autonomous browser bot directly on the cloud with Kimi Claw. Complete walkthrough from one-click cloud setup to autonomous browser navigation.

Kimi K2 Tutorial: Complete Guide to Using Kimi.ai

Developer Tools

Kimi K2 is an advanced AI platform that helps users analyze information, generate creative content, assist with coding, and support business planning. This complete tutorial shows you exactly how to use Kimi AI effective...

Kimi K2.5: Complete Guide to Moonshot's AI Model

AI Agents & Automation

Moonshot AI released Kimi K2.5 in January 2026, and it's making waves for one specific reason. Agent Swarm technology allows the model to coordinate up to 100 specialized AI agents working simultaneously. Instead of proc...

LangGraph Tutorial: Complete Guide to Building AI Workflows

AI Agents & Automation

LangGraph is a powerful Python library that simplifies creating, managing, and visualizing complex AI workflows. Built on the popular LangChain framework, LangGraph makes it straightforward to handle stateful workflows, ...

Learning from Solution Code

Web development

When you compare your solution to the official solution code, you’ll likely find that there are more differences than you were expecting. This is to be expected, and doesnotmean that your solution is wrong!

Log Transformation in Linear Regression: When and How to Use It

Data visualization

When analyzing data using linear regression, we often assume a linear relationship between the independent and dependent variables. However, real-world data doesn’t always behave that way. In many cases, the dependent va...

MVC Architecture Explained: Model, View, Controller

Web development

MVCarchitecture is a fundamental design pattern that helps developers organize code by separating an application into three interconnected components. If you’re wondering what is MVC, it stands for Model, View, Controlle...

Managing Assets and Icons

Web design

In this article, you will learn how to manage icons and assets using web-based tools.

Mocking In Tests

Web development

Mockingis the process of creating a fake version of an external service for testing purposes, particularly in unit tests and integration tests. Mocking is effective in testing individual units of code without relying on...

Model Context Protocol (MCP) vs. APIs: Architecture & Use Cases

Developer Tools

MCP (Model Context Protocol) and APIs (Application Programming Interface) serve different purposes in AI systems. APIs are standard interfaces that let applications communicate with each other through fixed endpoints. MC...

MongoDB Aggregation Pipelines: A Hands-on Tutorial

Web development

Analyzing data and extracting metrics requires several tasks such as filtering, sorting, grouping, etc. In MongoDB, we can perform these operations using aggregation pipelines.

MongoDB Aggregation Stages Explained

Web development

While analyzing data, we often need to filter, sort, and aggregate it to calculate metrics like sum, count, and average for different values in the dataset. For example, let’s say we want information about the average sa...

MongoDB Data

Web development

By now, we know that MongoDB is a NoSQL document database and that databases like these have some distinct differences relative to relational databases. In this article, we will dive deeper into the technical aspects of...

MongoDB Data Modeling Basics

Web development

When working with databases, we typically are given a blank slate with regards to what data we want to store. However, one of our most important decisions is not just the data we store but also how the data will be organ...

Mu Editor

Developer tools

Muis a simple Python code editor for beginner programmers. It looks like this:

NVIDIA Nemotron 3 Nano tutorial: Build a research paper summarizer

LLM Workflows

NVIDIA Nemotron 3 Nano is an open-source language model that handles up to 1 million tokens in a single context window - roughly 750,000 words or an entire 200-page research paper in one go. Released on December 15, 2025...

Nano Banana Pro Tutorial: Create & Edit Images

LLM Workflows

Nano Banana Pro is Google's advanced AI image generation model, powered by Gemini 3, which creates and edits images through text prompts. Available in the Gemini app, Nano Banana Pro offers professional-level creative co...

Normalization: Min-Max and Z-Score Normalization

Machine learning

Normalizationis a useful data preprocessing technique used to adjust the scale of numeric data features so that they fall within a particular range or follow a specific distribution. This is especially important when dat...

OpenAI's Codex App for macOS: Setup, Features & First Project

AI Agents & Automation

The Codex app is OpenAI's new macOS desktop application that allows you to build tools and automate tasks using AI agents, with no coding experience needed. The Codex app is built on advanced language models trained on b...

Outside-In Test-Driven Development

Web development

When software engineers and development teams build new features, they’re faced with challenging questions along the way. Some include:

Persistence in iOS

Mobile development

In this article, we’ll learn about persistence in iOS. We’ll learn about what persistence is, and take a look at the three most common tools that we can use for persistence in our iOS apps.

Phaser Quick Guide

Developer tools

Phaser offers a variety of methods and utilities right out of the box! It makes game development leaps and bounds easier than trying to tackle it from scratch.

Plan a Dungeons and Dragons Session with ChatGPT

LLM Workflows

Are you an adventurer looking for a quest to embark upon? Are you also someone with a day job and adult responsibilities that have been asked to plan and run a Dungeons and Dragons (D&D) game? Look no further! In this tu...

Principal Component Analysis

Data visualization

Principal Component Analysis (PCA)is adimension reductionmethod that is frequently used in exploratory data analysis and machine learning. This means that PCA can be leveraged to reduce the number of variables (dimension...

Programming Locally on a Chromebook

Developer tools

Do you have a Chromebook? Are you looking to write code locally or do a Codecademy off-platform project? Then you’ve come to the right place!

Programming in Python on a Chromebook

Developer tools

If you were able to enable Linux on your computer, it should automatically come with Python 3 installed. If you haven’t set up your Linux environment yet, please read theProgramming Locally on a Chromebookarticle before...

Prompt Engineering 101: Understanding Zero-Shot, One-Shot, and Few-Shot

LLM Workflows

Prompt engineering is the practice of designing input prompts for large language models (LLMs) to get the best possible outputs in a desired format. Using a prompt template, we provide a large language model with context...

Prompt Engineering vs Fine Tuning: When to Use Each

LLM Workflows

When building AI applications using large language models(LLMs), developers face a crucial decision in the fine-tuning vs prompt engineering debate. Choose LLM fine-tuning when you need specialized domain knowledge, have...

Push to GitHub

Web development

When developing an app, here’s a common approach:

RAG Chatbot With HuggingFace And Streamlit: Complete Tutorial

Cloud & Full-Stack AI

Customer support teams handle thousands of repetitive questions daily. AI chatbots can answer these questions instantly, 24/7. In this tutorial, we'll build a Hugging Face RAG chatbot using Streamlit to create intelligen...

React: The Virtual DOM

Web development

DOM manipulation is the heart of the modern, interactive web. Unfortunately, it is also a lot slower than mostJavaScriptoperations.

Reading Tests with Mocha and Chai

Web development

This article is a practical guide to reading tests written with the Mocha and Chai frameworks. In order to write code to pass test cases (often called ‘specs’), you need to familiarize yourself with how to read tests!

Rebrandly URL Shortener API

Web development

In this article, we will go over how to register a Rebrandly account and obtain an API Key for theRebrandly URL Shortener API. Afterward, we’ll use this information to successfully navigate throughJavaScript: Requests!

Red, Green, Refactor

Web development

Test-driven development(TDD) is an approach to software development where you write tests first, then use those tests to drive the design and development of your software application.

Represent Everyday Things with Objects

Web development

When we take a look at an item, we can come up with a few key characteristics that describe it. Take for instance, a dog. When we think of a dog, we might describe it using characteristics like its name, its body size, f...

Request-Response Cycle I

Web development

When developing a Rails app, therequest/response cycleis a useful guide to see how all the app’s files and folders fit together. The request/response cycle traces how a user’s request flows through the app. Understanding...

Request-Response Cycle II

Web development

When developing aRailsapp, therequest/response cycleis a useful guide to see how all the app’s files and folders fit together. The request/response cycle traces how a user’s request flows through the app. Understanding t...

Request-Response Cycle III

Web development

When developing aRailsapp, therequest/response cycleis a useful guide to trace how a user’s request flows through the app. A common category of web apps that are built with Ruby on Rails are form-based apps. These kinds...

Ridesharing Algorithms: Optimization and Iteration

Web development

As the world becomes more technological, algorithms are increasingly making appearances in our lives. Whether it’s the app that you use to order a pizza or the custom playlist that you listen to each week, there are more...

Run GLM-4.7 Flash Locally: Step-by-Step Installation

AI Agents & Automation

GLM-4.7 Flash is a newly released open-weight large language model from Z.AI that's gained attention for running locally while delivering strong performance in coding, reasoning, and agent-based tasks. Built on a Mixture...

Run a Full-Stack Web Application

Web development

In this article, you will learn how to use npm and MongoDB on your computer to run the Cake Bar application that you interacted with in theWhy Test?course. You will also run the Cake Bar test suite from your terminal and...

Running Hello World Locally (Xcode & Terminal)

Developer tools

Xcodeis anIDE,IntegratedDevelopmentEnvironment, containing a suite of software development tools developed by Apple for developing software for iOS, watchOS, macOS, iPadOS, and tvOS.

Running JavaScript in the Browser Console

Web development

Along with HTML and CSS,JavaScript(JS) makes up one of the core languages inweb development. JS code is normally added using the HTML<script>element for executing in web browsers, but most modern browsers also provide a...

Running Tests and Interpreting Output with Mocha and Chai

Web development

To run tests for your projects, first open the root project directory in your terminal. If you haven’t already, runnpm installto install all necessary testing dependencies. Finally, runnpm testin your terminal. This co...

Runway Aleph: A Complete Guide with 5 Practical Examples

Developer Tools

Artificial Intelligence (AI) is transforming creative workflows and Runway Aleph is at the forefront of this revolution. In this tutorial, we will guide you through everything you need to know about Runway Aleph, a cutti...

SAM3 by Meta: Text-Prompted Image Segmentation Tutorial

AI Agents & Automation

Have you noticed that the traditional segmentation models work only with predefined objects, and they can't understand text like "red bottle" or "person wearing white dress". We need to retrain them for every new object ...

Scikit-Learn Cheatsheet

Machine learning

Scikit-learnis a library in Python that provides many unsupervised andsupervised learningalgorithms. It’s built upon some of the technology you might already be familiar with, likeNumPy, pandas, and Matplotlib!

Scikit-Learn Tutorial: Python Machine Learning Model Building

Developer tools

Scikit-learn(often shortened to “sklearn”) is a free, open-source machine learning library for Python that provides simple and efficient tools for data analysis and modeling. Built onNumPy,SciPy, andmatplotlib,scikit-lea...

Seaborn Color Palettes: Complete Guide to Data Visualization Colors

Web design

Seaborn color palettesare predefined sets of colors that enhance your Python data visualizations by providing consistent, accessible, and visually appealing color schemes. These palettes help distinguish categories, emph...

Seaborn Styling, Part 1: Figure Style and Scale

Data visualization

When creating a data visualization, your goal is to communicate the insights found in the data. While visualizing communicates important information, styling will influence how your audience understands what you’re tryin...

Set Up with Git and GitHub

Web development

In this tutorial, we walk through the process for using Git locally on your personal computer and usingGitHubto back it up. Specifically, we’ll walk through creating your personal GitHub account, setting up Git on your c...

Setting Up Command Line

Developer tools

The command line is a powerful tool used by developers to find, create, and manipulate files and folders. This short tutorial will walk you through the steps for setting up the command line application on your computer.

Setting Up DB Browser

Developer tools

DB Browser is a visual tool used to organize commands sent toSQLite. With databases, it’s easy to lose track of commands that have been run. DB Browser lets you see exactly the sequence of commands you are executing befo...

Setting Up Node

Web development

This video will show you how to download and install Node.

Setting Up Postman

Web development

Postman is a GUI that aids in the development of APIs by making it easy to test requests and their responses in an organized way. Everything you can do in Postman you can also do through the command line, but Postman mak...

Setting Up a Backend

Web development

In contrast with a website’s frontend, where visitors see and interact with the page, thebackendis the part of the website that visitors have no direct interaction with. The backend is where data, like account informatio...

Setting Up and Using Screen Readers

Web development

Creating a good user experience requires us to think carefully about the diverse needs and devices of our users. We as designers and developers know that not everyone sees, hears, or reads content in the same way.

Setting up a Wix Account

Web development

The Wix Editor contains hundreds of stunning, customizable elements that you can use to create your site. Choose from images, text, shapes, strips and more to make your site interesting and beautiful!

Setup MongoDB

Developer tools

MongoDB is a database program that you will use to save and access information about users of the websites that you build. By the end of this article, you will be able to run MongoDB on your computer.

Setup and Fine-Tune Qwen 3 with Ollama

LLM Workflows

This guide shows you how to set up and fine-tune Qwen 3 models using Ollama.

Spies with Sinon

Web development

In testing, aspyis a function that observes and records information about another function’s calls including arguments, return value, thethisvalue, and exceptions thrown (if any). The information that is observed by the...

Spinning Up A Local Server

Web development

Before you begin, make sure that you have the following tools installed on your computer:

Standard Controller Actions

Web development

Ruby on Railsdefines seven standard controller actions can be used to do common things such as display and modify data.

Sublime Text

Developer tools

Text editors are programs developers write their code in. Though you might not have a text editor downloaded on your own computer, you’ve more or less used one. On Codecademy, we have a mock-text editor on most screens....

Swift Package Manager

Mobile development

When building applications, it is often helpful to use code that other developers have written to build more powerful applications more quickly. In iOS development, you have access to SwiftUI, which is code that Apple de...

Tab Views and Labels

Mobile development

Let’s begin by creating a project that will showcase the capabilities of Tab Views and Labels. Your final project will resemble the following video.

Test-Driven Development

Web development

Web developers have different workflows for creating and maintaining projects. For example, when implementing responsive design, some developers will program “mobile-first” by starting with the mobile view and scaling up...

Testing Types

Web development

At different stages of production for a particular project, you may encounter the opportunity for different types of tests, which can vary in scale and resource intensity, as well as serve different purposes. The types o...

The Box Model in DevTools

Developer tools

All HTML elements are boxes made up of four components: a content container, padding, border, and margin. In ourBox Model lessonwe introduce these four properties and use them to position elements on a website. If you ha...

The Machine Learning Process: Look What Taylor Swift Made Me Do

Machine learning

For the past few months, the Curriculum team at Codecademy has been hard at work creating Machine Learning courses. While we all loved writing courses, we also wanted to see what we could do with real-world data. As a re...

The Testing Pyramid

Web development

Full-stack web applications are often large and complex, and can grow to serve hundreds of different views to millions of users. As the size of a codebase and number of users grow, the cost of bugs compounds — from losin...

The tsconfig.json File

Web development

TypeScript features are extremely useful: for one, it allows us to add types to regularJavaScriptcode. It also checks for syntax errors even before run time. It even provides tooltips that show you why some code might th...

Toolbars and Sheets

Mobile development

In this article, you will learn:

Transformer Architecture Explained With Self-Attention Mechanism

Generative AI Foundations

Transformers are deep learning models that help the large language models (LLMs) understand the contextual meaning of text inputs and generate relevant text outputs. In this article, we'll discuss how the transformer arc...

Transforming Code Errors into Learning Opportunities

Web development

When you get started with coding, it’s inevitable that bugs will show up in your code. You’ll get unintended behaviors, and you even get a long, possibly scary looking, error alongside your bug(s). Even when you’re a sea...

Types of AI Agents: A Practical Guide with Examples

AI Agents & Automation

An AI agent is a system that observes its environment, processes information, and then takes actions to achieve specific goals. These AI agents vary on the basis of how they make decisions, plan actions, and interact wit...

Typography Design

Web development

Typography is the art of arranging text on a page to make it legible and appealing. Decisions about the arrangement of text are just as vital to site design as color, layout, and image selection. Text has the power to gr...

Understanding Convolutional Neural Network (CNN) Architecture

Generative AI Foundations

We use artificial neural networks to build deep learning applications for tasks like image recognition, text classification, and speech recognition. For image classification with fewer variations in training data and a s...

Up Next on Velo

Web development

In the beginning, you used Wix to drag and drop elements, but since then, you’ve done so much more. From creating simple Wix websites to comfortably using the platform to build dynamic websites in Velo, you’ve become a p...

Users Don’t Read Web Pages

Web development

You designed a beautiful web page. The color schemes and typography are perfect, the assets are beautiful, and the call-to-actions are intuitively positioned. Given all these things, you can count on users to interact wi...

Using ChatGPT for Pair Programming

Developer Tools

Pair Programming is an industry-standard methodology that pairs two developers together with the goal of producing a codebase with fewer errors compared to one developer working on the code. Pair programming can be condu...

Using ChatGPT to Debug Python Code

LLM Workflows

How does Generative AI understand the context of a sentence, paragraph, or piece of code written? There are two answers! First, Generative AI has been trained and continues to train as it interacts with you and the rest ...

Using ChatGPT to Prepare for a Meeting

Developer Tools

Whether presenting or participating as a listener, the ability to ask relevant and insightful questions is crucial. It drives understanding, fosters engagement, and leads to more productive discussions.

Using DeepEval for Large Language Model (LLM) Evaluation in Python

LLM Workflows

DeepEval is an open-source Python framework that lets you evaluate outputs from large language models (LLMs) and retrieval augmented generation (RAG) applications using 14+ built-in metrics like hallucination, toxicity, ...

V0 by Vercel: Build an app in 10 minutes

Cloud & Full-Stack AI

Turning an idea into a working app takes many days, but this can be done in minutes with v0. v0 by Vercel is an AI-powered tool that generates production-ready React components and full-stack apps from natural language.

Visualizing Time Series Data With Python

Data visualization

Data represented in a single point in time is known ascross-sectional data. As a Data Scientist or Analyst, sometimes you might encounter data that is collected over periods of time, known astime series data.

Web Development Change Log

Web development

Dear Learners, we have added a new module covering Interfaces to ourLearn Gocourse. Due to this additional content, you may see a drop in your progress.

Web Programming on a Chromebook

Web development

If you haven’t set up your local Linux environment on your Chromebook yet, please read theProgramming Locally on a Chromebookarticle first.

Web Security: Not An Add-On

Web development

As we become increasingly connected through the Internet by access through the computer, our phones, and even household devices, security has become a hot topic. Attacks can happen from any corner.

Web UI Conventions

Web development

Websites and the ways that people expect to use them have evolved together over the years. Features or layouts that were difficult to use were discarded, and features that worked well became more and more common, further...

What Are GPT Assistants?

AI Agents & Automation

OpenAI is best known for the development of ChatGPT, the most common natural language chatbot available on the internet. Interestingly, OpenAI developed the ability for other developers to create their own Generative Pre...

What Is AWS?

Web development

In this article, we will learn the following:

What Is JSON?

Web development

In a world inundated with data, it is becoming more important to know how to work with a variety of data. As programmers, we need to be able to transfer our populated data structures from any language we choose to a for...

What is ASP.NET Razor Pages?

Web development

According to Microsoft, the makers of the software, ASP.NET is: “anopen sourceweb framework…for building modern web apps and services with.NET.”

What is AWS EMR? A Complete Beginner's Guide

Cloud & Full-Stack AI

AWS EMR (Elastic MapReduce) is a managed cluster platform for running big data frameworks. It is designed to use frameworks such as Apache Spark to process huge (petabyte-scale) amounts of data. It allows you to develop ...

What is AutoGPT? Complete Guide to Building AI Agents

AI Agents & Automation

AutoGPT is an open-source application that creates AI agents capable of performing tasks autonomously with minimal human input. Unlike ChatGPT, which requires constant prompting, AutoGPT can break down complex objectives...

What is Back-End Architecture?

Web development

Software engineers seem to always be discussing the front-end and the back-end of their apps. But what exactly does this mean?

What is CSS-in-JS

Web development

This article will explore CSS-in-JS as a concept and evaluate the pros and cons of using CSS-in-JS. This article will not prescribe any specific library or syntax for using CSS-in-JS, as examples of both will be provided...

What is DSPy? Build a Text-to-SQL App with Python

LLM Workflows

Building applications with LLMs feels like an art form. We spend hours crafting the perfect prompt, tweaking the words, but it breaks when we switch models or update our use case. This trial-and-error manual approach to ...

What is Diff - Understanding Code Diff Tools

Developer tools

When we’re writing code, sometimes we want to compare two similar but different files.Diff tools, short for difference, allow programmers to look at the two files side by side and see exactly what differentiates them—whe...

What is Dify? Complete AI Bot Building Tutorial

Cloud & Full-Stack AI

Dify is an open-source platform that empowers users to build AI-native applications, such as chatbots, agents, and Q&A systems, using a visual, no-code or low-code interface. It integrates seamlessly with LLMs like OpenA...

What is Digital Accessibility?

Web development

Accessibility refers to designing devices, products, and environments such that individuals with disabilities or sensory impairments can successfully use the device or product.

What is GPT 5: OpenAI's Latest Model Explained

LLM Workflows

OpenAI has released GPT 5, marking a significant upgrade from previous ChatGPT models. In this article, we'll explore its features and test prompts, compare it with earlier models, and even build a game using GPT-5.

What is Git Reset? Explained with Examples

Developer tools

When we work withGit, mistakes are inevitable — we mightcommittoo early, forget to include a file, or simply want to undo a change. Fortunately, Git gives us several tools to fix such errors, and one of the most powerful...

What is GitLab and How Do Pull Requests Work in GitLab

Developer tools

Whether we’re working solo or as part of a team, version control systems likeGitare essential for managing code efficiently. GitLab stands out as one of the top platforms built around Git, offering a comprehensive suite...

What is Grok 4.1? Features, Emotional Intelligence & How to Access

Generative AI Foundations

Grok 4.1 is xAI's latest large language model, released four months after Grok 4. This update prioritizes conversational quality and usability improvements.

What is HTTP? Understanding HTTP Requests

Web development

HTTP (Hypertext Transfer Protocol) is used to structure requests and responses over the internet. HTTP requires data to be transferred from one point to another over the network. The transfer of resources happens using T...

What is LiteLLM and How to Use it

Cloud & Full-Stack AI

LiteLLM is an open-source Python library that acts as a unified interface for Large Language Models (LLMs). It allows us to connect with multiple AI providers such as OpenAI, Anthropic, Google Gemini, Mistral, Cohere, an...

What is One Hot Encoding and How to Implement it in Python?

Machine learning

When working with real-world datasets, attributes like gender, color, names of places, and product type contain vital information that can help build efficientmachine learning (ML)models. As ML models understand only num...

What is OpenRouter? A Guide with Practical Examples

Cloud & Full-Stack AI

OpenRouter is a platform that gives developers access to hundreds of large language models(LLMs) through a single API. Instead of maintaining separate integrations for OpenAI, Anthropic, Mistral, Google, and dozens of ot...

What is Product Usability?

Web development

Can you remember a time when a product you used left you with a miserable experience? Perhaps a particular tool was difficult to use, or a website made it difficult for you to perform a simple task (like logging in, for...

What is Programming?

Web development

Programming is, quite literally, all around us. From the take-out we order, to the movies we stream, code enables everyday actions in our lives. Tech companies are no longer recognizable as just software companies — inst...

What is REST?

Web development

REST, orREpresentationalStateTransfer, is an architectural style for providing standards between computer systems on the web, making it easier for systems to communicate with each other. REST-compliant systems, often cal...

What is Retrieval-Augmented Generation (RAG) in AI?

LLM Workflows

Retrieval-augmented generation(RAG) is the process of retrieving relevant documents for a user query, augmenting the documents with the query, and passing it to a large language model(LLM) for generating accurate outputs...

What is SQLite?

Web development

In this article, we will be exploring the extremely prevalent database engine calledSQLite. We will describe what it does, its main uses, and then explain how to set it up and use it on your own computer.

What is Spring Boot?

Web development

In aprevious article, we learned how components of a Spring application are configured as Spring beans and injected as dependencies into other components by the Inversion of Control (IoC) container. For example, one comp...

What is Streamlit? A Complete Guide for Building Data Apps

Cloud & Full-Stack AI

Have you ever considered writing a few lines of Python and instantly turning them into a live, interactive web app? No JavaScript, no CSS, and no complicated front-end frameworks, just Python.

What is Wireframing in Mobile App Development?

Mobile development

A mobile appwireframeis a collection of sketches and notes that represent what a mobile app might look like on a device. It shows the layout of elements such as navigation bars, buttons, and content blocks—essentially se...

What is Wireframing?

Web development

Before we build something, it’s a good idea to make a plan for what we’re going to build. For example, if we’re building a house, we shouldn’t do it without planning with designs and blueprints. When developers make plan...

What is a Database Index?

Web development

Indexesare a powerful tool used in the background of a database to speed up querying. Indexes power queries by providing a method to quickly lookup the requested data.

What is a Relational Database (RDBMS)?

Web development

SQL and relational databases work together to store and manage structured data efficiently. A relational database organizes information in tables with rows and columns, while SQL (Structured Query Language) provides the...

What is a Single Page Application (SPA)?

Web development

Wikipedia definesasingle-page application (SPA)as “a web application that interacts with the web browser by dynamically rewriting the current web page with new data from a web server, instead of the default method of the...

What is a Vector Database in AI? How They Work

LLM Workflows

This article discusses the basics of vector databases, their working, and applications through an example using ChromaDB.

What is a Web Application? Complete Guide to Web Apps

Web development

A web application is an application software that does not require installation and can instead be accessed from a remote server via web browser. Web applications are made for interaction, allowing users to send and cons...

What is an IDE? Understanding Integrated Development Environments

Developer tools

AnIDE, orIntegrated Development Environment, enables programmers to consolidate the different aspects of writing a computer program. Understanding the meaning of IDE and how it functions is crucial for modern software de...

What is n8n: Build AI Workflows with n8n

AI Agents & Automation

This guide discusses how to create AI workflows in n8n.

What is the $w Selector

Web development

By now you should be familiar with the Wix Editor and its Code Panel feature which allows you to write and apply code to your website. When you open the Code Panel, you’ll see default boilerplate code in all the files of...

Why Learn Asynchronous JavaScript?

Web development

Before we can get intoasynchronous JavaScript, we need to first talk about whatasynchronouseven means.

Why Object-Oriented Programming?

Web development

So far, you’ve built two kinds of C++ programs:

Wireframe to Wire-fame

Web development

In this project, you will fire upAndroid Studio, create a brand new project, and design the layout needed to make Unquote a reality. You will use Android Studio and the Layout Editor to create a layout that will serve as...

Wix .fetch

Web development

Information is continuously changing - things like hit song charts, the stock market, and the weather are in constant flux. For any information to be relevant, it has to stay up-to-date. Now, imagine if you had a site th...

Wix Built-in Methods and Functions

Web development

In this article, you’ll dive deeper into working with previously encountered Wix elements. Using Wix’s built-in methods, you can write code to change components of a Wix website and create an engaging, interactive websit...

Wix Lightbox

Web development

TheWix lightboxis aweb designelement, sometimes referred to as a “modal pop-up” or “modal window” that responds to user actions. It consists of a window for content like a message, image, or form, and an overlay, which i...

Working in the Code Panel

Web development

Wix is a powerful website builder that gives you all the tools to create your own customized website either from scratch or using a template.

Write a Custom Bedtime Story Using ChatGPT

Developer Tools

Are you ready to embark on a magical journey into the realm of storytelling? Imagine being able to create your very own custom bedtime stories, filled with captivating characters, exciting plots, and heartfelt messages. ...

Writing and Debugging Code in Jupyter

Data visualization

Let’s walk through the process of working with a Jupyter Notebook.

iOS Development Change Log

Mobile development

Great news! We’ve updated the iOS Developer Career path to include more data structures and algorithms content from our newPass the Technical Interviewwith Swift skill path.

Common Applications of Deep Learning

Data visualization

So far, we have gone from single-layerneural networksto multi-layer models with many hidden layers. We have also reviewed how these neural networks can serve as powerful tools for both classification and regression tasks...

Creating User Personas

Web design

User Personas are a written way of approximating your understanding of your diverse users and their goals and motivations for using your product. User personas allow you to summarize what you know about your current user...

Cursor 2.0: New AI Model Explained

AI Agents & Automation

Cursor 2.0 represents a major update to the AI coding platform. The release centers on Composer, Cursor's first proprietary coding model, and a redesigned interface built around agent workflows. You can now run up to eig...

Cursor vs Windsurf AI: Which AI Code Editor Should You Choose?

AI Agents & Automation

Coding is getting easier thanks to artificial intelligence. Two popular AI coding tools are making waves: Cursor and Windsurf AI. Both help you write code faster and with fewer mistakes, but they work differently.

Dangers of the Black Box

Data visualization

When talking about machine learning,deep learning, and artificial intelligence, people tend to focus on the progress and amazing feats we could potentially achieve. While it is true that these disciplines have the potent...

Data Privacy, Ethics, and the Social Impact of Computing Systems

Web design

Think of a set of dominos carefully and elaborately set up in space. All it takes is a single push, intentional or accidental, for a rapid and massive chain reaction to take place. Once the first domino falls, we don’t h...

Data Science Applications

Data visualization

Now that we know a bit abouthow to do data science, what exactly can we do with it?

Deep Learning Workflow

Machine learning

Successfully usingdeep learningrequires more than just knowing how to buildneural networks; we also need to know the steps required to apply them in real-world settings effectively.

Detecting Hallucinations in Generative AI

LLM Workflows

Generative AI is a helpful tool that can be used to assist us in a variety of tasks ranging from creating cooking recipes to debugging code and even creating an amazing Dungeons and Dragons scenario! But we need to be co...

Ethics of Chatbots

Machine learning

Imagine you are shopping online and come across a live chat feature on a website. You decide to begin a chat to get some advice on finding the right product to purchase. The representative on the other end appears to be...

Getting Started with Azure OpenAI Service

Cloud & Full-Stack AI

Azure OpenAI is a feature that provides API access to OpenAI's powerful language models such as GPT-4 and GPT-3.5 Turbo. Users can access the service through REST APIs, the Python SDK, or Azure OpenAI Studio. Businesses ...

Getting Started with Databricks

Cloud & Full-Stack AI

Databricks (full name: Databricks Lakehouse Platform) is a unified platform that integrates with cloud storage and allows building, sharing, and maintaining data, analytics, and AI solutions. It allows working with data ...

How do Vision Transformers Work? Architecture Explained

Generative AI Foundations

The transformer architecture was a breakthrough in natural language processing (NLP). Vision transformers adapt the transformer architecture for computer vision tasks by converting an image into a sequence of patches.

How to Conduct Card Sorting

Web design

A good information architecture is crucial for a product. You want to easily find what you’re looking for and understand how to get there, right? Imagine you’re on a website shopping for a new toaster. There’s a home app...

How to Select a Meaningful Visualization

Data visualization

The three steps in the data visualization process arepreparing,visualizing, andstylingdata. When faced with a blank canvas, the second step of the process, visualizing the data, can be overwhelming. To help, we’ve create...

How to Set Up n8n Google Sheets Integration

AI Agents & Automation

n8n is an open-source workflow automation tool that helps connect various services in a visual, no-code environment. This tutorial focuses on pairing n8n with Google Sheets to help us automate repetitive spreadsheet work...

Identify Phishing Scams Generated from AI

Developer Tools

In the past few years, generative AI has grown from a specialized branch of computer science worked on by relatively few people, to a whole new branch of the computer industry with the potential of disrupting every aspec...

Interpreting Website Analytics

Web design

Understanding how to interpret basic website analytics will help you understand who your users are and what parts of your website are succeeding or failing.

Introduction to ChatGPT 5

Generative AI Foundations

The realm of Artificial Intelligence (AI) has experienced exponential growth and Natural Language Processing (NLP) is standing at the forefront of this revolution. OpenAI, a leading organization in this field, has played...

Introduction to User Centered Design

Web design

What does it mean for design to be user-centered?

LLM Data Security Best Practices

Generative AI Foundations

A Large Language Model (LLM) is an artificial intelligence model designed to comprehend and generate human-like language. LLMs, such as GPT-3 (Generative Pre-trained Transformer 3), are notable examples of this technolog...

LLM Evaluation: Metrics, Benchmarks & Best Practices

LLM Workflows

Large language models (LLMs) have transformed the way we research, write, and code. With their wider adoption, ensuring that the LLM applications are reliable, accurate, and safe to use is also essential. LLM evaluation ...

Long Short Term Memory Networks

Machine learning

Information Persistence andNeural Networks

Netflix Recommendation Engine

Machine learning

You may have heard the term “big data“ thrown around, but do you understand what it is? Big data refers to massive datasets that can be used to reveal patterns and trends. Any large quantity of information, from sports s...

Regression vs. Classification

Machine learning

Machine Learning is a set of many different techniques that are each suited to answering different types of questions.

SWOT Analysis

Web design

User-Centered Design must be done with a knowledge of the business objectives of the product. The goal is not just to understand the users, but to use your knowledge of the users to guide the creation of a product that w...

Setting Parameters in OpenAI

Developer Tools

Welcome to our comprehensive guide on setting parameters in ChatGPT! If you are intrigued by the potential of AI (Artificial Intelligence) and looking to delve deeper into customizing your interactions with ChatGPT, you ...

Supervised vs. Unsupervised Learning: what's the difference?

Machine learning

As humans, we have many different ways we learn things. The way you learned calculus, for example, is probably not the same way you learned to stack blocks. The way you learned the alphabet is probably wildly different f...

The Machine Learning Process

Data visualization

When people think of Machine Learning, they often think of a program that is taking in data and spitting out predictions and insights. The process of performing Machine Learning often requires many more steps before and...

The Machine Learning Process: Identifying Storylines in Survivor

Machine learning

For the past few months, the Curriculum team at Codecademy has been hard at work creating Machine Learning courses. While we all loved writing courses, we also wanted to see what we could do with real-world data. As a re...

Top AI Agent Frameworks in 2025

AI Agents & Automation

Artificial intelligence (AI) is moving beyond single-task models into systems that can plan, reason, and act on our behalf. These systems, called AI agents, rely on specialized frameworks that handle memory, orchestratio...

Training Set vs Validation Set vs Test Set

Machine learning

Inmachine learning, data is everything. However, just having data isn’t enough — how we divide it can make or break our model’s performance. This is where the concepts of training set, validation set, and test set come i...

Translate Code into Different Languages with ChatGPT

Developer Tools

Translating code from one programming language to a different one is a necessary task. This can be because you stumble upon code in a different programming language or need to translate a codebase from one language to an...

Travel Made Easy: Planning a Trip with ChatGPT

Generative AI Foundations

Planning a trip can often be a challenging process filled with uncertainty and countless hours of research. Deciding where to go, what to see, when to travel, and making necessary preparations can seem like daunting task...

Understanding Neural Networks and Their Components

Generative AI Foundations

In the age of deep learning and generative AI, neural network models are at the forefront of innovation. We use neural networks to build deep learning applications for tasks like image recognition, text classification, a...

Understanding Overfitting in Machine Learning

Machine learning

Often in Machine Learning, we feed a huge amount of data to an algorithm that then learns how to classify that input based on rules it creates. The data we feed into this algorithm, thetraining data, is hugely important....

Understanding User Research

Web design

User research is ideally conducted by teams of people, with input from multiple departments (ie. product design, customer service, engineering), as well as experts in conducting both qualitative and quantitative research...

Vercel vs Netlify: Which One Should You Choose?

Cloud & Full-Stack AI

In today's fast-paced web development environment, choosing the right deployment platform can significantly impact your workflow, scalability, and overall developer experience. Two of the most popular options available a...

What Is Deep Learning?

Data visualization

Have you ever wondered what powers ChatGPT? What technology developers are using to create self-driving cars? How your phone can recognize faces? Why it seems like your photos app is better at recognizing your friends’ f...

What are Chatbots

Machine learning

From the customer support dialog boxes you find on e-commerce websites to virtual assistants like Siri and Alexa, it’s likely that you’ve encountered chatbots frequently in your everyday life. Like its name suggests, a c...

What are Neural Networks?

Machine learning

As you are reading this article, the very same brain that sometimes forgets why you walked into a room is magically translating these pixels into letters, words, and sentences — a feat that puts the world’s fastest super...

What is GitHub Copilot?

Developer Tools

GitHub Copilot is not your ordinary code autocomplete tool. It is a revolutionary coding assistant powered by artificial intelligence (AI) that can transform the way we write code. In this section, we'll delve into the c...

What is Reinforcement Learning? With Examples

AI Agents & Automation

Reinforcement learning (RL) is a machine learning approach where an AI agent learns to make optimal decisions through trial and error, receiving rewards for good actions and penalties for bad ones. Imagine teaching a dog...

What is UI/UX Design?

Web design

While “design” is often equated with graphic design or visual design,designis a vast discipline with many subdisciplines – everything from industrial design to service design falls under the umbrella of design. Merriam-W...

What is a Multi-Agent System (MAS) in AI?

AI Agents & Automation

Modern AI faces complex problems such as coordinating global supply chains, balancing energy across smart grids, etc., that a single system can't handle. The reason being one agent can't process and act on all that infor...

What is a User Story?

Web design

User stories are a way of concisely defining the common interactions and needs that your users will have with your product. User stories are helpful for many reasons, from making sure that your design process is centered...

Wireframing The Unquote Game

Web design

Along this Android and Java journey, you will build a game. Each project will bring you one step closer to completing a working trivia game we’re calling,Unquote.

Write a Cover Letter with ChatGPT

Developer Tools

Welcome to this guide on creating a standout cover letter with the help of ChatGPT, tailored for job seekers looking to make a strong impression in the competitive job market. In the age of digital applications, a well-c...