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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.

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.

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 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...

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...

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,...

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 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.

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...

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...

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...

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 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 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 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 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 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 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...

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...

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...

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...

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.

Push to GitHub

Web development

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

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...

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.

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...

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...

Toolbars and Sheets

Mobile development

In this article, you will learn:

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.

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 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...

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...

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.

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...

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...

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.