There's a lot to think about when you're writing code - and it can be overwhelming if you're a beginner. To help you out so you don't forget about performance, @rahul_wip wrote this detailed guide. He discusses common mistakes you might be making that lead to slow code - and

Microservices make apps more scalable & maintainable by breaking them into smaller parts. In this hands-on course, you'll learn to build your own microservices with Nest.js. You’ll build a delivery app with MongoDB, Docker, and inter-service communication & learn about schema

Variational Autoencoders are a key part of modern image generation techniques. They're super useful for image synthesis, data augmentation, and anomaly detection. In this course, you'll build a Stable Diffusion VAE from scratch using Pytorch.

Google's Gemini API helps you integrate advanced AI functionalities into your apps. And in this article, you'll learn how to use it to build a video subtitle generator. You'll use React for the front end and Express for the back end.

Scanning your apps for vulnerabilities is a good practice to keep them safe and secure. And here, Chaitanya teaches you how to build your own scanner with Python that can detect XSS, SQL injection, and more.

Many apps rely on emails to communicate with their users. In this guide, David teaches you how to build your own email templates with React Email and then send them with Resend.

Math can help simplify your code. And in this course, you’ll learn how to structure your code for readability and maintainability – all underpinned by math concepts. You'll build a musical polyrhythm app that procedurally generates sounds & visualizes them using JavaScript.

Elasticsearch is a popular tool that many sites use to power their search bars. This course teaches you how to build your own search engine and use it in your apps. You'll learn about index management, document storage, semantic search, embeddings, and lots more.

Django is a powerful Python web framework that's built on the Model-View-Template architectural pattern. This in-depth guide teaches you how these three components interact so you can leverage Django's full capabilities.

When you're building projects in Python, sometimes you may want to add the ability to send emails. And in this tutorial, Alex shows you two ways to do this. He walks you through setting up Mailtrap SMTP and the Email API so you can send emails with Python.

As a developer, you'll need to know how to fetch data from APIs. And in this tutorial, you'll learn how to fetch that data and store and display it in a React app. First you'll get data using the built-in fetch method, then you'll refactor using the popular Axios library.

JavaScript is asynchronous - it can handle multiple operations at the same time without blocking the main thread. And there are two main approaches to working with async operations in JS: promises, and async/await. In this tutorial, Henry explains how each way works and when to

If you want to add some fun animations to your web pages, the View Transition API is a solid choice. And in this tutorial, @sumit_analyzen shows you how to use it. You'll learn how to set up cross-document transitions, animate individual elements, and more in React & Next.js.

Coolify is an open source tool that lets you deploy & manage apps, databases, and services on your own infra. And in this guide, @Fahim_FBA walks you through setting it up in AWS EC2. You'll learn how to self-host Coolify, use its features, and deploy any website directly into

Penpot is an open source design tool you can use to create entire design systems. And if you have components already in Figma, @XquisiteDreamer shows you how to recreate them in Penpot. She walks you through the user interface and layouts, shows you how to create and use

RT @ossia: Rust VS Go VS TypeScript – which back end language is for you?. I had a blast interviewing @warptux on this week's freeCodeCamp….

C++ is a powerful, high-performance programming language devs use for things like systems and game development. And in this in-depth tutorial, Mark teaches you the basics through a series of interactive exercises. You'll learn about variables, loops, arrays, functions,

If you want to get into the field of cloud security, you should consider earning the Google Cloud Cybersecurity cert. And this course will help you study and prepare for the exam. You'll learn about common risks, how to manage them, how to detect and respond to attacks, and

If you're a JavaScript dev interested in game development, there are some powerful tools out there to explore. And in this guide, Manish introduces you to some of the top frameworks you might wanna learn. He covers key features and use cases for Phaser, Pixi.js, Three.js,

Accessibility isn't just a nice-to-have these days - it's a necessary part of web design and development. And Google has its Accessibility Scanner tool that you can use to check your app. In this guide, Ilknur walks you through the scanner's features and how to use them to help