freeCodeCamp

Before I started to contribute to eslint-plugin-react, I didn’t think too deeply about the linters I used every day while writing code. Like many developers, I installed them at the start of a project, appreciated the red underlines or auto-fixes, an...... read more

If you're building conversational AI and tired of messy logic or hard-to-scale workflows, LangGraph makes it easier. It uses graphs to manage dialogue flow, so your bots stay organized even as they get more complex. Great for anything from support ag...... read more

Passwords are the keys to your digital life  –  email, bank accounts, social media, and even your workplace systems. Unfortunately, they’re also one of the weakest links in cybersecurity. Every year, billions of credentials are stolen and sold on th...... read more

If you have experience in traditional software development, low-code tools may feel a bit sparse at first. But to many people’s surprise, traditional techniques often translate quite well to low-code development. Not always one-for-one – but usually ...... read more

Math equations are a critical part of academic papers, research reports, and technical documentation. While LaTeX is widely used for professional typesetting, Google Docs offers a robust set of features for inserting and formatting math equations and...... read more

On this week's episode of the podcast, freeCodeCamp founder Quincy Larson interviews software engineer and live coding streamer Code;Life. For those of you watching the video version of this interview, she lives in Iraq and she uses a 3D avatar to ...... read more

Learning a new language can open doors to new cultures, connections, and opportunities, and Spanish is one of the most widely spoken languages in the world. Whether you're dreaming of traveling to Spanish-speaking countries, connecting with Spanish-s...... read more

The Domain Name System (DNS) translates domain names (like example.com) into IP addresses (like 192.0.2.1) so we can easily access websites. In this guide, you’ll learn how DNS resolution starts, its step-by-step process, how caching works, and the r...... read more

You’ve probably heard someone mention load balancing when talking about cloud apps. Maybe even names like Azure Load Balancer, Azure Application Gateway, or something about Virtual Machines and Scale Sets. 😵‍💫 It all sounds important...but also a l...... read more

Apps don’t stay simple forever. More features mean more dependencies, slower builds, and heavier Docker images. That’s where things start to hurt. Docker helps, but without the right setup, your builds can quickly get bloated. Multi-stage builds make...... read more