freeCodeCamp

What is Disaster Recovery Testing? Explained with Practical Examples

Alex Tray |
Most teams are confident they can recover from a major outages until they actually have to. Backups exist, architectures are redundant and a recovery plan is documented somewhere, yet real incidents o... read more

Storyteller: A Medium For Guiding Others Through Code

Mark Mahoney |
As a computer science instructor, I have long wished that there was a better way to guide others through my code. When I was first learning to program, I was a big fan of traditional programming books... read more

How to Prevent IDOR Vulnerabilities in Next.js API Routes

Ayodele Aransiola |
Imagine this situation: A user logs in successfully to your application, but upon loading their dashboard, they see someone else’s data. Why does this happen? The authentication worked, the session is... read more

The ultimate dev skill is Integration Testing – Podcast interview with Internet of Bugs [Podcast #209]

Beau Carnes |
Today Quincy Larson interviews Carl Brown, who runs the Internet of Bugs YouTube channel and has worked as a dev at Amazon, IBM, Sun Microsystems, and startups for over 37 years. We talk about: The h... read more

Learn Python and Build Autonomous Agents

Beau Carnes |
The future of software is code that reasons. We just posted a new course on the freeCodeCamp.org YouTube channel designed to take you from Python fundamentals to AI Agent development. This course is a... read more

Master Kubernetes Through Production-Ready Practice

Beau Carnes |
Stop memorizing isolated commands and start building like a platform engineer. We just posted comprehensive Kubernetes course on the freeCodeCamp.org YouTube channel. This hands-on course is designed... read more

The Ultimate Web Developer Job Search Handbook

Ilyas Seisov |
Getting a web developer job today is hard. In 2021, I got my first developer job by sending one direct email and then doing a single live call. That was enough. Later the same year, I found my second... read more

How to Create REST API Documentation in Node.js Using Scalar

Orim Dominic Adah |
A REST API documentation is a guide that explains how clients can make use of the REST APIs in an application. It details the available endpoints, how to send requests and what responses to expect. It... read more

The AI Coding Loop: How to Guide AI With Rules and Tests

Sumit Saha |
Building great software isn't about perfect prompts, it's about a disciplined process. In this guide, I'll share my workflow for shipping secure code: defining clear goals, mapping edge cases, and bui... read more

Learn Notion in 12 Hours

Beau Carnes |
Stop treating Notion like a digital notebook and start using it as a high-level operating system. We just posted a massive Notion course on the freeCodeCamp.org YouTube channel. This course takes you... read more