freeCodeCamp

How to Override API Responses and Headers in Chrome DevTools: A Step-by-Step Guide

Tapas Adhikary |
Have you ever faced a situation as a frontend developer where you needed to show a demo to your product manager, and something was broken in the API response? Or, a production bug where you were block... read more

How to Build a Voice-Powered AI Application with the Web Speech API

Orim Dominic Adah |
The Web Speech API is a web browser API that enables web applications to use sound as data in their operations. With the API, web apps can transcribe the speech in sound input and also synthesise spee... read more

The AI in Healthcare Handbook: Intelligent Care from Lab to Clinic

Tatev Aslanyan |
The healthcare industry is undergoing a profound transformation powered by artificial intelligence (AI) and data science. No longer limited to administrative automation or basic chat tools, AI now pla... read more

AI Literacy for Everybody

Beau Carnes |
AI literacy isn’t just for developers anymore. It’s a fundamental skill for navigating the modern world. We just posted a course on the freeCodeCamp YouTube channel that will help anyone learn how the... read more

Claude Code Essentials

Beau Carnes |
Cluade Code can supercharge your software development. We just posted a full course on the freeCodeCamp.org YouTube channel that will teach you how to use Claude Code to build real-world agentic codin... read more

How to Sync AWS Secrets Manager Secrets into Kubernetes with the External Secrets Operator

Osomudeya Zudonu |
If someone asked you how secrets flow from AWS Secrets Manager into a running pod, could you explain it confidently? Storing them is straightforward. But handling rotation, stale env vars, and the gap... read more

How Passing by Object Reference Works in Python

Mokshita V P |
If you've ever modified a variable inside a Python function and been surprised or confused by what happened to it outside the function, you're not alone. This tripped me up for a long time. Coming fro... read more

Learn SQL – Course for Beginners in Spanish

Estefania Cassingena Navone |
SQL (Structured Query Language) is the standard language for managing and manipulating data in relational databases. It's an essential tool that allows you to communicate with the databases that power... read more

How to Work With Dapper in .Net

Grant Riordan |
When you're working with .NET, interacting with databases (particularly SQL databases) is inevitable. Common approaches involve using ORM (Object Relational Mapping) with tools like Entity Framework.... read more

An Introduction to Database System Design

Olasunkanmi Emmanuel Jesuferanmi |
These days, businesses and startups rely on well-designed databases to manage vast amounts of data. In domains like Healthcare, E-commerce, and Fintech/Banking, a solid database design ensures data in... read more