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Recently, I wanted to understand how smart home devices actually work. When you scan a QR code and a light appears in your Home app, what's really happening? When you tap "on", what bytes travel across your network?
The best way I know to understand something is to build it, so I created a virtual HomeKit light in Go. And in this tutorial, I’ll walk you through...
Back in 2023, when I started using ChatGPT, it was just another chatbot that I could ask complex questions to and it would identify errors in my code snippets. Everything was fine. The application had no memory of previous states or what was said the day before.
Then in 2024, everything started to change. We went from a stateless chatbot to an AI agent that could call ...
Databases are one of the most important parts of a software system. They allow us to store huge amounts of data in an organized way and retrieve it efficiently when we need it.
In the early days, when the volume of data was relatively small, engineers prioritized fast data retrieval and stored data in href="https://en.wikipedia.org/wiki/B-tree" target="_blank" rel="...
Learn how to build a complete 2D Pixel Art Tower Defense game in Unity from scratch!
We just posted a step-by-step tutorial on the freeCodeCamp.org YouTube channel that will guide you from a blank project to a fully playable game with a main menu, multiple tower types, enemy waves, and three unique levels. Frank from Frank’s Laboratory developed this course.
You...
The freeCodeCamp community just published the first three chapters of our new A1 Professional Spanish Curriculum. Each chapter includes hundreds of interactive tasks designed to help you take your first steps in learning Spanish with confidence.
