How to Build an AI Agent Harness from Scratch in TypeScript
Many AI agent tutorials start with a language model, give it a few tools, and run a loop until it produces an answer. That's enough to demonstrate tool...
Gabor Koos - freecodecamp
Development
UI
How to Build a Website User Interface Faster Using AI Prompts
A website user interface (UI) used to take hours of writing HTML, CSS, and component code by hand. Now you can describe a page in plain words and let an AI...
Vaibhav Gupta - freecodecamp
Embracing Playful Imperfection With The CSS `random()` Function
Design systems thrive on consistency, so where does randomness fit in? Through playful demos of organic typography, bouncing letters, and splayed cards, Brecht De Ruyte shows how...
Brecht De Ruyte - smashingmagazine
Other
How Neural Networks Work: Why Straight Lines Aren't Enough
A straight line equation is a good place to start understanding how a neural network works. It's what we explored in my previous article, How Neural Networks...
Samyukta Hegde - freecodecamp
How Wearables Can Adapt When Pregnancy Changes a User's Regular Baseline
Your smart ring or watch has many useful jobs, including learning your usual physiological patterns and showing you when they change. Resting heart rate,...
Shradha Puri - freecodecamp
How to Make Your Coding Agent Check Its Work in the Browser
I got tired of coding agents telling me the frontend work was done when nobody had opened the frontend. You've probably seen the routine. The agent changes...
timothy ogbemudia - freecodecamp
How to Build and Publish a Native Android App in 2026: From Jetpack Compose to the Google Play Store
Most Android tutorials stop at "it runs on the emulator." But getting an app from a blank project to a listing that real people can install from Google Play...
Nikheel Vishwas Savant - freecodecamp
How to Detect Operational Drift Before It Becomes an Incident
In my previous article, I explored operational conformance: how to evaluate whether observed evidence satisfies an operational specification. That gives us a...
Hugo Teijiz - freecodecamp