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A new type of app is emerging with the development of LLMs and AI-native apps. It lives inside an AI chat (like ChatGPT) rather than being a fully native web or mobile app. In this tutorial, you'll le ...

The first time I built an API without thinking about roles, I gave every logged-in user the same access. It worked fine until a regular user accidentally hit a delete endpoint and wiped test data. Tha ...

Healthcare data is among the most sensitive data there is. Sending it to a cloud AI service is often not an option because of privacy requirements, regulatory compliance, or both. In this tutorial, yo ...

For years, the promise of AI-assisted development felt just out of reach for WordPress developers. You could ask a chatbot to generate a block of PHP, paste it into your editor, run into a conflict, c ...

When Chain-of-Thought Prompting was introduced, it showed that large language models could solve many difficult reasoning problems simply by thinking step by step before producing an answer. It was a ...

In this tutorial, I'll show you how to build an MCP server with FastMCP, connect your local AI agent to use tools from the local MCP server that you built, and add support for remote MCP servers. We'l ...

Flutter makes it fast to build beautiful UIs. That speed is one of the framework's greatest strengths, but it also creates a subtle problem: performance issues are easy to introduce and difficult to f ...

We've just released a new full-length tutorial on the freeCodeCamp.org YouTube channel that will teach you how to use TypeScript with React. If you've been building React apps but feeling like you're ...

We've been experimenting with a new style of content on the freeCodeCamp YouTube channel: the video essay. These projects allow us to step back from the code tutorials to explore the massive, complex ...

Your network policy says: allow traffic from 10.0.1.45. Yesterday, 10.0.1.45 was your payment service. Today, after a rolling deployment, it's your logging agent. Your payment service is now at 10.0.1 ...