freeCodeCamp

A few months ago, I was reviewing a pull request that added three new API endpoints. The diff was clean. Tests passed. The agent that generated it had even written sensible authorisation checks. By ev... read more

Most frontend engineers don't choose microservices. They inherit them. One day you're fetching data from a single API, and the next you're stitching together responses from five services, each with it... read more

PDF files are everywhere. From invoices and reports to résumés and documents, they’re one of the most common file formats we deal with. But there’s a common problem: PDFs can get large quickly. If you... read more

Today Quincy Larson interviews Rachel An Fernandez. She's a computer science student at Stanford and the youngest instructor at the entire university. She recently helped organize TreeHacks, Stanford'... read more

Every product experimentation team running causal inference on LLM-based features eventually hits the same wall: when users click "Try our AI assistant," the volunteers aren't a random sample. Your pr... read more

Building a single AI agent that answers questions or runs searches is a solved problem. A handful of tutorials and a few hours of work will get you there. What most tutorials skip is the engineering l... read more

You've completed three AWS courses. You have notes from a dozen Docker tutorials. You know what Kubernetes is, what CI/CD means, and you can explain Infrastructure as Code without hesitating. And yet... read more

In today's digital world, spam is no longer just an annoyance - it's a growing security threat. To combat this, developers often turn to machine learning to build intelligent filters that can distingu... read more

Imagine that you want to share your source code with someone who doesn’t have Go installed on their computer. Unfortunately, this person won’t be able to run your application. Even if they do have Go... read more

Ready to dive into IT but don’t know where to start? freeCodeCamp just dropped the Ultimate IT Fundamentals Bootcamp For Absolute Beginners course. This is a a brand new, full-length course created by... read more