Several languages and frameworks depend on dependency injection—no pun intended. Go, Angular, NestJS, and Python’s FastAPI all use it as a core pattern. If you’ve been working with FastAPI, you’ve likely encountered dependencies in action. Perhaps you saw Depends() in a tutorial or the docs and were confused for a minute. I certainly was. That […]
Monthly Archives: November 2025
When people think of artificial intelligence, they imagine complex models, data centers, and cloud servers. What most don’t realize is that the real engine behind this AI revolution started in a place few expected: inside the humble gaming PC. The same graphics cards once built to render smooth 3D visuals are now powering chatbots, image […]
Picture this: you’re sitting in a café with your laptop open, phone on the table, smartwatch buzzing every few minutes, and Bluetooth earbuds playing music. From your perspective, life is peaceful. From your phone’s perspective, it’s juggling a ridiculous number of tiny Bluetooth packets all the time. Every time your watch syncs your steps, every […]
If your phone were a person, it would probably be that overachieving friend who cannot sit still. The kind who insists they are relaxing while secretly running errands, replying to messages, and checking the weather at the same time. Inside your Android device, something very similar is happening every moment. One second the processor is […]
Large language models are powerful, but they can also be unpredictable. They might generate long explanations when you expect a short summary, skip fields in a JSON output, or change the format completely from one request to another. When you’re building an AI application that depends on structured responses, these small errors can cause big […]
Abbey Perini taught herself programming at age 27 while working as an admin at an engineering recruitment agency. She has worked extensively with large legacy codebases and taught best practices to developers internationally. We talk about: How to hit the ground running with a large legacy codebase How to get employers to remember you and […]
As a developer who aspires to be a founder, building your first startup can be filled with excitement and ideas. The worst thing that could happen to you is jumping straight into the coding part. I was in this situation and the last thing on my mind was writing a README file. I thought, “I’ll […]
Learn to play the guitar! We just posted a course on the freeCodeCamp.org YouTube channel that will teach you essential guitar theory including the fretboard, the major scale and the triads. It was created by baritone guitarist, Alex Gordon Hi-Fi. Here are the sections in this course: Introduction The Crux of Self-Contained Guitar This Notion […]
Have you ever wondered why some websites load almost immediately and others leave you looking at a blank screen, even when your internet connection is fast? In some cases, your internet speed may not be the issue. It is usually because of Round Trip Time (RTT), which is how long it takes your browser to […]
We just posted a course on the freeCodeCamp.org YouTube channel that will teach you all about cryptography. You’ll learn essential techniques like hashing (SHA-256) for verifying file integrity, symmetric encryption (AES), and asymmetric encryption (RSA) using public and private keys. The practical focus of the tutorial involves building a fully functional command-line cryptography tool in […]