How to Implement Dependency Injection in FastAPI
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...
Nneoma Uche - freecodecamp
Development
What is TOON? How Token-Oriented Object Notation Could Change How AI Sees Data
JSON, or JavaScript Object Notation, was popularized by Douglas Crockford in early 2000. Since then, there’s been no looking back. JSON has become the...
Tapas Adhikary - freecodecamp
Design
System Design Patterns in Android Bluetooth [Full Handbook]
If you’ve ever opened the Android Bluetooth source code, you might know this feeling. You go in with the calm confidence of a developer who just wants to...
Nikheel Vishwas Savant - freecodecamp
Other
How to Get Started with PocketBase: Build a Lightweight Backend in Minutes
If you’re a developer looking for a simple, fast, and self-hosted backend, PocketBase might be exactly what you need. It’s an open-source backend written in...
Manish Shivanandhan - freecodecamp
Harvard CS50 prof David J. Malan on why you should learn programming slowly [Podcast #197]
Dr. David J. Malan teaches computer science at Harvard. Over the past decade, millions of people have taken his CS50 course both in person and online. He...
Beau Carnes - freecodecamp
From Pixels to Predictions: How GPUs Started Powering Modern AI
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...
Manish Shivanandhan - freecodecamp
How Bluetooth Socket Settings Power Android’s Low Power Island: A Friendly Deep Dive into AOSP’s Hidden Energy Saver
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....
Nikheel Vishwas Savant - freecodecamp
The Secret Life of Your CPU: Exploring the Low Power Island in Android Bluetooth
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...
Nikheel Vishwas Savant - freecodecamp
How to Keep LLM Outputs Predictable Using Pydantic Validation
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...
Manish Shivanandhan - freecodecamp
How to Solve 5 Common RAG Failures with Knowledge Graphs
You may have built a Retrieval-Augmented Generation (RAG) pipeline to connect a vector store to a powerful LLM. And RAG pipelines are incredibly effective at...
Kamal Kishore - freecodecamp
CSS Gamepad API Visual Debugging With CSS Layers
Debugging controllers can be a real pain. Here’s a deep dive into how CSS helps clean it up and how to build a reusable visual debugger for your own projects.
Godstime Aburu - smashingmagazine
Older Tech In The Browser Stack
There are many existing web features and technologies in the wild that you may never touch directly in your day-to-day work. Perhaps you’re fairly new to web development and are...
Bryan Rasmussen - smashingmagazine