How to Build a Browser-Based PDF Resizer Using JavaScript
PDF documents come in many different page sizes. Some are designed for A4 paper, while others use Letter, Legal, Tabloid, or custom dimensions. This can...
Bhavin Sheth - freecodecamp
Development
Mobile
How to Use Claude Code to Build Flutter Apps Faster — Best Practices for 2026
In early 2023, I was interning at a US-based company, long before agentic AI became part of everyday development. We had tools like ChatGPT, Gemini, and...
Jesutoni Aderibigbe - freecodecamp
Other
Why Different Wearables Report Different Heart Rates
My partner and I have this thing where we check at what time our heart rates drop to their lowest during sleep, even though we sleep almost at the same time...
Shradha Puri - freecodecamp
How to Write Your First Quantum Circuit in Python: A Beginner's Step-by-Step Guide
Imagine opening your laptop and writing code that follows the laws of Quantum Physics. Sounds like science fiction, right? That's exactly what I thought the...
Casmir Onyekani - freecodecamp
How to Build an AI Agent That Runs its Own LLM Experiments with autoresearch
A few months ago, Andrej Karpathy released autoresearch. It's an open-source Python tool that lets an AI agent run experiments on one GPU while you sit back...
ishaan gupta - freecodecamp
How a Bloom Filter Works: Build One From Scratch in Python
A Bloom filter gives you something that feels like magic: it can tell you whether an item is in a set of billions, using only a few kilobytes of memory. And...
Prasanth Madhurapantula - freecodecamp
How to Build a Personal AI Web Research Agent with Ollama and Qwen
In this tutorial, I’ll show you how to build an AI web research agent using Ollama, Qwen, and Python. The agent searches the web for a topic, fetches relevant...
Darsh Shah - freecodecamp
Snapshots Of Summer (July 2026 Wallpapers Edition)
July is just around the corner, and that means... It’s time for some new desktop wallpapers! As every month, the wallpapers in this collection were created by the community for the...
Cosima Mielke - smashingmagazine