My Team's Experience Moving from AWS to a PaaS
Most product teams assume infrastructure ownership is simply part of building software. We did too. It wasn’t until we measured how much engineering time was...
Manish Shivanandhan - freecodecamp
Development
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
UI
Why Accessibility Is An Operational Capability, Not A Feature
Teams can generate UI faster than ever, but they still have to guarantee that what they ship is usable, secure, and maintainable. Accessibility as an operational capability rather...
Mikhail Prosmitskiy - smashingmagazine
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
How to Use the Screen Reader That's Built into Your iPhone
Every iPhone and iPad includes a built-in screen reader called VoiceOver. VoiceOver speaks aloud the text on the screen, app names, icons, buttons, menus,...
Ilknur Eren - freecodecamp
Command Line Basics for Beginners
If you’ve ever watched a developer or DevOps engineer rapidly typing away into a blank, dark window filled with text, it might have looked like pure wizardry....
Beau Carnes - freecodecamp
Product Experimentation for LLM Platforms: Switchback Designs When User Randomization Breaks Market Equilibrium in Python
Your team ships an intelligent query-routing feature for an LLM SaaS platform. The feature reads each incoming request in real time and decides whether to...
Rudrendu Paul - freecodecamp
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
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