How to Build a Browser-Based PDF Rotator Using JavaScript
Sometimes PDF pages appear upside down, sideways, or in the wrong orientation after scanning or exporting documents. Instead of re-creating the document...
Bhavin Sheth - freecodecamp
Development
UX
How CAPTCHAs Affect Accessibility: Problems, Workarounds, and Alternatives
CAPTCHAs – or the “I am not a robot” challenges – were originally designed to separate humans from bots. It started with deciphering some distorted text, then...
Ilknur Eren - freecodecamp
Security
Top 5 Proxy Providers for Developers
Developers today build software in a world where the internet is fragmented. Websites change content based on geography. APIs introduce rate limits. Security...
Manish Shivanandhan - freecodecamp
Other
Advanced Error Handling in Dart: Records, Result Types, Monads, and Freezed Exceptions
Every Dart developer has written this at some point: try { final user = await repository.getUser(id); // do something with user } catch (e) { // what is...
Oluwaseyi Fatunmole - freecodecamp
AI Paper Review: GPT-4 Technical Report (GPT-4)
When GPT-3 was released in 2020, it completely changed how people thought about language models. It showed that a sufficiently large neural network could...
Mohammed Fahd Abrah - freecodecamp
How to Use Bash & Python for Real DevOps Automation – Full Handbook with 5 Production Use Cases
Automation scripts often validate process completion instead of system health. A Kubernetes pod can be running while the application inside it can't...
Osomudeya Zudonu - freecodecamp
How to Build AI Apps in the Browser with TensorFlow.js and WebGPU
Most developers think of AI the same way: you send data to a server, the server thinks, you get a response back. That mental model made sense for a long time....
Ayantunji Timilehin - freecodecamp
How to Connect Your AI Coding Agent to a Browser on macOS
AI coding agents like Claude Code, Cursor, and the rest have gotten remarkably good at reading and writing code. But the moment they need to look at something...
אחיה כהן - freecodecamp
Your Prototype Is Not Being Honest With Your Users (And Here’s How To Fix It)
There’s a moment in almost every usability session where a participant pauses at the login screen, types something, and glances up: checking whether they’re “doing it right.” That...
Eric Joseph L. - smashingmagazine