How to Avoid Overusing useCallback and useMemo in React
If you've spent enough time in the React ecosystem, you'll have likely seen codebases where nearly every function is wrapped with useCallback and the computed...
Olaleye Blessing - freecodecamp
Development
The 2026 FinOps Roadmap: From Cost-Blind Engineer to Cloud Financial Manager
My first AWS bill was $23,000. I had been working at the company for three weeks. Nobody told me. The bill just grew quietly in the background while I was...
Ayobami Adejumo - freecodecamp
Building a Website in 2026: What Matters More Than Your Tech Stack
For years, developers have debated which technology stack was best for building websites. Some preferred React. Others chose Vue, Angular, Svelte, or...
Manish Shivanandhan - freecodecamp
UX
Designing With Uncertainty: How AI Supercharges Probabilistic Thinking
In a world where AI is informing more design choices, it’s easy to mistake predictions for certainties. This article introduces Probabilistic Design, a mindset that allows UX and...
Pratik Joglekar - smashingmagazine
Mobile
How to Use DartExceptor: A Lighter Way to Handle Errors in Dart 3
If you've worked with Flutter for any meaningful length of time, you've likely written this: try { final user = await repo.getUser(); print(user.name); }...
Oluwaseyi Fatunmole - freecodecamp
How to Run Private Text-to-Speech on Your Own Hardware Using QVAC
When I was putting the final touches on QuizRope, an educational mobile app I built that uses LLMs for real-time tutoring and homework assistance, I knew the...
Djibril-M🍀 - freecodecamp
Other
How to Build a Production Architecture for Small Language Model Fleets
Lately, there's been more focus on creating specialized Small Language Models (SLMs) for high-throughput, real-time applications. But we seem to be at an...
Tejas Ashok - freecodecamp
How to Schedule Jobs in PostgreSQL with pg_cron
Every backend system eventually needs something to run on a schedule. Old sessions need deleting, summary tables need rebuilding, materialized views need...
iyiola - freecodecamp
How to Build a Production-Safe Agent Loop: From Exit Conditions to Audit Trails
In July 2025, a Claude Code recursion loop burned between 16,000 USD and 50,000 USD in five hours. There was no crash or error, just agents doing exactly what...
Daniel Nwaneri - freecodecamp
AI Paper Review: Chain-of-Thought Prompting Elicits Reasoning in Large Language Models
For the last few years, Large Language Models have been impressing researchers with their ability to generate text, answer questions, translate languages, and...
Mohammed Fahd Abrah - freecodecamp
Build a Self-Healing CI/CD Pipeline with AI
Learn how how to build a fully autonomous, self-healing CI/CD pipeline from scratch with a new course we just posted on the freeCodeCamp.org YouTube channel....
Beau Carnes - freecodecamp