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Development

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

The Saga Pattern in Node.js: How to Roll Back Distributed Transactions Across Microservices

Building reliable workflows across multiple microservices is challenging. In a monolith, a database transaction can ensure that multiple operations either...

Md Tarikul Islam - freecodecamp

How to Build a Browser-Based PDF Crop Tool Using JavaScript

PDF files often contain unwanted margins, blank spaces, scanner borders, page headers, page footers, or unnecessary content around the main document area....

Bhavin Sheth - freecodecamp

How to Build a Case Converter Tool Using HTML, CSS, and JavaScript

If you're looking to level up your front-end development skills by building a practical web utility, this is the guide for you. We'll code a fully functional...

Bansidhar Kadiya - freecodecamp

Mobile

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-MšŸ€ - freecodecamp

From Flutter to Backend: How to Build Production-Grade REST APIs with Dart and Dart Frog

Dart backend frameworks exist on a spectrum. At the minimal end sits Shelf, with raw primitives and full control. You wire everything yourself. At the maximal...

Oluwaseyi Fatunmole - freecodecamp

Other

Mastra vs LangChain: Building an AI Agent Pipeline and Analyzing the Data

A week ago, I saw this tweet: I had just shipped SupportMesh, a multi-tenant AI support platform built on Mastra, so I had opinions from production. I liked...

Shola Jegede - freecodecamp

How Large-Scale Platforms Handle Millions of Daily Transactions

Every day, millions of people order food, stream videos, send messages, book rides, make payments, and shop online. Most of these actions take only a few...

Manish Shivanandhan - freecodecamp

Geopolitical Risk Isn't One Thing. I Built a Python Framework to ProveĀ It

On April 3, 2025, the US announced sweeping tariffs on Chinese imports. SPY dropped 4.8% that day. The next day, it dropped another 6%. Financial news ran the...

Nikhil Adithyan - freecodecamp

How to Scale Laravel Applications for High-Traffic Production Systems

Your first scaling problem rarely arrives with a bang. For a while, everything is fine: pages load fast, the database barely breaks a sweat, and the team...

Olamilekan Lamidi - freecodecamp

The Impact Of Humanoid Robots On Humanity

We have officially moved past the era of humanoid robots as mere public relations stunts. As they become increasingly lifelike, society may soon face profound social,...

Carrie Webster - smashingmagazine