How Instagram Stores Reels, Photos, and Drafts Behind the ScenesYou open Instagram, spend 20 minutes recording a Reel, add music, overlay some text, and then hit Save Draft. You close the app, clear it from your phone’s memory, restart your device later, and open May 30 · 7 min readreactnativebeginer.hashnode.dev
How WhatsApp Works Without Internet?You open WhatsApp, turn on aeroplane mode, send a message… and it still appears instantly in the chat. How? Messaging apps feel “real-time,” but great ones are also offline-first. They’re designed so May 28 · 4 min readreactnativebeginer.hashnode.dev
How Netflix Would Be Built Today Using Expo RouterBuilding a “Netflix-like” app today isn’t primarily a UI challenge—it’s an architecture challenge. On day 1, a simple React Native app can be: components/ screens/ utils/ But at Netflix scale (or InstMay 22 · 2 min readreactnativebeginer.hashnode.dev
Expo Router vs. React NavigationIf you’ve spent any time building mobile apps with React Native, you know that handling navigation is one of the most critical decisions you'll make. Unlike web browsers, which have a built-in URL hisMay 22 · 6 min readreactnativebeginer.hashnode.dev
What is Middleware in Express and How It WorksMiddleware is one of the most important ideas in Express.js. It’s the reason Express apps are flexible: you can plug in logic for logging, authentication, validation, and error handling without rewritMay 10 · 4 min readnodeforbeginners.hashnode.dev
