AIAminul Islaminamie-dev.hashnode.dev·May 30 · 8 min read📸 How Instagram Stores Reels, Photos, and Drafts Behind the ScenesUnderstanding Media Storage, Drafts, Uploads, Caching, and Content Delivery 📖 Introduction Imagine you're creating an Instagram Reel. You spend 20 minutes: Recording clips Adding music Writing ca00
AIAminul Islaminamie-dev.hashnode.dev·May 28 · 9 min read📡 How WhatsApp Works Without Internet Offline Messaging and Synchronization Explained📖 Introduction Imagine this: You turn on airplane mode ✈️ Then you open WhatsApp and send: “Hey, I’ll call you later.” Something interesting happens: ✅ The message instantly appears in your chat ✅ Y00
AIAminul Islaminamie-dev.hashnode.dev·May 21 · 9 min readHow Netflix Would Be Built Today Using Expo RouterModern mobile apps are no longer simple collections of screens. Apps like Netflix are massive software ecosystems built with: Complex navigation systems Realtime personalization Offline-first archi00
AIAminul Islaminamie-dev.hashnode.dev·May 21 · 8 min readExpo Router vs React Navigation — Which One Should You Use in 2026?React Native navigation has evolved massively over the years. In 2026, developers usually face one important question before starting a mobile app: Should I use React Navigation or Expo Router? Both00
AIAminul Islaminamie-dev.hashnode.dev·May 5 · 4 min readHow React Virtual DOM Works Under the Hood🧠 Introduction Modern web apps need to be fast, smooth, and responsive.But updating the UI directly using the browser DOM can be slow and inefficient. 👉 This is where React Virtual DOM comes in. In 00
