PKPallab Karmakarinblog.pallabdev.in·May 31 · 9 min readHow Instagram Stores Reels, Photos, and Drafts Behind the ScenesSocial media applications have evolved far beyond simple photo-sharing platforms. Today, apps like Instagram allow users to record high-quality videos, edit Reels, apply filters, save drafts, upload l10
PKPallab Karmakarinblog.pallabdev.in·May 31 · 9 min readBuilding Messaging Apps That Work Offline: A Beginner's Guide to Offline-First Chat ArchitectureModern messaging applications have changed how we communicate. Whether it is WhatsApp, Telegram, Signal, Discord, Slack, or Microsoft Teams, users expect messages to be delivered instantly and reliabl00
PKPallab Karmakarinblog.pallabdev.in·May 22 · 8 min readExpo Router vs React Navigation — Which One Should You Use in 2026?When developers start learning React Native, one of the first confusing topics they face is navigation. How do you move between screens? How do you handle authentication? How do you manage tabs, st00
PKPallab Karmakarinblog.pallabdev.in·May 22 · 10 min readBuilding Production-Grade React Native Apps: Architecture, Scalability, and Real-World Engineering When most developers start building React Native apps, the folder structure usually looks clean. A few screens. A components folder. Maybe one API file. Everything works. But the moment the ap00
PKPallab Karmakarinblog.pallabdev.in·May 10 · 5 min readThe Node.js Event Loop ExplainedIn today's article, we are going to discuss the event loop. But before making any further discussion, we must understand Node.js. In the early days, everyone used JavaScript in the browser. That time 00
