PKPallab Karmakarinblog.pallabdev.in·Jul 11 · 5 min readGit Commit Message Guidelines for ProductionA well-written commit message is just as important as writing clean code. It helps your team understand what changed, why it changed, and makes debugging, code reviews, and release management signific00
PKPallab Karmakarinblog.pallabdev.in·Jul 10 · 6 min readPostgreSQL Cheat Sheet for MySQL DevelopersA comprehensive PostgreSQL reference for developers coming from MySQL. Table of Contents Connecting Databases Users & Roles Permissions Tables Columns Constraints Indexes CRUD Joins Transactions Vie00
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