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How React's Virtual DOM Works Under the Hood

May 23 · 10 min read · A step-by-step mental model — from the problem it solves to the render → diff → commit lifecycle The Problem: Direct DOM Manipulation is Expensive Before React, building interactive UIs meant talkin

React Navigation vs Expo Router: The Complete Guide to Mobile Routing in 2026

May 23 · 16 min read · From manually wiring up every screen to letting your file system do the talking — here's everything you need to know before choosing your navigation strategy. The Problem Nobody Talks About Enough P

Architecting React Native Apps at Scale: How Instagram, WhatsApp, Uber & Netflix Think About Mobile

May 23 · 16 min read · Most apps don't fail because of bugs. They fail because nobody thought about what happens when the codebase triples in size, the team doubles, and the feature backlog never ends. Why Simple Folder S

Understanding REST APIs: The Foundation of Modern Web Communication

May 8 · 7 min read · Every modern application — from social media apps to banking platforms — relies on APIs to communicate between frontend and backend systems. When your React app fetches user data, submits a login form

Understanding React Virtual DOM: How React Updates UI Efficiently

May 8 · 8 min read · Modern web applications update the UI constantly — typing in inputs, receiving notifications, filtering lists, animations, and more. If every small change directly manipulated the browser DOM, applica