How Instagram Stores Reels, Photos, and Drafts Behind the Scenes
Pritam Mandal
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49 posts published so far
How WhatsApp Works Without Internet: Offline Messaging and Sync Explained
Pritam Mandal
How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router
Pritam Mandal
Expo Router vs React Navigation - Which One Should You Use in 2026?
Pritam Mandal
Sessions vs JWT vs Cookies: Understanding Authentication Approaches
Pritam Mandal
JWT Authentication in Node.js Explained Simply
Pritam Mandal
Handling File Uploads in Express with Multer
Pritam Mandal
URL Parameters vs Query Strings in Express.js
Pritam Mandal
Storing Uploaded Files and Serving Them in Express
Pritam Mandal
What is Middleware in Express and How It Works
Pritam Mandal
Creating Routes and Handling Requests with Express
Pritam Mandal
REST API Design Made Simple with Express.js
Pritam Mandal
How Node.js Handles Multiple Requests with a Single Thread
Pritam Mandal
Why Node.js is Perfect for Building Fast Web Applications
Pritam Mandal
Async Code in Node.js: Callbacks and Promises
Pritam Mandal
Blocking vs Non-Blocking Code in Node.js
Pritam Mandal
The Node.js Event Loop Explained
Pritam Mandal
Setting Up Your First Node.js Application Step-by-Step
Pritam Mandal
What is Node.js? JavaScript on the Server Explained
Pritam Mandal
JavaScript Modules: Import and Export Explained
Pritam Mandal
Synchronous vs Asynchronous JavaScript
Pritam Mandal
Error Handling in JavaScript: Try, Catch, Finally
Pritam Mandal
Async/Await in JavaScript: Writing Cleaner Asynchronous Code
Pritam Mandal
JavaScript Promises Explained for Beginners
Pritam Mandal
String Polyfills and Common Interview Methods in JavaScript
Pritam Mandal