SAMIT MANDAL

@Sam-in-it

Consistency is the key

INDIAJoined January 2026

About

CSE Under grad. || Trying to be a better developer each day || Consistency is the key

Available for

Nothing here yet.

SAMIT MANDAL's blogs

Other Cohort blogssaminitcohort.hashnode.dev44 posts

Play with JavaScriptplaywithjs.hashnode.dev10 posts

Everything On Gitgitiseasy.hashnode.dev3 posts

SaminitSaminit.hashnode.dev1 post

Understanding Network Deviceseasycn.hashnode.dev1 post

Articles Comments

Recently published

SMSAMIT MANDALsaminitcohort.hashnode.devMay 31 · 3 min read

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

You open Instagram, record a 30-second Reel, add music, text, and effects. Then you decide to save it as a draft instead of posting immediately. What actually happens behind the scenes? Local Storage

0

SMSAMIT MANDALsaminitcohort.hashnode.devMay 31 · 3 min read

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

Imagine You’re on a flight or in a low-signal area. You open WhatsApp, type a message to your friend, hit send… and it works. The message instantly appears in your chat with a single gray tick. How? T

0

SMSAMIT MANDALsaminitcohort.hashnode.devMay 31 · 5 min read

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

You start with a few screens in app/ and everything works. Then features multiply: feeds, stories, messages, profiles, search, settings, modals, deep links, auth flows. Without intentional architectur

0

SMSAMIT MANDALsaminitcohort.hashnode.devMay 31 · 5 min read

Expo Router vs React Navigation - Which One Should You Use in 2026?

You start a new React Native app. You need to move between screens while keeping state, handling deep links, managing authentication, and sharing UI elements like headers or tab bars across sections.

0

SMSAMIT MANDALsaminitcohort.hashnode.devMay 10 · 3 min read

Handling File Uploads in Express with Multer

While learning backend development with Node.js and Express, one feature that felt very practical was file uploading. Modern applications allow users to upload profile pictures, PDFs, videos, and many

0

SAMIT MANDAL

About

Available for

SAMIT MANDAL's blogs

Recently published

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

Expo Router vs React Navigation - Which One Should You Use in 2026?

Handling File Uploads in Express with Multer

Search Hashnode

SAMIT MANDAL

About

Available for

SAMIT MANDAL's blogs

Recently published

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

Expo Router vs React Navigation - Which One Should You Use in 2026?

Handling File Uploads in Express with Multer