B Vishal

@bvishal27

Joined December 2025

About

Nothing here yet.

Available for

Nothing here yet.

B Vishal's blogs

Dev Blog by Vishalvishal-dev.hashnode.dev36 posts

CSS Selectors 101: Targeting Elementsbvishal27.hashnode.dev13 posts

Why VCL: The Pendrive Problemwhy-vcl-the-pendrive-problem.hashnode.dev2 posts

Function Declaration vs Function Expression in JavaScript: What’s the Difference?functions-in-js.hashnode.dev2 posts

Emmet for HTML: A Beginner’s Guide .bvishal-htmlemmet.hashnode.dev1 post

Articles Comments

Recently published

BVB Vishalvishal-dev.hashnode.devMay 31 · 9 min read

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

Have you ever recorded an Instagram Reel, closed the app halfway through editing, and later reopened it — only to find your draft still safely there? Or wondered how Instagram loads videos almost inst

0

BVB Vishalvishal-dev.hashnode.devMay 31 · 8 min read

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

Have you ever sent a WhatsApp message while your phone was in airplane mode — and still saw the message appear instantly in the chat? At first, it feels strange. There’s no internet connection, yet th

0

BVB Vishalvishal-dev.hashnode.devMay 31 · 9 min read

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

Navigation is one of the most important parts of any mobile application. Whether you're building a small startup MVP, a social media app, or a production-scale enterprise application, users constantly

0

BVB Vishalvishal-dev.hashnode.devMay 31 · 9 min read

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

Modern mobile applications are no longer simple CRUD apps with a few screens and APIs. Apps like Instagram, WhatsApp, Uber, and Netflix operate at enormous scale with millions of users, realtime syste

0

BVB Vishalvishal-dev.hashnode.devMay 10 · 8 min read

Handling File Uploads in Express with Multer

Uploading files is one of the most common tasks in backend development. Whether users upload profile pictures, PDFs, resumes, or documents, the server needs a proper way to receive and store those fil

0

B Vishal

About

Available for

B Vishal's blogs

Recently published

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

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

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

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

Handling File Uploads in Express with Multer

Search Hashnode

B Vishal

About

Available for

B Vishal's blogs

Recently published

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

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

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

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

Handling File Uploads in Express with Multer