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Rahul Rajak (@dev-thinker) | Hashnode

@dev-thinker

Rahul Rajak

@dev-thinker

enthusiast developer

Joined January 2026

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Rahul Rajak's blogs

Why Version Control Existsdev-thinker.hashnode.dev1 post

Git for Beginnersgitforbeginers.hashnode.dev1 post

Inside Git: Role of the .git Folderinside-gitfolder.hashnode.dev1 post

Understanding Network Devicesdevicesnetwork.hashnode.dev1 post

TCP vs UDP1tcpudp.hashnode.dev1 post

About

Nothing here yet.

Available for

Nothing here yet.

Rahul Rajak's blogs

Why Version Control Existsdev-thinker.hashnode.dev1 post

Git for Beginnersgitforbeginers.hashnode.dev1 post

Inside Git: Role of the .git Folderinside-gitfolder.hashnode.dev1 post

Understanding Network Devicesdevicesnetwork.hashnode.dev1 post

TCP vs UDP1tcpudp.hashnode.dev1 post

Articles Threads Comments

Recently published

1emmet-html.hashnode.dev

Emmet for HTML: A Beginner’s Guide to Writing Faster Markup

What is Emmet? Typing HTML is easy, but it can be time-consuming—especially when creating multiple elements or nested structures. Emmet is a tool that helps you write HTML much faster. Instead of typing every single tag, you write a short abbreviatio...

Jan 30·2 min read

cascading-ss-selectors.hashnode.dev

CSS Selectors 101: Targeting Elements with Precision

What is CSS? CSS (Cascading Style Sheets) is a language that tells the browser how to display HTML elements. While HTML is the skeleton of a webpage, CSS is like the skin, colors, fonts, and layout. Without CSS, web pages look plain and boring—just b...

Jan 30·3 min read

1htmlbasics.hashnode.dev

Understanding HTML Tags and Elements

What HTML is and why we use it HTML stands for HyperText Markup Language. HTML is used to create the structure of a web page. It is basically skeleton of a web page. Hyper (Hypertext): This refers to the ability to link different documents and resou...

Jan 30·3 min read

browser-internels.hashnode.dev

A Beginner-Friendly Guide to Browser Internals

What a Browser Actually Is A browser is a software program that displays and runs web pages.It can open websites, load web apps, and even act as a platform for search engines. Examples are Chrome, Firefox, Edge, and Safari. But internally, a browser ...

Jan 30·3 min read

1curl.hashnode.dev

Getting Started with cURL

Before understanding curl, we need to understand one about servers, request-response etc. What is a Server? A server is just a computer connected to the internet 24×7 that servers what the client asked for: Websites Data (APIs) Files Services W...

Jan 30·3 min read