Sachin Kumar

@sachink00017

Exploring Devlopment

IndiaJoined December 2025

About

Currently learning web development

Available for

Nothing here yet.

Sachin Kumar's blogs

Git for Beginnersgit4beginners-basic.hashnode.dev1 post

Why Version Control Exists?why-version-control-exists-learn-with-pendrive-problem.hashnode.dev1 post

Inside .git Foldersneekpeek-inside-git-folder.hashnode.dev1 post

DNS Record Types Explaineddns-record-types-101.hashnode.dev1 post

How DNS Resolution Worksknow-how-dns-resolution-works.hashnode.dev1 post

Articles Threads Comments

Recently published

promise-methods.hashnode.dev

Handling Promises Without a Breakup 😎

Have you ever sent a text to someone you really like and then stared at your phone for twenty minutes waiting for that "typing..." bubble to appear? That feeling of suspended animation, where you can’

5d ago11 min read

know-how-dns-resolution-works.hashnode.dev

How DNS Resolution Works

We know that DNS is the phonebook of the internet. You ask for google.com, and it gives you an IP address. But here is the most important question: Who actually has the answer? There isn't one magical server that knows every website on earth. That wo...

Jan 313 min read

dns-record-types-101.hashnode.dev

DNS Record Types Explained

When you type google.com and hit Enter, you don't really care how it works, you just want the page to load. But have you ever wondered how your browser knows where to go? Because here is the thing: computers don't know what "Google" is. They don’t un...

Jan 304 min read

sneekpeek-inside-git-folder.hashnode.dev

Inside Git: How It Works and the Role of the .git Folder

Most developers treat Git like magic. We type git add, git commit, and git push like incantations, hoping everything works. But Git isn't magic; it is a beautifully simple database. To truly master Git, you need to stop looking at the commands and st...

Jan 173 min read

why-version-control-exists-learn-with-pendrive-problem.hashnode.dev

Why Version Control Exists: The Pendrive Problem

The Pendrive Analogy in Software Development Before modern tools like Git existed, developers faced a significant challenge: simply moving code from one computer to another. Imagine you are building a website with a teammate. You write the initial co...

Jan 173 min read

Sachin Kumar

About

Available for

Sachin Kumar's blogs

Recently published

Handling Promises Without a Breakup 😎

How DNS Resolution Works

DNS Record Types Explained

Inside Git: How It Works and the Role of the .git Folder

Why Version Control Exists: The Pendrive Problem

Search Hashnode

Sachin Kumar

About

Available for

Sachin Kumar's blogs

Recently published

Handling Promises Without a Breakup 😎

How DNS Resolution Works

DNS Record Types Explained

Inside Git: How It Works and the Role of the .git Folder

Why Version Control Exists: The Pendrive Problem