@dipan-roy

Dipan Roy Choudhury

@dipan-roy

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Joined October 2025

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Dipan Roy Choudhurydipan-roy-choudhury.hashnode.dev40 posts

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Sessions, Cookies, and JWT: Which Authentication Should You Use?

1d ago · 9 min read · When I started building my first full-stack project, I hit a wall almost immediately — how does a server know who I am after I log in? I kept running into terms like sessions, cookies, and JWT tokens,

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From Callback Hell to Promises: Understanding Async Code in Node.js

1d ago · 8 min read · So I've been learning Node.js for a while now, and if there's one concept that confused me the most in the beginning, it was asynchronous code. I kept asking myself — why can't JavaScript just wait fo

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Linux File System Hunting

Apr 22 · 10 min read · Most people learn Linux by memorizing commands. I decided to do something different — I went hunting. Instead of running ls and mkdir in a terminal for the hundredth time, I decided to actually open u

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Understanding Map and Set in JavaScript

Mar 25 · 5 min read · JavaScript provides several built-in data structures for storing and managing data. Traditionally, developers relied on objects and arrays for most tasks. However, modern JavaScript introduced two pow

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Understanding this in JavaScript

Mar 25 · 4 min read · One concept that often confuses JavaScript beginners is the this keyword. Unlike many other programming languages, the value of this in JavaScript depends on how a function is called, not where it is

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Dipan Roy Choudhury

About

Available for

Dipan Roy Choudhury's blogs

Recently published

Sessions, Cookies, and JWT: Which Authentication Should You Use?

From Callback Hell to Promises: Understanding Async Code in Node.js

Linux File System Hunting

Understanding Map and Set in JavaScript

Understanding this in JavaScript

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Dipan Roy Choudhury

About

Available for

Dipan Roy Choudhury's blogs

Recently published

Sessions, Cookies, and JWT: Which Authentication Should You Use?

From Callback Hell to Promises: Understanding Async Code in Node.js

Linux File System Hunting

Understanding Map and Set in JavaScript

Understanding this in JavaScript