#piyushgarg

2d ago · 5 min read · Hey everyone — Dinesh here, your Tech Budy... If you’ve ever worked with real-world data (like API responses from MongoDB, JSON from third-party services, or even LeetCode problems), you’ve probably f

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DKDeebhika Kumarandeebhika.hashnode.dev

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Understanding Kafka Through a Rapido Ride

3d ago · 7 min read · You open Rapido. You book a ride. A dot appears on your map and it moves. That moving dot feels simple. It is not. Behind it is a system handling hundreds of thousands of GPS pings every single second

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DKDeebhika Kumarandeebhika.hashnode.dev

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Caching Strategies in Distributed Systems

3d ago · 13 min read · Imagine you run an e-commerce website. You cache your most popular product's data in Redis with a 5-minute expiration. For 5 minutes, everything is blazing fast. Then the cache expires. 10,000 users,

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DSDinesh Swamicallbacksforjs.hashnode.dev

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Callbacks in JavaScrip🌌

Mar 23 · 5 min read · t: The Original Way We Made Code Wait (And Why It Got Messy) Yo, what's up squad — Dinesh here, still in rajsthan grinding full-stack at 3 AM with chai getting cold next to the laptop. Today we're div

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DSDinesh Swamitemplateinjs.hashnode.dev

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✨ Mastering Template Literals in JavaScript

Mar 23 · 5 min read · ✨ Mastering Template Literals in JavaScript — From Messy + Signs to Clean Magic Hey everyone — I’m Dinesh, a full‑stack learner building projects and trying to break less code. A while ago my dashboar

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SPSaurabh Prajapatiblog.thitainfo.com

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String Polyfills and Common Interview Methods in JavaScript

Mar 21 · 11 min read · "I thought I knew strings. Then an interview asked me to implement .includes() from scratch — and I froze." 🌍 Why This Problem Matters Here's the thing: JavaScript is everywhere. But JavaScript eng

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RSRaj Singhhtmlcollectionvsnodelist.hashnode.dev

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Understanding HTMLCollection and NodeList in JavaScript

Mar 18 · 2 min read · 1. HTMLCollection An HTMLCollection is a collection of HTML elements. How to get HTMLCollection document.getElementsByClassName("item"); document.getElementsByTagName("li"); document.getElementById("l

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RSRaj Singhnodejsarchitectureknowledge.hashnode.dev

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Node.js Internals – Summary

Mar 15 · 3 min read · 1. Single Thread and Event Loop JavaScript in Node.js runs on a single main thread, but Node.js can still handle many tasks at the same time using the Event Loop and asynchronous operations. The event

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AGArnab Ghoshaljavascriptoperators26.hashnode.dev

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JavaScript Operators

Mar 15 · 4 min read · JavaScript Operators 1. What Are Operators? 🤔 An operator is a symbol that tells the program to perform an operation on values. Example: let result = 5 + 3; Here: 5 and 3 → operands + → operator T

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SGSiddhant Gortetechwithsiddhant.hashnode.dev

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JavaScript Arrays 101

Mar 15 · 5 min read · When working with JavaScript, we often need to store multiple values together.For example: A list of fruits 🍎🍌🍇 A list of student marks A list of tasks in a to-do app Instead of creating many

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