HRHammad Razainarrayflattenj.hashnode.dev00Array Flatten in JavaScript4d ago · 6 min read · Introduction: Imagine opening a box and finding another box inside it. Then another. And another. That is exactly what nested arrays look like in JavaScript. const data = [1, [2, [3, [4]]]]; At first Join discussion
HRHammad Razainjavascriptmodulesimport.hashnode.dev00JavaScript Modules: Import and Export Explained5d ago · 7 min read · Description: Learn JavaScript modules with easy examples. Understand import and export, default vs named exports, modular code structure, maintainability benefits, and best practices for modern JavaScJoin discussion
SSSanghita Sealinsanghitadev.hashnode.dev00Spread vs Rest Operators in JavaScript — Same Syntax, Opposite ThinkingApr 19 · 3 min read · Most beginners get confused about the ... syntax. Depending upon the use case , it plays two different roles in JavaScript. Primarily people get struct in this confusion . Spread operator ( ... ) --> Join discussion
MAMuhammad Asiminflattenarrayinjs.hashnode.dev00Array Flatten in JavaScript From Nested Mess to Clean List .Apr 18 · 8 min read · Imagine you have a box. Inside that box, there are more boxes. And inside those boxes even more boxes. Now someone asks you, "Hey, give me a list of everything inside." What do you do? That's exactlJoin discussion
DKDeebhika Kumaranindeebhika.hashnode.dev00Understanding Kafka Through a Rapido RideMar 31 · 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 secondJoin discussion
DKDeebhika Kumaranindeebhika.hashnode.dev00Caching Strategies in Distributed SystemsMar 31 · 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, Join discussion
DKDeebhika Kumaranindeebhika.hashnode.dev00Understanding the Thundering Herd ProblemMar 31 · 8 min read · Imagine you’re a backend engineer at a fintech app. The market is highly volatile, and your marketing team blasts a push notification to 10 million users: “Massive tech dip! Open the app to buy now!” Join discussion
MAMuhammad Asiminimportexportmodule-asim093.hashnode.dev00JavaScript Modules Import and Export Explained .Mar 15 · 5 min read · Introduction: Why Modules Are Needed . When developers first start learning JavaScript, most programs are written in a single file. For small scripts this works perfectly fine. However, as applicationJoin discussion
MIMd Intekhab Alaminunderstanding-javascriptt.hashnode.dev00Understanding Objects in JavaScriptMar 15 · 3 min read · What objects are and why they are needed An object is a non-primitive data type in JavaScript. It is a collection of key-value pairs, It is stored by reference in the JavaScript variable, which means Join discussion
SNSuraj Navaleinblogwithsuraj.hashnode.dev00 JavaScript Arrays 101Mar 13 · 8 min read · Imagine you need to store the names of your 5 favourite movies. You could do it like this: let movie1 = "Inception"; let movie2 = "Interstellar"; let movie3 = "The Dark Knight"; let movie4 = "ParasiteJoin discussion
