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#hiteshchoudhary

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Spread vs Rest Operators in JavaScript — Same Syntax, Opposite Thinking

4d ago · 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 ( ... ) -->

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MAMuhammad Asimflattenarrayinjs.hashnode.dev

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Array Flatten in JavaScript From Nested Mess to Clean List .

6d ago · 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 exactl

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DKDeebhika Kumarandeebhika.hashnode.dev

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Understanding Kafka Through a Rapido Ride

Mar 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 second

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DKDeebhika Kumarandeebhika.hashnode.dev

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Caching Strategies in Distributed Systems

Mar 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,

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DKDeebhika Kumarandeebhika.hashnode.dev

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Understanding the Thundering Herd Problem

Mar 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!”

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MAMuhammad Asimimportexportmodule-asim093.hashnode.dev

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JavaScript 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 application

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MIMd Intekhab Alamunderstanding-javascriptt.hashnode.dev

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Understanding Objects in JavaScript

Mar 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

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DKDeepak Kumardeepakjs.hashnode.dev

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JavaScript Arrays 101

Mar 13 · 4 min read · 🔴🔵 JavaScript Arrays — Building Attacks Like Barcelona Builds Passing Chains ⚽ One of the most beautiful things about FC Barcelona football is their passing system. Instead of one player holding the

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SNSuraj Navaleblogwithsuraj.hashnode.dev

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JavaScript Arrays 101

Mar 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 = "Parasite

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SNSuraj Navaleblogwithsuraj.hashnode.dev

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Control Flow in JavaScript

Mar 13 · 6 min read · Every program you write makes decisions. Learning how to control those decisions is one of the most fundamental skills in programming. Let's break it down — simply, clearly, and with real-world exampl

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Trending tags this week

Spread vs Rest Operators in JavaScript — Same Syntax, Opposite Thinking

Array Flatten in JavaScript From Nested Mess to Clean List .

Understanding Kafka Through a Rapido Ride

Caching Strategies in Distributed Systems

Understanding the Thundering Herd Problem

JavaScript Modules Import and Export Explained .

Understanding Objects in JavaScript

JavaScript Arrays 101

JavaScript Arrays 101

Control Flow in JavaScript