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SAShahbaz Ahmedknowingnodejsexpress.hashnode.devAug 31 · 16 min read

Modern Database Access

Where does application data live after a user closes the app? Close a shopping app after adding three items to a cart, and reopen it a week later, the cart is still there. Log into a social media app

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SAShahbaz Ahmeddebunking-js.hashnode.devAug 30 · 13 min read

Mastering TypeScript

If JavaScript works, why was TypeScript created? This is the question every JavaScript developer eventually asks. JavaScript runs in every browser, powers most of the web, and doesn't need compiling.

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SAShahbaz Ahmedfundamentalsofreact.hashnode.devAug 30 · 18 min read

Modern Next.js

Can a React application have both frontend and backend inside the same project? For most of React's history, the honest answer was "not really, not cleanly." A React app was a frontend. If you needed

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SAShahbaz Ahmedfundamentalsofreact.hashnode.devAug 29 · 23 min read

State Management: Context API, Prop Drilling, React.memo, useMemo, and useCallback

Why State Management Becomes Difficult? State management becomes difficult as applications grow because the distance between where state lives and where it’s needed increases, forcing developers into

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SAShahbaz Ahmedfundamentalsofreact.hashnode.devAug 29 · 13 min read

Why Next.js Exists? When React first became popular, most applications were built as Single Page Applications (SPAs). The browser would download a single HTML file with almost nothing in it, along wit

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SAShahbaz Ahmedknowingnodejsexpress.hashnode.devMay 8 · 6 min read

How Node.js Handles Multiple Requests with a Single Thread

Traditional backend systems often create multiple threads to handle multiple users. But Node.js takes a very different approach — and that’s exactly why it became so popular for building scalable web

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JDJyoti Dwivedijs-learn-fun.hashnode.devApr 24 · 4 min read

Async/Await in JavaScript: Writing Cleaner Asynchronous Code

The Callback Hell Escape Three months into my first job, I inherited this monstrosity: fetchUser(userId, function(user) { fetchPosts(user.id, function(posts) { fetchComments(posts[0].id, functio

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JDJyoti Dwivedijs-learn-fun.hashnode.devApr 24 · 10 min read

Error Handling in JavaScript: Try, Catch, Finally

The Production Nightmare 💥 It was 2 AM on a Saturday. My phone buzzed. Then again. Then it started ringing. My CTO: "The app is down. Users can't log in. What happened?" I scrambled to my laptop. The

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JDJyoti Dwivedijs-learn-fun.hashnode.devApr 23 · 13 min read

Spread vs Rest Operators in JavaScript

The Pizza Party Paradox 🍕 Last Friday, my team ordered pizza for a hackathon. We had a problem: The Situation: 5 different pizza boxes 1 giant serving table Everyone wanted to grab slices from all

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SAShahbaz Ahmeddebunking-js.hashnode.devMar 31 · 6 min read

Spread vs Rest Operators in JavaScript

What are Spread (...) Operators? The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for arr

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Trending tags this week

Modern Database Access

Mastering TypeScript

Modern Next.js

State Management: Context API, Prop Drilling, React.memo, useMemo, and useCallback

Next.js Explained

How Node.js Handles Multiple Requests with a Single Thread

Async/Await in JavaScript: Writing Cleaner Asynchronous Code

Error Handling in JavaScript: Try, Catch, Finally

Spread vs Rest Operators in JavaScript

Spread vs Rest Operators in JavaScript