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Mahesh Sahu

@mahi0702

Joined January 2026

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Maheshmahi-07.hashnode.dev54 posts

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The Node.js Event Loop Explained

4d ago · 7 min read · Every time you write setTimeout, read a file, or make a database call in Node.js, the event loop is what makes it work without freezing your server. Most developers use it constantly without understan

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Blocking vs Non-Blocking Code in Node.js

4d ago · 7 min read · Node.js is built around a single idea: do not wait. Understanding why that matters — and how Node.js achieves it — is essential before you write any serious server-side code. This article explains blo

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REST API Design Made Simple with Express.js

4d ago · 7 min read · When you open an app and it loads your profile, fetches your messages, or saves a form — something is happening behind the scenes. A client is talking to a server. REST APIs are the most common way th

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Why Node.js is Perfect for Building Fast Web Applications

4d ago · 6 min read · What makes Node.js fast Node.js is fast not because of raw computation speed, but because of how it handles waiting. Most web servers spend the majority of their time waiting — waiting for a database

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Map and Set in JavaScript: Smarter Data Structures for Modern Development

4d ago · 5 min read · Map and Set in JavaScript JavaScript provides several ways to store and manage data. Most beginners start with Objects and Arrays, but as applications become larger and more complex, these traditional

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Mahesh Sahu

About

Available for

Mahesh Sahu's blogs

Recently published

The Node.js Event Loop Explained

Blocking vs Non-Blocking Code in Node.js

REST API Design Made Simple with Express.js

Why Node.js is Perfect for Building Fast Web Applications

Map and Set in JavaScript: Smarter Data Structures for Modern Development

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Mahesh Sahu

About

Available for

Mahesh Sahu's blogs

Recently published

The Node.js Event Loop Explained

Blocking vs Non-Blocking Code in Node.js

REST API Design Made Simple with Express.js

Why Node.js is Perfect for Building Fast Web Applications

Map and Set in JavaScript: Smarter Data Structures for Modern Development