---
title: "Hari Rajak (@Harry1414) | Hashnode"
description: "Hari Rajak (@Harry1414) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@Harry1414"
---

@Harry1414

# Hari Rajak

@Harry1414 · Joined May 2025

### [Domain Name System (DNS)](https://harry1414.hashnode.dev/domain-name-system-dns?utm_source=hashnode&utm_medium=feed)

Discover how DNS translates domain names to IP addresses, enabling seamless web browsing and simplifying internet navigation

5 min read · [harry1414.hashnode.dev](https://harry1414.hashnode.dev/domain-name-system-dns?utm_source=hashnode&utm_medium=feed)

[Jan 12](https://hashnode.com/posts/domain-name-system-dns/6965080e795ffb343e9a2365)

### [Understanding React Hooks: The useState and useEffect Fundamentals](https://aboutreact.hashnode.dev/understanding-react-hooks-the-usestate-and-useeffect-fundamentals?utm_source=hashnode&utm_medium=feed)

Learn the fundamentals of React Hooks, focusing on useState and useEffect, to manage state and side effects in functional components

6 min read · [aboutreact.hashnode.dev](https://aboutreact.hashnode.dev/understanding-react-hooks-the-usestate-and-useeffect-fundamentals?utm_source=hashnode&utm_medium=feed)

[Jan 4](https://hashnode.com/posts/understanding-react-hooks-the-usestate-and-useeffect-fundamentals/695a75401b29f94309af0da9)

### [Understanding the Virtual DOM and JSX](https://aboutreact.hashnode.dev/understanding-the-virtual-dom-and-jsx?utm_source=hashnode&utm_medium=feed)

Understanding the Virtual DOM and JSX To fully understand how the Virtual DOM works in React, it’s important to talk about JSX. JSX is the syntax React uses to describe what the UI should look like. At first glance, JSX looks like HTML written inside...

6 min read · [aboutreact.hashnode.dev](https://aboutreact.hashnode.dev/understanding-the-virtual-dom-and-jsx?utm_source=hashnode&utm_medium=feed)

[Jan 3](https://hashnode.com/posts/understanding-the-virtual-dom-and-jsx/69591e522e95a1a75c4a5d54)

### [How Node.js Handles Multiple Requests Using a Single Thread ?](https://harry1414.hashnode.dev/how-nodejs-handles-multiple-requests-using-a-single-thread?utm_source=hashnode&utm_medium=feed)

Discover how Node.js efficiently handles multiple requests using a single thread with the help of event loop and non-blocking I/O

3 min read · [harry1414.hashnode.dev](https://harry1414.hashnode.dev/how-nodejs-handles-multiple-requests-using-a-single-thread?utm_source=hashnode&utm_medium=feed)

[Jan 2](https://hashnode.com/posts/how-nodejs-handles-multiple-requests-using-a-single-thread/6957e8ede1e46ff5f56c7729)

### [Setting Up Your First Node.js App Step-by-Step](https://harry1414.hashnode.dev/setting-up-your-first-nodejs-app-step-by-step?utm_source=hashnode&utm_medium=feed)

Learn step-by-step how to set up your first Node.js app quickly, from installation to running your first server

2 min read · [harry1414.hashnode.dev](https://harry1414.hashnode.dev/setting-up-your-first-nodejs-app-step-by-step?utm_source=hashnode&utm_medium=feed)

[Jan 1](https://hashnode.com/posts/setting-up-your-first-nodejs-app-step-by-step/695672c142db2bff5d22dd0c)