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Web Technologies

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Node.js and Modern Server-Side Development

Last Updated: 28 January 2026

Choosing the right server-side technology is crucial for building performant and scalable web applications.Node.js has emerged as a modern backend platform.Addresses limit...read more

polyfills for Flatten an Array

Last Updated: 28 January 2026

Flattening an array is a common JavaScript interview topic that involves converting a nested array into a single-dimensional array. While JavaScript provides the built-in ...read more

javascript-array

JavaScript Private Properties

Last Updated: 28 January 2026

Private properties are variables that cannot be accessed directly from outside the class in which they are defined. They support encapsulation, a key principle of object-o...read more

JavaScript-Classes

Error Handling in REST APIs

Last Updated: 27 January 2026

Effective error handling in REST APIs ensures clear communication, predictable behavior, and better debugging between the client and server.Validate requests to catch clie...read more

NodeJS-Error-Handling

PUT and DELETE HTTP Methods in Node.js

Last Updated: 27 January 2026

PUT and DELETE HTTP methods are used to update and remove existing resources on a server, enabling full CRUD operations in RESTful APIs.PUT updates an existing resource by...read more

Node.js-Methods

Node.js-HTTP-Module

Implementing TCP Communication in Node.js

Last Updated: 27 January 2026

Working with TCP servers involves creating low-level network applications that enable reliable, ordered, and continuous data exchange between clients and servers using Nod...read more

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Last Updated: 27 January 2026

ReadlineSync is a JavaScript (Node.js) library that allows developers to take user input from the terminal in a synchronous way. It is commonly used in command-line based ...read more

Node.js Built-in Modules for Command-Line Input

Last Updated: 27 January 2026

Node.js includes built-in core modules that enable application development without custom implementations, especially for handling user input in command-line applications....read more

Requesting an OTP from the Client to a Node.js Server

Last Updated: 20 January 2026

In today’s digital landscape, secure user authentication is essential for protecting user data and application integrity. Email OTP (One-Time Password) verification enhanc...read more

Building a Node.js Server with Email OTP Authentication

Last Updated: 20 January 2026

In today’s digital landscape, secure user authentication is essential for protecting user data and application integrity. Email OTP (One-Time Password) verification enhanc...read more

Children in Props

Last Updated: 20 January 2026

Children in props allow components to receive and display nested content passed between their opening and closing tags. This makes components more flexible and reusable wi...read more

React Callbacks

Last Updated: 20 January 2026

Callbacks in React are functions passed from parent to child components to enable communication back to the parent. They allow child components to trigger actions or send ...read more

Week 3: Course Overview Next.js

Last Updated: 16 October 2025

Welcome to Week 3 of the Next.js journey! This week focuses on state management, advanced form handling, SEO, security, error handling, testing, and project-based applicat...read more

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Week 2: Course Overview Next.js

Last Updated: 16 October 2025

Welcome to Week 2 of the Next.js journey! This week focuses on data fetching, API integration, asynchronous operations, authentication, middleware, and a project-based app...read more

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Difference between Node.js, Django and Spring

Last Updated: 12 March 2026

Node.js, Django, and Spring are popular backend technologies used to build scalable web applications and APIs. They differ in programming language, architecture, and ecosy...read more

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