React Redux Counter App (Step-by-Step Example)

📌 INTRODUCTION Redux is one of the most important state management libraries used with React. It helps manage application state in a centralized way. A Counter App using React Redux is a beginner-friendly program that helps you understand: Global state management Redux store Actions Reducers React-Redux integration In this program, we will create a simple …

React Router App (Step-by-Step Navigation Example)

📌 INTRODUCTION Routing is an essential concept in React. It allows users to navigate between different pages or views in a single-page application without reloading the entire website. Using React Router, we can build applications with multiple pages such as: Home About Contact In this program, we will create a simple React Router App and …

Angular Pipes Example (Built-in Pipes with Examples)

📌 INTRODUCTION Angular Pipes are used to transform data in templates before displaying it to the user. Instead of modifying data in the component, pipes allow you to format it directly in HTML. Angular provides several built-in pipes such as: Uppercase Lowercase Date Currency Percentage 👉 Pipes make your UI cleaner and more readable. 📘 …

Angular Hello World App

📌 INTRODUCTION Angular is a powerful front-end framework developed by Google for building dynamic web applications. The first program in Angular is usually the Hello World App, which helps you understand: Angular project structure Components Templates Data binding 👉 This is the starting point for Angular development. 📘 PROBLEM STATEMENT 👉 Create a Hello World …

Simple HTTP Server in Node.js

📌 INTRODUCTION Node.js allows developers to create web servers very easily using its built-in http module. This module helps us handle client requests and send responses from the server. A simple HTTP server is one of the first and most important programs in Node.js because it introduces: Server creation Request handling Response sending Port listening …

Node.js File Upload Application using Express and Multer

📌 INTRODUCTION File upload is one of the most useful features in web applications. It allows users to upload: Images PDF files Documents Resume files Project reports In Node.js, file upload is commonly implemented using: Express.js for server creation Multer middleware for handling file uploads In this program, we will build a simple Node.js File …

Node.js File Operations with Examples (Read, Write, Append, Delete)

📌 INTRODUCTION File handling is one of the most important features of Node.js. Using Node.js, we can create, read, update, append, rename, and delete files easily. For file operations, Node.js provides the built-in fs module (fs stands for file system). In this program, we will learn how to perform common file operations such as: Creating …

React Login Form with Validation using useState

📌 INTRODUCTION A login form is one of the most common components in web applications. It helps users enter their credentials and access a system securely. In React, login forms are usually built using: useState hook Controlled components Form validation In this program, we will develop a login form with validation using React state. 📘 …