What is a React Hooks
React Hooks are a feature introduced in React 16.8 that allow developers to use state and other React features without writing a class component. With hooks, you can write more concise and reusable code, and share stateful logic between components. Hooks are functions that allow you to “hook into” React state and lifecycle features from […]
Styling React Using Sass
Sass (Syntactically Awesome Style Sheets) is a popular CSS preprocessor that allows you to write CSS with more features and flexibility than regular CSS. You can use Sass to style your React components in the same way you would use it for regular HTML and CSS. Here’s an example of how to use Sass to […]
React Using CSS
There are several ways to style React components using CSS. Here are three common approaches: Using external CSS files: This is the traditional approach to styling web pages using CSS. You can create a separate CSS file and link it to your HTML file using the <link> In React, you can do the same thing […]
React Memo
React Memo is a higher-order component (HOC) in React that provides a way to optimize the rendering of functional components. It is similar to the shouldComponentUpdate lifecycle method in class components, but for functional components. When a component is wrapped with React Memo, React will automatically memoize the component’s result and only re-render it if […]
Java String Class Methods
Java String Class Methods Java String Class Methods: The java.lang.String class in Java provides a wide range of methods to work with Strings. Here are some of the most commonly used methods: length(): Returns the length of the String. String str = “Hello”; int length = str.length(); // returns 5 charAt(): Returns the character at […]
Java String
Java String Java String: In Java, a String is a sequence of characters used to represent textual data. Here are some examples of how to work with Strings in Java: Creating a String To create a String, you can either use double quotes or the String constructor: String myString1 = “Hello, World!”; // using double […]
React Router
React Router is a popular routing library for React that allows developers to create single-page applications with multiple views and routes. Here’s an example of how to use React Router in a simple application: First, you’ll need to install React Router using npm or yarn: npm install react-router-dom or yarn add react-router-dom Once you’ve installed […]
React Forms
React provides a powerful way to handle forms by allowing developers to use state to manage the form’s input values and submit actions. Here’s an example of how to create a simple form in React: import React, { useState } from ‘react’; function MyForm() { const [name, setName] = useState(”); const [email, setEmail] = useState(”); […]
Command Line Argument
Command Line Argument Java command line argument allow you to pass arguments or parameters to your Java program when you run it from the command line. These arguments are passed as strings and can be accessed by your program using the “args” parameter of the “main” method. Here’s an example of a Java program that […]
PHP Callback Functions
PHP Callback Functions In PHP, a callback function is a function that can be passed as a parameter to another function, and then executed within that function. Callback functions are commonly used in event-driven programming, where the callback function is executed when a certain event occurs. Here’s an example of a callback function in PHP: […]