In this tutorial, we will learn how to detect arrow keypresses in JavaScript. Arrow keys are commonly used for navigation and interactions within web applications, especially in games, form handling, and custom navigation interfaces. We will explore how to capture these keypresses and execute specific functions when they are pressed. Event handler used The event …
In web development, the alt attribute in the <img> tag is essential for accessibility and SEO. It provides alternative text for images, ensuring that users who cannot see the images understand their content. This tutorial will show you how to set `alt` tags effectively. To set an alt tag for an image in HTML, …
Navigating between different views in a web application is crucial for creating a seamless user experience. In this guide, I’ll show you how to set up routing in a React application using BrowserRouter from react-router-dom. We’ll use Routes for defining routes and traditional anchor (<a>) tags for navigation. First we need a application to work …
When working with JavaScript arrays, you might encounter null values that you need to remove. These null values can cause unexpected behavior and errors in your code. In this post, I’ll show you about removing null values from an array in JavaScript using the filter method. If you want to gain some basic knowledge on …
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In this article, we will extract TMDB data which means The Movie Database, and then display the details of the searched movie name in the Java Swing window. We will create a search bar and a search button in Java Swing, we will enter the movie name required and as soon as we click the …
While designing graphical applications in Python using Tkinter, sometimes you may want to be able to dynamically alter the size of the window according to user actions or any other conditions. Tkinter offers several ways of changing window properties, including size. In this blog we will be changing Tkinter window size through variables. Method 1: …
Python’s Tkinter library is a powerful building block for graphical user interfaces. While it’s easier to use from tkinter import * for quick access, it can lead to several problems in larger, more complex codes. In this blog, we will discuss the various reasons one needs to avoid using from tkinter import * and provide better …
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In this Java tutorial, we are going to discuss the famous Tower of Hanoi problem using ‘n’ disks. We are going to solve it using recursive function calling approach. Tower of Hanoi Problem using recursion in Java The Tower of Hanoi is a Mathematical puzzle. It consists of three rods and ‘n’ disks of different …
In this tutorial, we will generate a code that will give us the information stored in the QR Code as output using Java. We can say that we will write code that will decode the QR Code. QR Code to Text converter in Java We can generate our code using any IDE ie. Notepad, Notepad++, …
The QR code is shortened for Quick Response code. It is an alternative to bar code or we can say that it is a two-dimensional bar-code. contains the matrix of small squares in which information is stored. works the same as a bar-code. Generating QR Code in Java The grid arrangement of the black squares on a white …