How do I handle the window close event in Tkinter?

Tkinter supports a mechanism called protocol handlers. Here, the term protocol refers to the interaction between the application and the window manager. The most commonly used protocol is called WM_DELETE_WINDOW, and is used to define what happens when the user explicitly closes a window using the window manager. You can use the protocol method to … Read more

What’s the difference between window.location= and window.location.replace()?

window.location adds an item to your history in that you can (or should be able to) click “Back” and go back to the current page. window.location.replace replaces the current history item so you can’t go back to it. See window.location: assign(url): Load the document at the provided URL. replace(url):Replace the current document with the one … Read more

window.location.href and window.open () methods in JavaScript

window.location.href is not a method, it’s a property that will tell you the current URL location of the browser. Changing the value of the property will redirect the page. window.open() is a method that you can pass a URL to that you want to open in a new window. For example: window.location.href example: window.location.href=”http://www.google.com”; //Will … Read more

Get viewport/window height in ReactJS

Using Hooks (React 16.8.0+) Create a useWindowDimensions hook. import { useState, useEffect } from ‘react’; function getWindowDimensions() { const { innerWidth: width, innerHeight: height } = window; return { width, height }; } export default function useWindowDimensions() { const [windowDimensions, setWindowDimensions] = useState(getWindowDimensions()); useEffect(() => { function handleResize() { setWindowDimensions(getWindowDimensions()); } window.addEventListener(‘resize’, handleResize); return () … Read more

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