Struct is user-defined/custom data type where you can define some arbitrary object with some properties. You can't return the struct directly, but can return a tuple of its properties. // SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.8.4; contract HelloWorld { // struct is user-defined/custom data type where you…
The useReducer hook allows you to use a reducer for state management in your application. A reducer, of course, is simply a pure function that takes an action and state, and returns a copy of that state after applying the action on that state.…
The useEffect hook behaves similar to componentDidMount, componentDidUpdate, and componentWillUnmount lifecycle hooks combined. It allows you to perform any (side)effects, such as API calls, without blocking the UI render.…
If you want to check if dark-mode is enabled somewhere in your code, you would simply check if `matchMedia` exists on the browser and check if it has `prefers-color-scheme` set to dark.…
How can you clean your data to remove duplicate values from an array? There are many different approaches, and here's two I like for their simplicity and elegance.…
how to capitalize only the first letter in a string, leaving the other characters in their original format…
Accessibility is the practice of making your websites usable by as many people as possible. Learn about WCAG 2.1, Accessibility APIs, Semantic Markup, and Recommended tools for Accessibility Testing.…
Examples of when to use various Redux Saga keywords and techniques such as take, takeLatest, takeEvery, put, and call.…