Q661. How Virtual DOM works?
The _Virtual DOM_ works in five simple steps. **1. Initial Render** When a UI component renders for the first time, it returns JSX. React uses this structure to create a ...
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Q662. What is the difference between client-side and server-side rendering in Next.js?
Client-side rendering (CSR) means that the browser fetches the JavaScript and renders the page on the client side, while server-side rendering (SSR) means that the server...
Q663. What is the purpose of v-for directive?
The built-in v-for directive allows us to loop through items in an array or object. You can iterate on each element in the array or object. 1. **Array usage:** ```javascr...
Q664. Display distinct cities in ADDRESSES(id, street_name, number, city, state)?
To retrieve a list of unique cities without duplicates from the `ADDRESSES` table, use the **`DISTINCT`** keyword: ```sql SELECT DISTINCT city FROM addresses ORDER BY cit...
Q665. What are the built-in type does Python provides?
There are mutable and Immutable types of Pythons built in types Mutable built-in types List Sets Dictionaries Immutable built-in types Strings Tuples Numbers
Q666. What are void elements in HTML?
**Void elements** (historically called self-closing or empty elements) are HTML elements that **cannot have any child nodes** (neither text nor nested elements) and **mus...
Q667. What is the use of the tsconfig.json file?
The tsconfig.json file is used in TypeScript to configure the compiler options for a project. It allows developers to specify settings such as target version, module syst...
Q668. What are the benefits of pure functions?
Some of the major benefits of pure functions are listed below, - **Easier testing:** Since output depends only on input, pure functions are simple to test. - **Predictabi...
Q669. What is the difference between Shadow DOM and Virtual DOM?
The _Shadow DOM_ is a browser technology designed primarily for scoping variables and CSS in _web components_. The _Virtual DOM_ is a concept implemented by libraries in ...
Q670. What is the Link component in Next.js?
A component for client side navigation between pages. ```jsx import Link from "next/link"; Home About ```