Q1021. What is promise chaining?
The process of executing a sequence of asynchronous tasks one after another using promises is known as Promise chaining. Let's take an example of promise chaining for cal...
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Q1022. How to pretty print JSON with React?
We can use `` tag so that the formatting of the `JSON.stringify()` is retained: ```jsx harmony const data = { name: "John", age: 42 }; function User { return {JSON.string...
Q1023. How do you perform client-side data fetching in Next.js?
Using `useEffect` and fetch or any other data fetching library like `axios`,`fetch` or `swr` by Next.js team. ``` import { useState, useEffect } from "react"; function Pr...
Q1024. What are plugins and their various services?
Plugins provides global-level functionality to Vue application. The plugins provide various services, 1. Add some global methods or properties. For example, vue-custom-el...
Q1025. Which is NOT a DML statement?
Statements such as **`COMMIT`**, **`ROLLBACK`**, **`CREATE`**, **`ALTER`**, and **`DROP`** are **NOT** DML statements: - `COMMIT` and `ROLLBACK` are **TCL (Transaction Co...
Q1026. Do sets, dictionaries and tuples also support comprehensions?
Sets and dictionaries support it. However tuples are immutable and have generators but not comprehensions. Set Comprehension: r={xforxinrange(2,101) ifnotany(x%y==0foryin...
Q1027. Explain the CSS display property and its values.
The CSS display property controls how an element is displayed on a page. The possible values are block, inline, inline-block, none, and others.
Q1028. What is promise.all?
`Promise.all()` is a built-in JavaScript method used to handle multiple asynchronous operations together. It accepts an iterable of promises (usually an array) and return...
Q1029. Why can't you update props in React?
The React philosophy is that props should be _immutable_(read only) and _top-down_. This means that a parent can send any prop values to a child, but the child can't modi...
Q1030. How do you set up GraphQL in Next.js?
By installing Apollo Client or any other GraphQL client and configuring it in the \_app.js file. ```bash npm install @apollo/client graphql yarn add @apollo/client graphq...