Q71. What is Intersection types in TypeScript?
Intersection types allow you to combine multiple types into a single type that has all the properties and methods of each constituent type. It is denoted by the "&" symbo...
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Q72. How do you handle environment variables in Next.js?
Next.js has built-in support for environment variables managed through `.env` files with strict client/server boundary isolation: ### File Priority Hierarchy: 1. `.env.de...
Q73. What are key modifiers?
Vue supports key modifiers on `v-on` for handling keyboard events. Let's take an example of keyup event with enter keycode. ```html ``` Remembering all the key codes is r...
Q74. What is the difference between HTML tag and HTML element?
HTML tag is just opening or closing entity. For example `` and `` are called HTML tags. HTML element consists of opening tag, closing tag and content(optional for content...
Q75. What is Union types in TypeScript?
Union types allow you to define a type that can hold values of multiple types. It is denoted by the "|" symbol. ``` type UnionType = string | number; let val: UnionType; ...
Q76. What is the default port for a Next.js app?
By default, Next.js runs on **port 3000** for both the development server (`next dev`) and production server (`next start`). When you launch `npm run dev`, you can access...
Q77. How do you define custom key modifier aliases?
You can define custom key modifier aliases via the global `config.keyCodes`. There are few guidelines for the properties 1. You can't use camelCase. Instead you can use k...
Q78. Mention what are the rules for local and global variables in Python?
Local variables: If a variable is assigned a new value anywhere within the function's body, it's assumed to be local. Global variables: Those variables that are only refe...
Q79. How do you change the color of bullets?
The color of the bullet is always the color of the first text of the list. So, if we can change the color of the bullets by changing the color of the text.
Q80. How to change default port for a Next.js app?
You can change the port used by Next.js using several straightforward approaches: ### 1. In `package.json` Scripts (Recommended): Pass the `-p` (or `--port`) flag in your...