Q721. In Python what is slicing?
**Slicing** is a Python mechanism for extracting a sub-sequence from a sequence data type (such as a `list`, `tuple`, or `str`) using extended indexing notation: ### Synt...
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Q722. What would happen if there is no text between the HTML tags?
There would be nothing to format if there is not text present between the tags. Therefore, nothing will appear on the screen. Tags without closing tag like `` do not requ...
Q723. Explain generics in TypeScript.
Generics in TypeScript enable you to create reusable code that can work with different data types. They act as placeholders for types and provide flexibility without sacr...
Q724. How do you decode or encode a URL in JavaScript?
`encodeURI()` function is used to encode an URL. This function requires a URL string as a parameter and return that encoded string. `decodeURI()` function is used to deco...
Q725. What are Higher-Order Components?
A _higher-order component_ (_HOC_) is a function that takes a component and returns a new enhanced component with additional props, behavior, or data. It’s a design patte...
Q726. What is the difference between push and replace in useRouter?
The `push` method adds a new entry to the browser's history stack, while `replace` replaces the current entry in the history stack. ```jsx const router = useRouter(); // ...
Q727. What are the caveats of array changes detection?
Vue cannot detect changes for the array in the below two cases, 1. When you directly set an item with the index,For example, ```javascript vm.todos[indexOfTodo] = newTodo...
Q728. Details of students whose FirstName starts with 'K'?
To find records where a text column begins with a specific letter or prefix, use the **`LIKE`** operator with the `%` wildcard: ```sql SELECT * FROM Students WHERE FirstN...
Q729. What are generators in Python?
Generators are functions that return an iterable collection of items, one at a time, in a set manner. Generators, in general, are used to create iterators with a differen...
Q730. What is the purpose of <head> tag?
The `` tag in HTML is used to provide metadata about document, such as title of page, links and other information that is not directly displayed on the web page. This inf...