Q51. What is unit test in Python?
A unit testing framework in Python is known as unittest. It supports sharing of setups, automation testing, shutdown code for tests, aggregation of tests into collections...
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Q52. What are the array detection non-mutation methods?
The methods which do not mutate the original array but always return a new array are called non-mutation methods. Below are the list of non-mutation methods, 1. filter() ...
Q53. 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...
Q54. 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...
Q55. 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...
Q56. 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...
Q57. Explain the concept of type guards in TypeScript.
Type guards in TypeScript are checks that help determine the type of a variable. They help TypeScript understand the specific type of the variable, making your code safer...
Q58. How do you navigate programmatically in Next.js?
Using useRouter() hook. ```jsx const router = useRouter(); function handleClick() { router.push(`/path`); } Go There; jsx router.push(href: string, { scroll: boolean }) `...
Q59. What are the caveats of object changes detection?
Vue cannot detect changes for the object in property addition or deletion. Lets take an example of user data changes, ```javascript var vm = new Vue({ data: { user: { nam...
Q60. What is the purpose of the <meta> tag in HTML?
The `` tag is used to provide additional information about the webpage, such as author, keywords, description which is used by search engines to understand the content of...