Q161. Is there a way to remove the last object from a list?
Yes, there is. Try running the following piece of code- ```python >>> list=[1,2,3,4,5 ``` >>> list.pop(–1) 5 ```python >>> list ``` [1, 2, 3, 4]
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Q162. How does React Fiber works? Explain in detail.
React Fiber is the **core engine** that enables advanced features like **concurrent rendering**, **prioritization**, and **interruptibility** in React. Here's how it work...
Q163. Explain the uses of the modules sqlite3, ctypes, pickle, traceback, and itertools.
sqlite3- Helps with handling databases of type SQLite ctypes- Lets create and manipulate C data types in Python pickle- Lets put any data structure to external files trac...
Q164. What are metaclasses in Python?
A metaclass is the class of a class. A class def ines how an instance of the class (i.e. an object) behaves while a metaclass def ines how a class behaves. A class is an ...
Q165. What is GIL?
Python has a construct called the Global Interpreter Lock (GIL). The GIL makes sure that only one of your 'threads' can execute at any one time. A thread acquires the GIL...
Q166. Why Python (CPython and others) uses the GIL?
In CPython, the global interpreter lock, or GIL, is a mutex that prevents multiple native threads from executing Python bytecodes at once. This lock is necessary mainly b...
Q167. What is Concurrent Rendering? (Legacy)
The Concurrent rendering makes React apps to be more responsive by rendering component trees without blocking the main UI thread. It allows React to interrupt a long-runn...
Q168. What are tasks in event loop?
A task is any javascript code/program which is scheduled to be run by the standard mechanisms such as initially starting to run a program, run an event callback, or an in...
Q169. What is microtask?
A microtask is a type of JavaScript callback that is scheduled to run immediately after the currently executing script and before the next event loop tick. Microtasks are...
Q170. What are different event loops?
In JavaScript, there are multiple event loops that can be used depending on the context of your application. The most common event loops are: 1. The Browser Event Loop 2....