javascript - What does $ (function () {} ); do? - Stack Overflow
A function of that nature can be called at any time, anywhere. jQuery (a library built on Javascript) has built in functions that generally required the DOM to be fully rendered before being called.
What is the purpose of a self executing function in javascript?
Mar 3, 2015 · 508 It's all about variable scoping. Variables declared in the self executing function are, by default, only available to code within the self executing function. This allows code to be …
How do function pointers in C work? - Stack Overflow
May 8, 2009 · 356 Function pointers in C can be used to perform object-oriented programming in C. For example, the following lines is written in C: String s1 = newString(); s1->set(s1, "hello"); …
python - What is print (f"...") - Stack Overflow
Jul 22, 2019 · A formatted string literal or f-string is a string literal that is prefixed with f or F. These strings may contain replacement fields, which are expressions delimited by curly braces …
What does the "at" (@) symbol do in Python? - Stack Overflow
Jun 17, 2011 · An @ symbol at the beginning of a line is used for class and function decorators: PEP 318: Decorators Python Decorators - Python Wiki The most common Python decorators …
Using "If cell contains #N/A" as a formula condition.
Jan 7, 2014 · I need help on my Excel sheet. How can I declare the following IF condition properly? if A1 = "n/a" then C1 = B1 else if A1 != "n/a" or has value(int) then C1 = A1*B1
python - What do *args and **kwargs mean? - Stack Overflow
Putting *args and/or **kwargs as the last items in your function definition’s argument list allows that function to accept an arbitrary number of arguments and/or keyword arguments.
How can I access the index value in a 'for' loop? - Stack Overflow
Python's enumerate function reduces the visual clutter by hiding the accounting for the indexes, and encapsulating the iterable into another iterable (an enumerate object) that yields a two …
Excel: Searching for multiple terms in a cell - Stack Overflow
Feb 11, 2013 · 3 In addition to the answer of @teylyn, I would like to add that you can put the string of multiple search terms inside a SINGLE cell (as opposed to using a different cell for …
python - Remove all whitespace in a string - Stack Overflow
Oct 1, 2016 · I want to eliminate all the whitespace from a string, on both ends, and in between words. I have this Python code: def my_handle(self): sentence = ' hello apple ' sentence.strip() …