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 …
syntax - What does %>% function mean in R? - Stack Overflow
Nov 25, 2014 · I have seen the use of %>% (percent greater than percent) function in some packages like dplyr and rvest. What does it mean? Is it a way to write closure blocks in R?
What's the difference between __PRETTY_FUNCTION__, …
Dec 8, 2010 · The documentation says: constexpr const char* function_name () const noexcept; 6 Returns: If this object represents a position in the body of a function, returns an …
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"); …
__FILE__, __LINE__, and __FUNCTION__ usage in C++
I'm primarily concerned with giving the user misleading data—for example, reporting the incorrect line number or function as a result of optimization—or taking a performance hit as a result. …
Returning multiple values from a C++ function - Stack Overflow
Aug 19, 2015 · Is there a preferred way to return multiple values from a C++ function? For example, imagine a function that divides two integers and returns both the quotient and the …
How do I define a function with optional arguments?
How do I define a function with optional arguments? Asked 13 years, 3 months ago Modified 11 months ago Viewed 1.2m times
How to correctly use the extern keyword in C - Stack Overflow
Jan 31, 2009 · A function which is part of the C library can be replaced in only one module by redefining a prototype with static only in that module. For example, replace any call to malloc …
What exactly are DLL files, and how do they work?
Sep 23, 2008 · How exactly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work. So, what's the deal with them?