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 …

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?

Dec 29, 2023 · The identifier __func__ is implicitly declared by the translator as if, immediately following the opening brace of each function definition, the declaration static const char …

May 5, 2009 · A callback function is a function which is: accessible by another function, and is invoked after the first function if that first function completes A nice way of imagining how a …

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"); …

I would like to return two values from a function in two separate variables. What would you expect it to look like on the calling end? You can't write a = select_choice(); b = select_choice() …

Aug 19, 2008 · A Lambda Function, or a Small Anonymous Function, is a self-contained block of functionality that can be passed around and used in your code. Lambda has different names in …

Jun 2, 2011 · I am trying to search how to pass parameters in a Bash function, but what comes up is always how to pass parameter from the command line. I would like to pass parameters …

When called within VBA the function will return a range object, but when called from a worksheet it will return just the value, so set test = Range("A1") is exactly equivalent to test = …

Jul 14, 2016 · The third argument of the callback function exposes the array on which map was called upon The second argument of Array.map() is a object which will be the this value for the …