
What is the purpose of a self executing function in javascript?
Actually, the above function will be treated as function expression without a name. The main purpose of wrapping a function with close and open parenthesis is to avoid polluting the global …
Defining and calling function in one step - Stack Overflow
Dec 30, 2015 · Is there a way in Javascript to define a function and immediately call it, in a way that allows it to be reused? I know you can do one-off anonymous functions: (function(i) { var …
How do function pointers in C work? - Stack Overflow
357 Function pointers in C can be used to perform object-oriented programming in C. For example, the following lines is written in C:
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 does the exclamation mark do before the function?
function foo() {} Note that there’s no semicolon; this is just a function declaration. You would need an invocation, foo(), to actually run the function. Now, when we add the seemingly innocuous …
Passing parameters to a Bash function - Stack Overflow
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 …
Functions that return a function: what is the difference between ...
Calling the function with () in a return statement executes the function, and returns whatever value was returned by the function. It is similar to calling var x = b();, but instead of assigning the …
Define a function within another function in JavaScript
I have a function whose structure is similar to the above. I want to abstract task 3 into a function, bar(), but I wish to limit the access of this function to only within the scope of foo(a).
How can I return two values from a function in Python?
32 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 = …
Why use named function expressions? - Stack Overflow
Mar 11, 2013 · Using named function expressions is better, when you want to be able to reference the function in question without having to rely on deprecated features such as arguments.callee.