$ = function() { alert('I am in the $ function'); } JQuery is a very famous JavaScript library and they have decided to put their entire framework inside a function named jQuery. To make it easier …

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 written without …

Dec 8, 2010 · About __func__: "The identifier __func__ is implicitly declared by the translator as if, immediately following the opening brace of each function definition, the declaration: static …

If a function is constructable, it can be called with new, i.e. new User(). If a function is callable, it can be called without new (i.e. normal function call). Functions created through function …

357 Function pointers in C can be used to perform object-oriented programming in C. For example, the following lines is written in C:

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 …

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).

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 …

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 …

466 I have a Python function which takes several arguments. Some of these arguments could be omitted in some scenarios.