Correction suggested by Guffa: The function is executed right after it's created, not after it is parsed. The entire script block is parsed before any code in it is executed. Also, parsing code …

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 …

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 = …

Is it possible to pass functions with arguments to another function in Python? Say for something like: def perform (function): return function () But the functions to be passed will have argume...

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

Oct 1, 2008 · 18 Generally speaking, the terms parameter and argument are used interchangeably to mean information that is passed into a function. Yet, from a function's …

Note that these functions, unlike tryCatch(), are expected to wrap a function, not an expression, and they return a modified function. For OP's problem as stated, we would probably use …

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 …