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  1. 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.

  2. 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 …

  3. What is "function*" in JavaScript? - Stack Overflow

    Mar 8, 2012 · 12 The function* type looks like it acts as a generator function for processes that can be iterated. C# has a feature like this using "yield return" see 1 and see 2 Essentially this …

  4. What's the difference between __PRETTY_FUNCTION__, …

    Dec 8, 2010 · 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 …

  5. How can I specify the function type in my type hints?

    Jun 15, 2016 · How can I specify the type hint of a variable as a function type? There is no typing.Function, and I could not find anything in the relevant PEP, PEP 483.

  6. How can I return two values from a function in Python?

    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() …

  7. JavaScript error: "is not a function" - Stack Overflow

    It was attempted to call a value like a function, but the value is not actually a function. Some code expects you to provide a function, but that didn't happen.

  8. Function for factorial in Python - Stack Overflow

    Feb 27, 2011 · The easiest way is to use math.factorial (available in Python 2.6 and above): import math math.factorial(1000) If you want/have to write it yourself, you can use an iterative …

  9. How do I define a function with optional arguments?

    0 A Python function can take in some arguments, take this for example, def add(x,y): return x+ y # calling this will require only x and y add(2,3) # 5 If we want to add as many arguments as we …

  10. language agnostic - What is a callback function? - Stack Overflow

    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 …