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  1. 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 …

  2. 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 …

  3. 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 …

  4. what is the difference between function declaration and signature?

    A function signature is the parts of the function declaration that the compiler uses to perform overload resolution. Since multiple functions might have the same name (ie., they're …

  5. 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: String s1 = newString(); s1->set(s1, "hello"); Yes, …

  6. javascript - Are 'Arrow Functions' and 'Functions' equivalent ...

    When to use arrow function and when not: Don't use to add function as a property in object literal because we can not access this. Function expressions are best for object methods. Arrow …

  7. 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 …

  8. ERROR: function ... does not exist and HINT: No function matches …

    LINE 1: select f(1); ^ HINT: No function matches the given name and argument types. You might need to add explicit type casts. because there is no f() function that takes an integer as …

  9. 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() …

  10. c - Function pointer as an argument - Stack Overflow

    Nov 24, 2009 · Is it possible to pass a function pointer as an argument to a function in C? If so, how would I declare and define a function which takes a function pointer as an argument?