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  1. 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 …

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

    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 …

  3. 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).

  4. What is the difference between a "function" and a "procedure"?

    Apr 6, 2009 · A function returns a value and a procedure just executes commands. The name function comes from math. It is used to calculate a value based on input. A procedure is a set …

  5. 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 = …

  6. How to pass a function as a parameter in Java? [duplicate]

    More answers on how to use a Lambda function, or pass it as a parameter: simple example parameter as a function java.

  7. Returning multiple values from a C++ function - Stack Overflow

    Aug 19, 2015 · Is there a preferred way to return multiple values from a C++ function? For example, imagine a function that divides two integers and returns both the quotient and the …

  8. How can I declare optional function parameters in JavaScript?

    Oct 9, 2012 · Can I declare default parameter like function myFunc( a, b=0) { // b is my optional parameter } in JavaScript?

  9. Static variable inside of a function in C - Stack Overflow

    A static variable (whether inside a function or not) is initialized exactly once, before any function in that translation unit executes. After that, it retains its value until modified.

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

    58 Your function has a couple of smallint parameters. But in the call, you are using numeric literals that are presumed to be type integer. A string literal or string constant ('123') is not …