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.

How should I use array of function pointers in C? How can I initialize them?

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

See Python PEP 8: Function and Variable Names: Function names should be lowercase, with words separated by underscores as necessary to improve readability. Variable names follow …

In the snippet above, the setTimeout function takes 2 arguments, the callback function and a minimum time in ms for the function to be called, so when passing the callback function we're …

When called within VBA the function will return a range object, but when called from a worksheet it will return just the value, so set test = Range("A1") is exactly equivalent to test = …

That standard library function pow has several drawbacks: relatively slow not compatible with physical quantities libraries like mp-units not exact not very readable not adapted to integers. …

I get this error, but I don't know how to fix it. I'm using Visual Studio 2013. I made the solution name MyProjectTest This is the structure of my test solution: -function.h #ifndef …

In a functional language, you could pass in the mass of the earth to the function and then partially evaluate it. What you'd get back is another function that takes only two arguments and …

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 = …