What is the difference between a "function" and a "procedure"?
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
What is the difference between a function and a subroutine?
A function is outside the namespace of the rest of the program. It is like a separate program that can have the same variable names as used in the calling program, and whatever it does to
ERROR: function does not exist and HINT: No function
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
javascript
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
Returning multiple values from a C++ function
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
What''s the difference between __PRETTY_FUNCTION__,
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
What is the purpose of a self executing function in javascript?
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
How do function pointers in C work?
357 Function pointers in C can be used to perform object-oriented programming in C. For example, the following lines is written in C:
What is a callback function?
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
Passing parameters to a Bash function
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