How do you view a stored function or procedure? Say I have an old function without the original definition - I want to see what it is doing in pg/psql but I can't seem to figure out a way to do tha...

I need help with this following counting sort implementation. Is it because value of x can be too big? I am getting segmentation fault. This is what gdb says: Program received signal SIGSEGV, Segm...

What is useful about this C syntax — using 'K&R' style function declarations? int func (p, p2) void* p; int p2; { return 0; } I was able to write this in Visual Studios 2010beta // yes, ...

I've recently noticed something interesting when looking at Python 3.3 grammar specification: funcdef: 'def' NAME parameters ['->' test] ':' suite The optional 'arrow' block was absent in Pytho...

I need to swap the values of 2 arrays in a function. The problem is I can change anything in the main, just the function itself. It should recive 2 integer arrays, and swap those. The problem is, t...

I'm more like C++ than C, but this simple example of code is big surprise for me: int foo() { return 3; } int main() { int x; foo(&x); return x; } https://godbolt.org/z/4ov9nTzjM No warni...

My fuctions for insert and display look like below: int push_front( Node **head, int rollnumber, int src, int dst, double gentime ) { Node *new_node = malloc( sizeof( Node ) ); int success = new_...

Let's say I have the following function in Haskell: compose2 = (.) . (.) How would I go about finding the type of this function? Because of the multiple compositions I get stuck trying to determine...

I read that the extern keyword is implicit in the context of functions, so unless you specify otherwise using the static keyword (which if I'm not mistaken is basically a completely separate concep...

I know that you can declare a function without any arguments simply like this: void test() { cout << "Hello world!!" << endl; } But I have also seen void test(void) { cout ...

I would like to define a series of functions dynamically in ZSH. For example: #!/bin/zsh for action in status start stop restart; do $action() { systemctl $action $* } done However, this res...

I have found the following python function definition: def reverseString(self, s: 'List[str]') -> 'None': I don't quite understand 'List[str]' and -> 'None'. I have found that the arr...

How can I know whether to use def, cdef or cpdef when defining a Cython function, assuming I want optimal performance?

We include header files like stdio.h in our C programs to use the built-in library functions. I once used to think that these header files contained the function definitions of the built-in functio...

I've asked a question here about whether taking the address of a function forces the compilation of said function specifically with regard to Substitution-Failure-Is-Not-An-Error. The most direct a...

From what I gather from this answer, a constexpr function's result is not a constant-expression if the function has not been declared yet. What surprises me is the following code snippet : constex...

There are many question about this error. But they are related to only a single variable. test.h namespace World { enum Objects { TERRAIN = 1, BOX = 2, SPHERE = 4, CAPSULE = 8 }; void ...

I'm trying to declare a pointer and pass that pointer to a function where memory is allocated. Here is a minimal example: #include <string> #include <iostream> using namespace std; v...

i tried to write 3-4 where statement in a one function but i get error and couldnt do it , i tried to do something like that : foo x= | x == foo1 = 5 | x == foo2 =3 | x == foo3 =1 | otherwise =2 ...