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 declarations / …
What's the difference between __PRETTY_FUNCTION__, …
8 Noll 2010 · 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 const char …
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.
What is a callback function? - Stack Overflow
5 Beal 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 callback function …
ERROR: function ... does not exist and HINT: No function matches the ...
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 argument. So you …
How do I define a function with optional arguments?
466 I have a Python function which takes several arguments. Some of these arguments could be omitted in some scenarios.
Returning multiple values from a C++ function - Stack Overflow
19 Lún 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 remainder. One …
How to return a result from a VBA function - Stack Overflow
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 = Range("A1").Value, where …
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:
How can I declare optional function parameters in JavaScript?
9 DFómh 2012 · Can I declare default parameter like function myFunc( a, b=0) { // b is my optional parameter } in JavaScript?