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 __func__[] = "function-name"; appeared, where function-name is the name of the lexically-enclosing function. This name is the unadorned name of the ...
1 answer 139 views How to modify a Python function to handle one, several, or all parameters in a dictionary I want to setup an environment in a Jupyter notebook where parameters are stored in a dictionary parValue and where you can change values of one or several parameters with a function par(), while ... python python-3.x
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 of commands which can be executed in order. In most programming languages, even functions can have a set of commands. Hence the difference is only returning a value. But if you like to keep a function clean, (just look at ...
18 Generally speaking, the terms parameter and argument are used interchangeably to mean information that is passed into a function. Yet, from a function's perspective: A parameter is the variable listed inside the parentheses in the function definition. An argument is the value that is sent to the function when it is called.
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.
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 works is that it is a function that is " called at the back " of the function it is passed into. Maybe a better name would be a "call after" 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 remainder. One way I common...
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 / expressions are both constructable and callable. Arrow functions (and methods) are only callable. class constructors are only ...
