
syntax - What does %>% function mean in R? - Stack Overflow
Nov 25, 2014 · I have seen the use of %>% (percent greater than percent) function in some packages like dplyr and rvest. What does it mean? Is it a way to write closure blocks in R?
What's the difference between __PRETTY_FUNCTION__, …
Dec 8, 2010 · 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 …
what is the difference between function declaration and signature?
A function signature is the parts of the function declaration that the compiler uses to perform overload resolution. Since multiple functions might have the same name (ie., they're …
language agnostic - What is a callback function? - Stack Overflow
May 5, 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 …
ERROR: function ... does not exist and HINT: No function matches …
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 …
How can I declare optional function parameters in JavaScript?
Oct 9, 2012 · Can I declare default parameter like function myFunc( a, b=0) { // b is my optional parameter } in JavaScript?
What is the difference between a "function" and a "procedure"?
Apr 6, 2009 · 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 …
r - Error: could not find function "%>%" - Stack Overflow
May 15, 2015 · For the meaning of the operator %>% you might want to consider this question: What does %>% function mean in R? Note that the same operator would also work with the …
javascript - What is 'Currying'? - Stack Overflow
Currying is when you break down a function that takes multiple arguments into a series of functions that each take only one argument. Here's an example in JavaScript: function add (a, …
Returning multiple values from a C++ function - Stack Overflow
Aug 19, 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 …