What these functions do is that when the function is defined, The function is immediately called, which saves time and extra lines of code (as compared to calling it on a seperate line).

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?

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 …

Jun 2, 2011 · 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 …

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 …

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 …

May 15, 2015 · I'm running an example in R, going through the steps and everything is working so far except for this code produces an error: words <- dtm %>% as.matrix %>% …

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 …

I would like to return two values from a function in two separate variables. What would you expect it to look like on the calling end? You can't write a = select_choice(); b = select_choice() …

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.