
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 29, 2023 · 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 purpose of a self executing function in javascript?
Mar 3, 2015 · 508 It's all about variable scoping. Variables declared in the self executing function are, by default, only available to code within the self executing function. This allows code to be …
How to use the tryCatch () function? - Stack Overflow
Note that these functions, unlike tryCatch(), are expected to wrap a function, not an expression, and they return a modified function. For OP's problem as stated, we would probably use …
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 …
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 …
How do function pointers in C work? - Stack Overflow
May 8, 2009 · 356 Function pointers in C can be used to perform object-oriented programming in C. For example, the following lines is written in C: String s1 = newString(); s1->set(s1, "hello"); …
What is the Oracle equivalent of SQL Server's IsNull() function?
Aug 19, 2010 · 160 coalesce is supported in both Oracle and SQL Server and serves essentially the same function as nvl and isnull. (There are some important differences, coalesce can take …
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?
Passing parameters to a Bash function - Stack Overflow
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 …