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  1. 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?

  2. iife - What is the (function () { } ) () construct in JavaScript ...

    This means that in your example you are instantiating a new obiect defined by it's constructor (anonymous function expression) and it's invoked via the new operator, not by calling the …

  3. What does the exclamation mark do before the function?

    Mar 15, 2023 · (function(){})(); Lastly, ! makes the expression return a boolean based on the return value of the function. Usually, an immediately invoked function expression (IIFE) doesn’t …

  4. 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 …

  5. 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 …

  6. 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 …

  7. 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 …

  8. How can I solve the error LNK2019: unresolved external symbol

    I get this error, but I don't know how to fix it. I'm using Visual Studio 2013. I made the solution name MyProjectTest This is the structure of my test solution: -function.h #ifndef …

  9. How to apply custom function to pandas data frame for each row

    Nov 1, 2016 · I want to apply a custom function and create a derived column called population2050 that is based on two columns already present in my data frame. import pandas …

  10. Defining and calling function in one step - Stack Overflow

    Dec 30, 2015 · Is there a way in Javascript to define a function and immediately call it, in a way that allows it to be reused? I know you can do one-off anonymous functions: (function(i) { var …