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  1. javascript - What does $ (function () {} ); do? - Stack Overflow

    A function of that nature can be called at any time, anywhere. jQuery (a library built on Javascript) has built in functions that generally required the DOM to be fully rendered before being called.

  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. 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?

  4. 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 …

  5. 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 …

  6. 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 …

  7. Create new column based on values from other columns / apply a …

    Pass the function itself (don't write parentheses after the name) to .apply, and specify axis=1 (meaning to supply rows to the categorizing function, so as to compute a column - rather than …

  8. javascript - Are 'Arrow Functions' and 'Functions' equivalent ...

    When to use arrow function and when not: Don't use to add function as a property in object literal because we can not access this. Function expressions are best for object methods. Arrow …

  9. How do function pointers in C work? - Stack Overflow

    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"); Yes, …

  10. How to freeze the =today() function once data has been entered

    Aug 2, 2015 · The TODAY function is volatile and recalculates on every calculation cycle in the workbook. If you want a timestamp look towards a VBA Worksheet_Change event macro that …