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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. What's the difference between __PRETTY_FUNCTION__, …

    Dec 29, 2023 · About __func__: "The identifier __func__ is implicitly declared by the translator as if, immediately following the opening brace of each function definition, the declaration: static …

  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. ES6 immediately invoked arrow function - Stack Overflow

    Jan 4, 2016 · In normal scripts, the value would be discarded, but here, the code must be internally mangled (like wrapping the entire statement with a function context and a return …

  5. How can I specify the function type in my type hints?

    Jun 15, 2016 · How can I specify the type hint of a variable as a function type? There is no typing.Function, and I could not find anything in the relevant PEP, PEP 483.

  6. 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 …

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

    If a function is constructable, it can be called with new, i.e. new User(). If a function is callable, it can be called without new (i.e. normal function call). Functions created through function …

  8. 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 …

  9. How can I return two values from a function in Python?

    32 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 = …

  10. JavaScript error: "is not a function" - Stack Overflow

    It was attempted to call a value like a function, but the value is not actually a function. Some code expects you to provide a function, but that didn't happen.