May 5, 2009 · A callback function, also known as a higher-order function, is a function that is passed to another function as a parameter, and the callback function is called (or executed) inside the parent …

Mar 7, 2012 · 99 How to explain callbacks in plain English? In plain English, a callback function is like a Worker who "calls back" to his Manager when he has completed a Task. How are they different from …

Sep 27, 2008 · A callback in C is a function that is provided to another function to "call back to" at some point when the other function is doing its task. There are two ways that a callback is used: …

Dec 27, 2009 · A callback is the building block of asynchronous processing. Think of it this way: when you call someone and they don't answer, you leave a message and your phone number. Later on, …

Jan 26, 2010 · A callback can be implemented as a delegate to a method, but you could equally say that passing an object that supports a callback method on its interface is a callback.

Jul 21, 2011 · A callback is a hook into the code that is executing to allow you to provide customised features at known points in the process. It allows for generalised control structures to perform …

Jan 5, 2012 · Possible Duplicate: What is a callback function? I have read the wikipedia definition of a callback but I still didn't get it. Can anyone explain me what a callback is, especially the following line …

1) What is a "callback hell" for someone who does not know javascript and node.js ? This other question has some examples of Javascript callback hell: How to avoid long nesting of asynchronous functions …

A callback is a function provided by the consumer of an API that the API can then turn around and invoke (calling you back). If I setup a Dr.'s appointment, I can give them my phone number, so they …

The following code defines a class CallBack that has two callback methods (functions) my_callback_sum and my_callback_multiply. The callback methods are fed into the method foo.