Callback - Wikipedia, the free encyclopedia
Callback can mean: • Callback (computer science), executable code that is passed as a parameter to other code • Callback (telecommunications), the telecommunications event that occurs when the origin...
en.wikipedia.org/wiki/Callback
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Callback (telecommunications) - Wikipedia, the free encyclopedia
In telecommunications, a callback (also written as call-back ) occurs when the originator of a call is immediately called back in a second call as a response. A callback in this sense is a method ...
en.wikipedia.org/wiki/Callback_(telecommunications)
Callback (computer science) - Wikipedia, the free encyclopedia
Source
In computer programming, a callback is executable code that is passed as an argument to other code. It allows a lower-level software layer to call a subroutine (or function) defined in a higher-leve...
en.wikipedia.org/wiki/Callback_(computer_science)
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The behavior of this function is almost identical to preg_replace(), except for the fact that instead of replacement parameter, one should specify a callback .
www.php.net/preg_replace_callback www.php.net/preg_replace_callback
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A callback might be used for simple notification, two-way communication, or to distribute work in a process. For instance an application developer might want to have a Button component in a GUI library call an application-specific object when clicked upon.
www.tutok.sk/fastgl/callback.html www.tutok.sk/fastgl/callback.html
public interface Callback ... Callback implementations do not retrieve or display the information requested by underlying security services. Callback implementations simply provide the means to pass such requests to applications, and for applications, if appropriate, to return requested information back to the...
java.sun.com/j2se/1.5.0/docs/api/javax/security/auth/ca... java.sun.com/j2se/1.5.0/docs/api/javax/security/auth/callback/Callback.html
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