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What does yield mean in PHP?

...n is effectively a more compact and efficient way to write an Iterator. It allows you to define a function (your xrange) that will calculate and return values while you are looping over it: foreach (xrange(1, 10) as $key => $value) { echo "$key => $value", PHP_EOL; } This would create t...
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What does the @ symbol represent in objective-c?

...structs. The major exceptions are id, Class, nil, and Nil, which are generally treated as language keywords even though they may also have a typedef or #define behind them. For example, the compiler actually does treat id specially in terms of the pointer type conversion rules it applies to declar...
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How to create an installer for a .net Windows Service using Visual Studio

How do I create an installer for a Windows Service that I have created using Visual Studio? 5 Answers ...
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Implementing comparison operators via 'tuple' and 'tie', a good idea?

(Note: tuple and tie can be taken from Boost or C++11.) When writing small structs with only two elements, I sometimes tend to choose a std::pair , as all important stuff is already done for that datatype, like operator< for strict-weak-ordering. The downsides though are the pretty much us...
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What do the arrow icons in Subclipse mean?

...→ Ignored Resources. - A file not under version control. These are typically new files that you have not committed to the repository yet. - A versioned file that needs to be added to the remote repository. These are typically files you have either renamed, or moved to a different directory. - A...
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Close Window from ViewModel

Im creating a Login using a window control to allow a user to login into a WPF application that I am creating. 17 Answ...
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Difference between document.addEventListener and window.addEventListener?

...o events destined for a different object. You should use the one that actually has the event you are interested in. For example, there is a "resize" event on the window object that is not on the document object. For example, the "DOMContentLoaded" event is only on the document object. So basical...
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Calculating sum of repeated elements in AngularJS ng-repeat

...to this is that it iterates over the collection twice. this is fine for small collections, but what if the collection is rather large? it seems like in ng-repeat there should be a way to have a running sum on a given object field. – icfantv Aug 6 '14 at 16:14...
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How do I enable TODO/FIXME/XXX task tags in Eclipse?

In all my years of using Eclipse, I never knew until now that TODO / FIXME / XXX comment tags are supposed to appear in the task list. Apparently this is something that is disabled by default because I have been using those tags for as long as I've been using Eclipse and I have never seen one of the...
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File I/O in Every Programming Language [closed]

This has to be a common question that all programmers have from time to time. How do I read a line from a text file? Then the next question is always how do i write it back. ...