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ASP.NET MVC return empty view

... You can also just return null. ASP.NET will detect the return type null and will return an EmptyResult for you. public ActionResult Empty() { return null; } See MSDN documentation for ActionResult for list of ActionResult types you can return. ...
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Outputting data from unit test in python

...ery late answer for someone that, like me, comes here looking for a simple and quick answer. In Python 2.7 you could use an additional parameter msg to add information to the error message like this: self.assertEqual(f.bar(t2), 2, msg='{0}, {1}'.format(t1, t2)) Offical docs here ...
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How to create a GUID/UUID in Python

... The uuid module, in Python 2.5 and up, provides RFC compliant UUID generation. See the module docs and the RFC for details. [source] Docs: Python 2: http://docs.python.org/2/library/uuid.html Python 3: https://docs.python.org/3/library/uuid.html E...
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Android Closing Activity Programmatically

...ity.finish() method (quoting) : Call this when your activity is done and should be closed. share | improve this answer | follow | ...
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Hidden Features of C++? [closed]

... that it can be used as an lvalue: (a == 0 ? a : b) = 1; which is shorthand for if (a == 0) a = 1; else b = 1; Use with caution :-) share edited Jan 7 '09 at 21:...
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How to detect online/offline event cross-browser?

...to accurately detect when the browser goes offline, using the HTML5 online and offline events. 14 Answers ...
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What is the difference between Collections.emptyList() and Collections.EMPTY_LIST

In Java, we have Collections.emptyList() and Collections.EMPTY_LIST . Both have the same property: 4 Answers ...
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What are markers in Java Logging frameworks and what is a reason to use them?

...d triggering in the logback documentation. You may also combine log levels and markers for triggering. Filtering: Markers are very useful for making certain valuable log statements stand out. For example, you can color/mark all your persistence related logs (in various and multiple class files) wi...
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Clicking the back button twice to exit an activity

I've noticed this pattern in a lot of Android apps and games recently: when clicking the back button to "exit" the application, a Toast comes up with a message similar to "Please click BACK again to exit". ...
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Pull remote branch into local repo with different name?

... Note - you have to have run git fetch remote2 beforehand, if not done yet. Otherwise you may see > fatal: Cannot update paths and switch to branch 'myBranchName' at the same time. – dman Jan 26 '16 at 1:38 ...