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Best way to unselect a in jQuery?

...tr $("select option").prop("selected", false); You can see it run a self-test here. Tested on IE 7/8/9, FF 11, Chrome 19. share | improve this answer | follow ...
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Debug code-first Entity Framework migration codes

... hit a break point in a db migration set the context to MigrateDatabaseToLatestVersion on initialise. Database.SetInitializer(new MigrateDatabaseToLatestVersion<EnterContextHere, Configuration>()); Then you just debug as normal (run using f5) and the breakpoint will hit the first time you r...
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Using Default Arguments in a Function

... ReflectionFunction('foo'))->getParameters()[1]->getDefaultValue(), 'test'); Whether you would want to do so is another story :) UPDATE: The reasons to avoid this solution are: it is (arguably) ugly it has an obvious overhead. as the other answers proof, there are alternatives But it can a...
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Check if a String contains numbers Java

... Pattern p = Pattern.compile("(([A-Z].*[0-9])"); Matcher m = p.matcher("TEST 123"); boolean b = m.find(); System.out.println(b); share | improve this answer | follow ...
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What is a stack trace, and how can I use it to debug my application errors?

...bility to manipulate stack trace information. Standard behavior: package test.stack.trace; public class SomeClass { public void methodA() { methodB(); } public void methodB() { methodC(); } public void methodC() { throw new RuntimeException(); } ...
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Why use strict and warnings?

... separator. use strict 'subs'; Consider two programs # prog 1 $a = test_value; print "First program: ", $a, "\n"; sub test_value { return "test passed"; } Output: First program's result: test_value # prog 2 sub test_value { return "test passed"; } $a = test_value; print "Sec...
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Label encoding across multiple columns in scikit-learn

... a pipeline e.g. separate fit and transform (fit on train, and then use on test-set --> re-use the learnt dictionary) is this supported with df.apply(LabelEncoder().fit_transform)? – Georg Heiler Sep 14 '16 at 9:25 ...
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How to get everything after last slash in a URL?

... rsplit should be up to the task: In [1]: 'http://www.test.com/page/TEST2'.rsplit('/', 1)[1] Out[1]: 'TEST2' share | improve this answer | follow ...
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How do I get the name of the current executable in C#?

... AppDomain can be a EXE application, Web application, Unit test application, Addin Visual Studio, and "Silverlight App"(?). Maybe interesting full solution for all cases. For example, for Unit Test VS2012 - ProcessName: vstest.executionengine.x86 MainModule.FileName: C...
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What does the '.' (dot or period) in a Go import statement do?

... This should only be used in testing. Here is some documentation in golang's wiki If you've generated some mock code such as with mockgen and it imports your package code, and then your testing package also imports your package code, you get a circular...