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How to create a temporary directory/folder in Java?

... If you need a temporary directory for testing and you are using jUnit, @Rule together with TemporaryFolder solves your problem: @Rule public TemporaryFolder folder = new TemporaryFolder(); From the documentation: The TemporaryFolder Rule allows creation of...
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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]

... This test actually fails in chrome (and likely all webkit) because a nonexistent attribute in those browsers returns 'false' instead of undefined. karim79 is soooo close, but this will work better: $.fn.hasAttr = function(attr) { ...
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How can I pass a member function where a free function is expected?

... char * argv[]) { ... aClass a; auto fp = std::bind(&aClass::test, a, _1, _2); function1(fp); return 0; } share | improve this answer | follow ...
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What are JavaScript's builtin strings?

..., strings "1", and discovered one beautiful method of RegExp object called test(). Its name can be assembled from all available characters, e.g. "t" and "e" from true, and "s" from false. I have created a string "test" and addressed this method using square brackets notation for regex literal /-/, c...
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Efficiency of premature return in a function

... There is no difference at all: =====> cat test_return.cpp extern void something(); extern void something2(); void test(bool b) { if(b) { something(); } else something2(); } =====> cat test_return2.cpp extern void something(); exter...
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]

... may return a property from anywhere in the chain, it doesn't specifically test for the last property. – RobG May 22 '14 at 14:21 2 ...
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Best way to work with transactions in MS SQL Server Management Studio

...nt that you can also (and should if what you are writing is complex) add a test variable to rollback if you are in test mode. Then you can execute the whole thing at once. Often I also add code to see the before and after results of various operations especially if it is a complex script. Example ...
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Are PDO prepared statements sufficient to prevent SQL injection?

...ery('SET NAMES gbk'); $var = "\xbf\x27 OR 1=1 /*"; $query = 'SELECT * FROM test WHERE name = ? LIMIT 1'; $stmt = $pdo->prepare($query); $stmt->execute(array($var)); In certain circumstances, that will return more than 1 row. Let's dissect what's going on here: Selecting a Character Set $p...
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How can I view all the git repositories on my machine?

...ly. Man page solution follows "find repo/ ( -exec test -d '{}'/.svn \; -or \ -exec test -d {}/.git \; -or -exec test -d {}/CVS \; ) \ -print -prune Check it out. Edit out svn and cvs if not required – quiet_penguin Oct 29 ...
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WCF ServiceHost access rights

...seful when you need to host services inside visual studio for debugging or testing. Don't use this on production... share | improve this answer | follow | ...