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“Inner exception” (with traceback) in Python?

... import sys class MyException(Exception): pass try: raise TypeError("test") except TypeError, e: raise MyException(), None, sys.exc_info()[2] Always do this when catching one exception and re-raising another. sha...
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?

...e 0 or 1. It is true that most code won't care and will simply do an if () test on it, but it is conceivable that some code will depend on it being 0 or 1, and thus won't treat some large address value as being the same as 1 (YES). – user102008 Oct 21 '11 at 22...
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Implement C# Generic Timeout

...nction); } } This code is still buggy, you can try with this small test program: static void Main(string[] args) { // Use a sb instead of Console.WriteLine() that is modifying how synchronous object are working var sb = new StringBuilder(); for (var j = 1;...
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How to check if object has any properties in JavaScript?

...lse as soon as it reaches the part where there is the comment Performance Test Test Of Object.Keys vs For..In When testing for any properties share | improve this answer | ...
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How does __proto__ differ from constructor.prototype?

... paste the code mentioned in the image here as well for if anyone wants to test it. Note that some properties are added to the objects for making easy to know where we are after some jumps: Object.O1=''; Object.prototype.Op1=''; Function.F1 = ''; Function.prototype.Fp1 = ''; Cat = function(){}; C...
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Why is Go so slow (compared to Java)?

...ons in JIT-compiled Java) starts to get tricky. FWIW, my own very trivial test with Go when I was taking a look at it (a loop of integer addition, basically), gccgo produced code towards the fast end of the range between gcc -O0 and gcc -O2 for equivalent C. Go isn't inherently slow, but the compil...
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Using property() on classmethods

...ty(self): del type(self)._class_property This code can be used to test - it should pass without raising any errors: ex1 = Example() ex2 = Example() ex1.class_property = None ex2.class_property = 'Example' assert ex1.class_property is ex2.class_property del ex2.class_property assert not hasa...
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Max or Default?

... Possibly this information is out of date, as I just successfully tested both forms of DefaultIfEmpty in LINQ to SQL – Neil Dec 21 '11 at 10:08 3 ...
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How to decorate a class?

...plies the decorator if condition evaluates to True. The getattr, callable test, and @decorate_if are used so that the decorator doesn't break if the foo() method doesn't exist on the class being decorated. share | ...
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How to spyOn a value property (rather than a method) with Jasmine

...h is perfectly okay. You'd be "changing the behaviour" only inside the the test which is what you were trying to achieve with the spyOn. – Fabio Milheiro Aug 14 '14 at 8:13 ...