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Python unit test with base and sub class

...ef testSub1(self): print 'Calling SubTest1:testSub1' sub = 3 self.assertEquals(sub, 3) class SubTest2(unittest.TestCase, CommonTests): def testSub2(self): print 'Calling SubTest2:testSub2' sub = 4 self.assertEquals(sub, 4) if __name__ == '__mai...
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Multidimensional Array [][] vs [,] [duplicate]

...uble[5][]; x[0] = new double[10]; x[1] = new double[5]; x[2] = new double[3]; x[3] = new double[100]; x[4] = new double[1]; Because each entry in the array is a reference to an array of double. With a jagged array, you can do an assignment to an array like you want in your second example: x[0] =...
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C++11 reverse range-based for-loop

... 234 Actually Boost does have such adaptor: boost::adaptors::reverse. #include <list> #inclu...
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How to use a custom comparison function in Python 3?

... 53 Use the key argument (and follow the recipe on how to convert your old cmp function to a key fun...
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Why is rbindlist “better” than rbind?

...d will join by position eg do.call(rbind, list(data.frame(a = 1:2, b = 2:3), data.frame(b = 1:2, a = 2:3))) ## a b ## 1 1 2 ## 2 2 3 ## 3 2 1 ## 4 3 2 rbindlist(list(data.frame(a = 1:5, b = 2:6), data.frame(b = 1:5, a = 2:6))) ## a b ## 1: 1 2 ## 2: 2 3 ## 3: 1 2 ## 4: 2 3 Some...
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What does $_ mean in PowerShell?

... the current value in the pipe line, which is called $PSItem in Powershell 3 and newer. 1,2,3 | %{ write-host $_ } or 1,2,3 | %{ write-host $PSItem } For example in the above code the %{} block is called for every value in the array. The $_ or $PSItem variable will contain the current val...
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How to concatenate items in a list to a single string?

... answered Sep 17 '12 at 5:33 Burhan KhalidBurhan Khalid 144k1717 gold badges200200 silver badges247247 bronze badges ...
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How do you remove a specific revision in the git history?

... To combine revision 3 and 4 into a single revision, you can use git rebase. If you want to remove the changes in revision 3, you need to use the edit command in the interactive rebase mode. If you want to combine the changes into a single revisi...
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What is the `data-target` attribute in Bootstrap 3?

...he system or behavior behind the data-target attribute used by Bootstrap 3? 2 Answers ...
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What is the difference between String.slice and String.substring?

... answered Feb 11 '10 at 10:36 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...