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Chain-calling parent initialisers in python [duplicate]

... The way you are doing it is indeed the recommended one (for Python 2.x). The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosophy of "explicit is better than implicit". ...
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JavaScript validation for empty input field

... 123 <script type="text/javascript"> function validateForm() { var a = document.fo...
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Excluding directory when creating a .tar.gz file

... 202 Try removing the last / at the end of the directory path to exclude tar -pczf MyBackup.tar.gz...
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How to get the size of a string in Python?

... 258 If you are talking about the length of the string, you can use len(): >>> s = 'pleas...
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How can you do anything useful without mutable state?

... args) { Stack<int> x = Stack.Cons(1, Stack.Cons(2, Stack.Cons(3, Stack.Cons(4, null)))); Stack<int> y = Stack.Cons(5, Stack.Cons(6, Stack.Cons(7, Stack.Cons(8, null)))); Stack<int> z = Stack.Append(x, y); Stack.Iter(z, a =&gt...
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What does a tilde do when it precedes an expression?

... 273 ~ is a bitwise operator that flips all bits in its operand. For example, if your number was 1...
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How do I replace whitespaces with underscore?

... Luke Exton 2,65022 gold badges1414 silver badges3030 bronze badges answered Jun 17 '09 at 14:44 rogeriopvlrogeri...
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How can I convert a DateTime to the number of seconds since 1970?

...gin; return Math.Floor(diff.TotalSeconds); } Update: As of .Net Core 2.1 and .Net Standard 2.1 a DateTime equal to the Unix Epoch can be obtained from the static DateTime.UnixEpoch. share | im...
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Keyboard Interrupts with python's multiprocessing Pool

... | edited Jun 7 '14 at 20:45 answered Sep 11 '09 at 0:45 ...
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Anaconda vs. EPD Enthought vs. manual installation of Python [closed]

... Update 2015: Nowadays I always recommend Anaconda. It includes lots of Python packages for scientific computing, data science, web development, etc. It also provides a superior environment tool, conda, which allows to easily switch ...