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...why your code doesn't work if what you posted was incomplete, but without knowing that I can't know for sure. <!DOCTYPE html> <html> <head> <script src="http://code.jquery.com/jquery-1.5.js"></script> <script> function countChar(val) { var...
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ImportError in importing from sklearn: cannot import name check_build

... Check if there is a file called "sklearn" in the same folder. Try running from a different folder. Solved it for me (my fault). Find file with <ls | grep -i "sklearn"> – Punnerud Mar 3 '...
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Convert sqlalchemy row object to python dict

... __dict__ includes an _sa_instance_state entry which must then be removed. if you upgrade to a future version and other attributes are added you may have to go back and manually deal with them. if you want just column data (for example, to take a list of instances from a query and drop them in a pan...
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How is “int* ptr = int()” value initialization not illegal?

... @NeilG: This stays the same in C++11, though there is now also a nullptr, which you can use instead of 0 or NULL in new code. – Jerry Coffin Nov 9 '11 at 23:02 ...
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What is an alternative to execfile in Python 3?

...e wrong order. It's actually: exec(object[, globals[, locals]]). Of course if you had the arguments flipped in the original, then 2to3 will produce exactly what you said. :) – Nathan Shively-Sanders May 21 '09 at 20:27 ...
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What is the correct way of using C++11's range-based for?

... The above code prints the elements (ints) in the vector: 1 3 5 7 9 Now consider another case, in which the vector elements are not just simple integers, but instances of a more complex class, with custom copy constructor, etc. // A sample test class, with custom copy semantics. class X { pu...
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What is the best way to call a script from another script?

...ollowing. test1.py def some_func(): print 'in test 1, unproductive' if __name__ == '__main__': # test1.py executed as script # do something some_func() service.py import test1 def service_func(): print 'service func' if __name__ == '__main__': # service.py executed as...
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Python constructor and default value [duplicate]

... Node: def __init__(self, wordList=None, adjacencyList=None): if wordList is None: self.wordList = [] else: self.wordList = wordList if adjacencyList is None: self.adjacencyList = [] else: self.adjacencyList = ad...
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Rolling median algorithm in C

...omputed very efficiently. The two algorithms are internally entirely different: \describe{ \item{"Turlach"}{is the Härdle-Steiger algorithm (see Ref.) as implemented by Berwin Turlach. A tree algorithm is used, ensuring performance \eqn{O(n \log k)}{O(n * log(k))} whe...
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What is the difference between old style and new style classes in Python?

What is the difference between old style and new style classes in Python? When should I use one or the other? 8 Answers ...