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Set folder browser dialog start location
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answered May 10 '09 at 0:39
great_llamagreat_llama
10.7k44 gold badges3030 silver badges2929 bronze badges
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
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edited Dec 3 '10 at 2:36
answered Dec 2 '10 at 23:40
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Replace all non-alphanumeric characters in a string
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How to know if user is logged in with passport.js?
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edited Oct 20 '14 at 10:39
answered Sep 11 '13 at 11:29
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How do I test which class an object is in Objective-C?
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answered Jan 13 '10 at 10:48
VladimirVladimir
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Truncating floats in Python
...point format into the sequence of bits (assuming a 64-bit float)
0011111111010011001100110011001100110011001100110011001100110011
This is the closest value to 0.3 that can accurately be represented as an IEEE float. But if you write 0.29999999999999998 in a Python program, the compiler translates...
Creating a zero-filled pandas data frame
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Testing this I find %timeit temp = np.zeros((10, 11)); d = pd.DataFrame(temp, columns = ['col1', 'col2',...'col11']) takes 156 us. But %timeit d = pd.DataFrame(0, index = np.arange(10), columns = ['col1', 'col2',...'col11']) takes 171 us. I'm surprised it's not any fast...
How to remove all the occurrences of a char in c++ string
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check if variable is dataframe
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