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Fast check for NaN in NumPy
...se numpy.sum in place of numpy.min:
In [13]: %timeit np.isnan(np.min(x))
1000 loops, best of 3: 244 us per loop
In [14]: %timeit np.isnan(np.sum(x))
10000 loops, best of 3: 97.3 us per loop
Unlike min, sum doesn't require branching, which on modern hardware tends to be pretty expensive. This is ...
How can I remove duplicate rows?
...way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?
38 Answers
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Vagrant error : Failed to mount folders in Linux guest
...have some issues with Vagrant shared folders, my base system is Ubuntu 13.10 desktop.
21 Answers
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Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
...er why?
– bhavinb
Nov 29 '12 at 13:50
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How to reload a clojure file in REPL
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MingMing
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How to handle checkboxes in ASP.NET MVC forms?
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answered Oct 20 '08 at 21:49
Dylan BeattieDylan Beattie
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How do I print to the debug output window in a Win32 app?
I've got a win32 project that I've loaded into Visual Studio 2005. I'd like to be able to print things to the Visual Studio output window, but I can't for the life of me work out how. I've tried 'printf' and 'cout
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How to remove specific elements in a numpy array
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10 Answers
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How to clear MemoryCache?
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answered Nov 15 '10 at 10:12
GvSGvS
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