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matplotlib does not show my drawings although I call pyplot.show()

... I ran into the exact same problem on Ubuntu 12.04, because I installed matplotlib (within a virtualenv) using pip install matplotlib To make long story short, my advice is: don't try to install matplotlib using pip or by hand; let a real package manager (e.g. apt-ge...
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Compare two files in Visual Studio

I saw new comparsion tool in VS 2012 for comparing two files or two versions of file. I like it. But when I tried to find it I can't because I don't use TFS. Is there a way how can I just compare two files with builtin feature in VS but without TFS? ...
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What is the difference between NaN and None?

... diegoaguilardiegoaguilar 7,1461212 gold badges5858 silver badges114114 bronze badges add a ...
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Determining type of an object in ruby

...ct just the class. We use classes not types. All data then has a class. 12345.class 'my string'.class They may also have ancestors Object.ancestors They also have meta classes but I'll save you the details on that. Once you know the class then you'll be able to lookup what methods you may ...
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Could not load NIB in bundle

... answered Mar 7 '12 at 1:39 sevenpoundssevenpounds 2,14111 gold badge1010 silver badges55 bronze badges ...
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Equivalent of String.format in jQuery

... | edited Jan 23 '12 at 19:30 answered Apr 15 '10 at 19:43 ...
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Git's famous “ERROR: Permission to .git denied to user”

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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4

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Unit Test? Integration Test? Regression Test? Acceptance Test?

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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?

...l-* - 0 (xs) col-sm-* - 576px col-md-* - 768px col-lg-* - 992px col-xl-* - 1200px col-xxl-* - 1400px Bootstrap 5 Grid Demo Bootstrap 4 In Bootstrap 4 there is a new -xl- size, see this demo. Also the -xs- infix has been removed, so smallest columns are simply col-1, col-2.. col-12, etc.. col-* - 0 ...