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Display image as grayscale using matplotlib

I'm trying to display a grayscale image using matplotlib.pyplot.imshow() . My problem is that the grayscale image is displayed as a colormap. I need the grayscale because I want to draw on top of the image with color. ...
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How to duplicate a git repository? (without forking)

I have two repositories, and I need to copy whole of one onto the other empty one which has different access levels from the first one. The copy and the mother repository should not be linked together. ...
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How do I include inline JavaScript in Haml?

How can I write something like this to include in a template, but in Haml? 4 Answers 4...
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How to return a file using Web API?

I am using ASP.NET Web API . I want to download a PDF with C# from the API (that the API generates). 5 Answers ...
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When to use a “has_many :through” relation in Rails?

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Cmake vs make sample codes?

I was wondering if there was any sample code for Makefile s ( make ) and CMakeLists.txt ( cmake ) that both do the same thing (the only difference being that one is written in make and the other in cmake ). ...
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How to subtract a day from a date?

I have a Python datetime.datetime object. What is the best way to subtract one day? 6 Answers ...
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How to make overlay control above all other controls?

I need to make a control appear above all other controls, so it will partially overlay them. 6 Answers ...
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How to hash a string into 8 digits?

Is there anyway that I can hash a random string into a 8 digit number without implementing any algorithms myself? 4 Answers...
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If I fork someone else's private Github repo into my account, is it going to appear in my account as

Someone gave me access to one of their private repo on Github. What I want to do is to fork that project into my own account, so I could make use of Github's pull request feature. ...