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Putting text in top left corner of matplotlib plot

How can I put text in the top left (or top right) corner of a matplotlib figure, e.g. where a top left legend would be, or on top of the plot but in the top left corner? E.g. if it's a plt.scatter(), then something that would be within the square of the scatter, put in the top left most corner. ...
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~x + ~y == ~(x + y) is always false?

Does this code always evaluate to false? Both variables are two's complement signed ints. 11 Answers ...
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How to format strings in Java

Primitive question, but how do I format strings like this: 8 Answers 8 ...
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Quickest way to convert a base 10 number to any base in .NET?

I have and old(ish) C# method I wrote that takes a number and converts it to any base: 12 Answers ...
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?

...rent version of ruby is ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this? ...
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Accessing class variables from a list comprehension in the class definition

How do you access other class variables from a list comprehension within the class definition? The following works in Python 2 but fails in Python 3: ...
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how to set “camera position” for 3d plots using python/matplotlib?

I'm learning how to use mplot3d to produce nice plots of 3d data and I'm pretty happy so far. What I am trying to do at the moment is a little animation of a rotating surface. For that purpose, I need to set a camera position for the 3D projection. I guess this must be possible since a surface can b...
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How to open, read, and write from serial port in C?

I am a little bit confused about reading and writing to a serial port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1. ...
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Why does one hot encoding improve machine learning performance?

I have noticed that when One Hot encoding is used on a particular data set (a matrix) and used as training data for learning algorithms, it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance...
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Checking images for similarity with OpenCV

Does OpenCV support the comparison of two images, returning some value (maybe a percentage) that indicates how similar these images are? E.g. 100% would be returned if the same image was passed twice, 0% would be returned if the images were totally different. ...