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How does numpy.histogram() work?

...qual width) of each bar. In this example: np.histogram([1, 2, 1], bins=[0, 1, 2, 3]) There are 3 bins, for values ranging from 0 to 1 (excl 1.), 1 to 2 (excl. 2) and 2 to 3 (incl. 3), respectively. The way Numpy defines these bins if by giving a list of delimiters ([0, 1, 2, 3]) in this example...
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Checking images for similarity with OpenCV

...ue (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. ...
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Matplotlib tight_layout() doesn't take into account figure suptitle

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How to change the color of an svg element?

...splay: none; } .no-svg .my-svg-alternate { display: block; width: 100px; height: 100px; background-image: url(image.png); } <svg width="96px" height="96px" viewBox="0 0 512 512" enable-background="new 0 0 512 512" xml:space="preserve"> <path id="time-3-icon" d="M256,50C142....
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Too many 'if' statements?

... 600 If you cannot come up with a formula, you can use a table for such a limited number of outcomes...
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Bootstrap 3 modal vertical position center

...: inline-block; vertical-align: middle; content: " "; height: 100%; } } .modal-dialog { display: inline-block; text-align: left; vertical-align: middle; } And adjust a little bit .fade class to make sure it appears out of the top border of window, instead of center ...
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How do I get the time of day in javascript/Node.js?

...he getHours() method for the Date object. getHours() return the time from 0 - 23, so make sure to deal with it accordingly. I think 0-23 is a bit more intuitive since military time runs from 0 - 23, but it's up to you. With that in mind, the code would be something along the lines of: var date = ...
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Add zero-padding to a string

How do I add "0" padding to a string so that my string length is always 4? 5 Answers 5...
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Accessing class variables from a list comprehension in the class definition

...owing will fail: class A: a = 42 b = list(a + i for i in range(10)) So, to summarize: you cannot access the class scope from functions, list comprehensions or generator expressions enclosed in that scope; they act as if that scope does not exist. In Python 2, list comprehensions were i...
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Adding an arbitrary line to a matplotlib plot in ipython notebook

...as np import matplotlib.pyplot as plt np.random.seed(5) x = np.arange(1, 101) y = 20 + 3 * x + np.random.normal(0, 60, 100) plt.plot(x, y, "o") # draw vertical line from (70,100) to (70, 250) plt.plot([70, 70], [100, 250], 'k-', lw=2) # draw diagonal line from (70, 90) to (90, 200) plt.plot([70,...