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Plot a bar using matplotlib using a dictionary
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import matplotlib.pyplot as plt
D = {u'Label1':26, u'Label2': 17, u'Label3':30}
plt.bar(range(len(D)), list(D.values()), align='center')
plt.xticks(range(len(D)), list(D.keys()))
# # for python 2.x:
# plt.bar(range(len(D)), D.values(), align='center') # python 2.x
# plt.xticks(range(len(D)), D.k...
How to do a less than or equal to filter in Django queryset?
...ile called profile. This field is called level and is an integer between 0-3.
1 Answer
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Drop shadow for PNG image in CSS
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<!-- HTML elements here -->
<svg height="0" xmlns="http://www.w3.org/2000/svg">
<filter id="drop-shadow">
<feGaussianBlur in="SourceAlpha" stdDeviation="4"/>
<feOffset dx="12" dy="12" result="offsetblur"/>
<feFlood flood-color="rgba(0,0...
How to dismiss a Twitter Bootstrap popover by clicking outside?
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37 Answers
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swift case falling through
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370
Yes. You can do so as follows:
var testVal = "hello"
var result = 0
switch testVal {
case "o...
Checking images for similarity with OpenCV
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This is a huge topic, with answers from 3 lines of code to entire research magazines.
I will outline the most common such techniques and their results.
Comparing histograms
One of the simplest & fastest methods. Proposed decades ago as a means to find picture s...
Argmax of numpy array returning non-flat indices
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3 Answers
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Are lists thread-safe?
... Thomas WoutersThomas Wouters
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Using helpers in model: how do I include helper dependencies?
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134
Just change the first line as follows :
include ActionView::Helpers
that will make it works....
When do I need to use a semicolon vs a slash in Oracle SQL?
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31
It's a matter of preference, but I prefer to see scripts that consistently use the slash - this...