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Install tkinter for Python
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413
It is not very easy to install Tkinter locally to use with system-provided Python. You may build...
Class 'DOMDocument' not found
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318
You need to install the DOM extension. You can do so on Debian / Ubuntu using:
sudo apt-get in...
Calculating arithmetic mean (one type of average) in Python
... return float(sum(numbers)) / max(len(numbers), 1)
>>> mean([1,2,3,4])
2.5
>>> mean([])
0.0
In numpy, there's numpy.mean().
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Add object to ArrayList at specified index
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You can do it like this:
list.add(1, object1)
list.add(2, object3)
list.add(2, object2)
After you add object2 to position 2, it will move object3 to position 3.
If you want object3 to be at position3 all the time I'd suggest you use a HashMap with position as key and object as a value....
Why does direction of index matter in MongoDB?
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3 Answers
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Change x axes scale in matplotlib
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ChrisChris
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How to check if a string in Python is in ASCII?
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answered Oct 13 '08 at 0:30
Alexander KojevnikovAlexander Kojevnikov
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Best way to convert string to bytes in Python 3?
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