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Check if bash variable equals 0 [duplicate]
I have a bash variable depth and I would like to test if it equals 0. In case yes, I want to stop executing of script. So far I have:
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GroupBy pandas DataFrame and select most common value
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10 Answers
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Iterate over a list of files with spaces
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answered Aug 12 '11 at 11:06
martin claytonmartin clayton
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git: difference between “branchname” and “refs/heads/branchname”
Best to be explained at an example: I am on branch 0.58 of repository and this his how I pull:
3 Answers
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How to merge a transparent png image with another image using PIL
....png")
foreground = Image.open("test2.png")
background.paste(foreground, (0, 0), foreground)
background.show()
First parameter to .paste() is the image to paste. Second are coordinates, and the secret sauce is the third parameter. It indicates a mask that will be used to paste the image. If you p...
Checking out Git tag leads to “detached HEAD state”
...git project and I just started using tags. I've added a new tag called v2.0 :
2 Answers
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Sending a notification from a service in Android
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109
Both Activity and Service actually extend Context so you can simply use this as your Context wi...
Plotting time in Python with Matplotlib
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answered Oct 15 '09 at 18:18
codeapecodeape
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Regular expression for letters, numbers and - _
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209
The pattern you want is something like (see it on rubular.com):
^[a-zA-Z0-9_.-]*$
Explanatio...
How to print a percentage value in python?
...supports a percentage floating point precision type:
>>> print "{0:.0%}".format(1./3)
33%
If you don't want integer division, you can import Python3's division from __future__:
>>> from __future__ import division
>>> 1 / 3
0.3333333333333333
# The above 33% example wo...