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Pandas conditional creation of a series/dataframe column
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print(df)
yields
Set Type color
0 Z A green
1 Z B green
2 X B red
3 Y C red
If you have more than two conditions then use np.select. For example, if you want color to be
yellow when (df['Set'] == 'Z') & (df['Type'] == 'A')
otherwise blue when (df['Set'] ...
How do I remove a folder from source control with TortoiseSVN?
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edited Sep 29 '14 at 9:32
answered Aug 5 '10 at 13:35
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How to use Bash to create a folder if it doesn't already exist?
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280
First, in bash "[" is just a command, which expects string "]" as a last argument, so the whit...
Android Studio - How to Change Android SDK Path
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29 Answers
29
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Append values to a set in Python
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420
keep.update(yoursequenceofvalues)
e.g, keep.update(xrange(11)) for your specific example. Or...
Accessing dict keys like an attribute?
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27 Answers
27
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Is there an easy way to check the .NET Framework version?
...ed to know if it's version 3.5 SP 1. Environment.Version() only returns 2.0.50727.3053 .
21 Answers
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Convert Python dictionary to JSON array
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answered Feb 2 '13 at 10:50
kmerenkovkmerenkov
2,60111 gold badge1616 silver badges77 bronze badges
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Plot a bar using matplotlib using a dictionary
...ng the appropriate ticks:
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...
What is the difference between bottom-up and top-down?
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251
rev4: A very eloquent comment by user Sammaron has noted that, perhaps, this answer previou...