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What is the difference between 0.0.0.0, 127.0.0.1 and localhost?
... mac. I found that Jekyll server will bind to 0.0.0.0:4000 instead of 127.0.0.1:4000 . Also gem server will bind to this address by default. I can still visit it via http://localhost:port . But for Jekyll , it seems that the default setting (e.g. 0.0.0.0:4000) requires Internet access. I c...
Checking if a string can be converted to float in Python
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16 Answers
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Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
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Test if string is a number in Ruby on Rails
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Normalize data in pandas
...In [92]: df
Out[92]:
a b c d
A -0.488816 0.863769 4.325608 -4.721202
B -11.937097 2.993993 -12.916784 -1.086236
C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df.min()...
How can I use a file in a command and redirect output to the same file without truncating it?
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...gation methods at once. This should give you the result you need:
df[['col1', 'col2', 'col3', 'col4']].groupby(['col1', 'col2']).agg(['mean', 'count'])
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Why main does not return 0 here?
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That rule was added in the 1999 version of the C standard. In C90, the status returned is und...
How to specify Composer install path?
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It seems that you can define the vendor dir to be something else (plugins in your case):
{
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