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How do you sort an array on multiple columns?
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What's the opposite of chr() in Ruby?
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How to read data when some numbers contain commas as thousand separator?
... values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
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How to assert two list contain the same elements in Python? [duplicate]
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As of Python 3.2 unittest.TestCase.assertItemsEqual(doc) has been replaced by unittest.TestCas...
How can I make pandas dataframe column headers all lowercase?
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You can do it like this:
data.columns = map(str.lower, data.columns)
or
data.columns = [x....
How to sort an array by a date property
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How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
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Splitting on first occurrence
...t most maxsplit splits are done (thus, the list will have at most maxsplit+1 elements).
s.split('mango', 1)[1]
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How to git clone a specific tag
From git-clone(1) Manual Page
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
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By default compilers optimize for "average" processor. Since different processors favor differe...