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How do I use itertools.groupby()?
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The groupby() function takes two arguments: (1) the data to group and (2) the function to group it with.
Here, lambda x: x[0] tells groupby() to use the first item in each tuple as the grouping key.
In the above for statement, groupby returns three (key, group iterator) pairs - once for each uni...
How do I delete all untracked files from my working directory in Mercurial?
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Add the Mercurial Extension called purge. It is distributed by Mercurial.
This extension adds...
javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
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bdoughanbdoughan
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Writing handler for UIAlertAction
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edited Jul 4 '14 at 20:43
progrmr
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Check if an array contains any element of another array in JavaScript
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Get __name__ of calling function's module in Python
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Check out the inspect module:
inspect.stack() will return the stack information.
Inside a fun...
SQLAlchemy: print the actual query
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Ilja Everilä
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answered May 23 '14 at 18:05
zzzeekzzzeek
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Add icon to submit button in twitter bootstrap 2
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