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pandas three-way joining multiple dataframes on columns
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Ruthger Righart
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answered May 28 '15 at 17:08
KitKit
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How to check if a variable is not null?
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answered Dec 5 '10 at 22:22
Tim DownTim Down
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Python - When to use file vs open
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ElementW
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answered Sep 22 '08 at 3:07
nosklonosklo
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Can you target with css?
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answered May 22 '09 at 18:41
viam0Zahviam0Zah
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In Vim, how do I apply a macro to a set of lines?
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answered Dec 23 '08 at 22:02
Judge MaygardenJudge Maygarden
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Sort a list of tuples by 2nd item (integer value) [duplicate]
...ord with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple, so we access [1].
For optimization,...
Does height and width not apply to span?
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answered Mar 22 '10 at 9:33
user151323user151323
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Wolfram's Rule 34 in XKCD [closed]
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Lucas OmanLucas Oman
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Remove last character from C++ string
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answered Feb 22 '10 at 12:59
Matthieu M.Matthieu M.
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Parse v. TryParse
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answered Jan 22 '09 at 0:20
Greg BeechGreg Beech
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