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Aggregate / summarize multiple variables per group (e.g. sum, mean)
... x1 x2
1 2000 1 -80.83405 -224.9540159
2 2000 2 -223.76331 -288.2418017
3 2000 3 -188.83930 -481.5601913
4 2000 4 -197.47797 -473.7137420
5 2000 5 -259.07928 -372.4563522
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Android; Check if file exists without creating a new one
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Efficient way to rotate a list in python
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287
A collections.deque is optimized for pulling and pushing on both ends. They even have a dedicate...
update package.json version automatically
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answered Mar 7 '13 at 7:24
zemircozemirco
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Joining two lists together
...than 5 seconds.
– GreenFerret95
Nov 7 '19 at 18:50
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What is the proper declaration of main?
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answered Nov 17 '10 at 17:19
James McNellisJames McNellis
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How can I convert a zero-terminated byte array to string?
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answered Jan 9 '13 at 7:24
DanielDaniel
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How can I interrupt a ServerSocket accept() method?
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Ronan Boiteau
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answered Jun 6 '10 at 10:27
Simon GroenewoltS...
Difference between .on('click') vs .click()
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775
I think, the difference is in usage patterns.
I would prefer .on over .click because the for...
Change the URL in the browser without loading the new page using JavaScript
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edited Apr 7 '14 at 16:35
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