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How to sort a dataFrame in python pandas by two or more columns?
... b
2 1 4
7 1 3
1 1 2
3 1 2
4 3 2
6 4 4
0 4 3
9 4 3
5 4 1
8 4 1
As commented by @renadeen
Sort isn't in place by default! So you should assign result of the sort method to a variable or add inplace=True to method call.
that is, if you want to reuse df1 as a sorted DataFr...
Changing MongoDB data store directory
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Dan Dascalescu
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answered May 11 '11 at 8:25
Brendan W. M...
Tuning nginx worker_process to obtain 100k hits per min
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189
Config file:
worker_processes 4; # 2 * Number of CPUs
events {
worker_connections 1900...
How can I scroll a web page using selenium webdriver in python?
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How to set the title of DialogFragment?
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Willi Mentzel
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answered Apr 7 '11 at 22:25
Rob HolmesRob Ho...
The “backspace” escape character '\b': unexpected behavior?
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T.J. CrowderT.J. Crowder
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Matplotlib transparent line plots
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ASGM
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answered Mar 14 '14 at 18:24
Davoud Taghawi-NejadDavoud Tag...
how to restart only certain processes using supervisorctl?
...g a few processes using supervisord, named process1, process2, ..., process8. If I want to restart process{1-4}, how can I do that with supervisorctl?
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How can I remove a pytz timezone from a datetime object?
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edited Feb 12 '18 at 23:08
Community♦
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answered Jun 8 '12 at 6:39
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Converting java.util.Properties to HashMap
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This is because Properties extends Hashtable<Object, Object> (which, in turn, implements ...