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How to sort a dataFrame in python pandas by two or more columns?
...of sort:
df.sort(['a', 'b'], ascending=[True, False])
For example:
In [11]: df1 = pd.DataFrame(np.random.randint(1, 5, (10,2)), columns=['a','b'])
In [12]: df1.sort(['a', 'b'], ascending=[True, False])
Out[12]:
a 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...
What does a double * (splat) operator do
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answered Aug 17 '13 at 13:11
DogbertDogbert
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Vim Configure Line Number Coloring
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qasimalbaqaliqasimalbaqali
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1
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How do I prevent angular-ui modal from closing?
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Community♦
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answered May 26 '15 at 10:20
Sachin G.Sachin G.
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Conditionally ignoring tests in JUnit 4
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notnoopnotnoop
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3
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Android: Why does long click also trigger a normal click?
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edited Mar 25 '11 at 3:41
answered Mar 25 '11 at 3:35
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How do I calculate the normal vector of a line segment?
... one?
– Martin Meeser
Apr 24 '14 at 11:42
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Github (SSH) via public WIFI, port 22 blocked
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answered Nov 10 '11 at 14:45
prtitrzprtitrz
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Error during SSL Handshake with remote server
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Community♦
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answered Feb 27 '14 at 13:14
mydoghaswormsmydoghasworms
16.4k...
What is the mouse down selector in CSS?
...ver.
– ANeves thinks SE is evil
Apr 11 '19 at 15:43
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