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What is the PostgreSQL equivalent for ISNULL()
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edited Nov 22 '17 at 10:31
Satpal
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Converting a column within pandas dataframe from int to string
...plymap(str)
Out[21]:
A B
0 0 1
1 2 3
2 4 5
3 6 7
4 8 9
In [22]: df.applymap(str).iloc[0,0]
Out[22]: '0'
df = df.applymap(str)
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How can I change a file's encoding with vim?
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answered Apr 22 '09 at 16:25
Brian AgnewBrian Agnew
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Pandas every nth row
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answered Sep 10 '17 at 13:22
metastableBmetastableB
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How can I dynamically create a selector at runtime with Objective-C?
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answered Sep 22 '08 at 0:34
Torsten MarekTorsten Marek
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How to apply a function to two columns of Pandas dataframe
...00000 0.000000
1 -0.494375 0.570994
2 1.000000 0.000000
3 1.876360 -0.229738
4 1.000000 0.000000
In [50]: def f(x):
....: return x[0] + x[1]
....:
In [51]: df.apply(f, axis=1) #passes a Series object, row-wise
Out[51]:
0 1.000000
1 0.076619
2 1.000000
3 1.646622
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How do I share IntelliJ Run/Debug configurations between projects?
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answered Jul 8 '14 at 22:03
Nick HumrichNick Humrich
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How can I add a box-shadow on one side of an element?
...HHHHH
– Muhammad Umer
Aug 24 '13 at 22:35
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Blocks on Swift (animateWithDuration:animations:completion:)
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answered Jun 5 '14 at 22:48
ZaksoupZaksoup
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Use NUnit Assert.Throws method or ExpectedException attribute?
...red bad practice?
– SamuelDavis
Feb 22 '13 at 0:03
5
@SamuelDavis - in general you wouldn't want ...