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What is the rationale behind having companion objects in Scala?
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edited Mar 31 '17 at 11:37
nbro
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Efficient way to apply multiple filters to pandas DataFrame or Series
...numpy) allow for boolean indexing, which will be much more efficient:
In [11]: df.loc[df['col1'] >= 1, 'col1']
Out[11]:
1 1
2 2
Name: col1
In [12]: df[df['col1'] >= 1]
Out[12]:
col1 col2
1 1 11
2 2 12
In [13]: df[(df['col1'] >= 1) & (df['col1'] <=1 )]
Out...
How do I replace multiple spaces with a single space in C#?
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answered Oct 15 '08 at 22:11
Patrick DesjardinsPatrick Desjardins
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Can pandas automatically recognize dates?
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Rutger KassiesRutger Kassies
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How can a Java variable be different from itself?
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Community♦
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answered Oct 17 '13 at 1:17
arshajiiarshajii
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Remove IE10's “clear field” X button on certain inputs?
...tton anyway.
– Yousef Salimpour
Aug 11 '13 at 6:43
@Yousef: Yes, that’s how it works and part of why you should neve...
What REALLY happens when you don't free after malloc?
...ng pants.
– Heath Hunnicutt
Jun 24 '11 at 18:17
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Git hook to send email notification on repo changes
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How to split a column into two columns?
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Automatically start forever (node) on system restart
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cedricbellet
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answered Nov 14 '12 at 22:50
Julian LanniganJulian Lannigan
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