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how do you filter pandas dataframes by multiple columns
To filter a dataframe (df) by a single column, if we consider data with male and females we might:
6 Answers
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How to convert CharSequence to String?
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Stackoverflow won't let me post any question. :/ btw I did that last night. Custom actionbar is the solution :)
– TheOnlyAnil
May 5 '15 at 15:23
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'No Transport' Error w/ jQuery ajax call in IE
...one is the first answer to mention the CORS header. The accepted solution did not work for me.
– seanhodges
Jan 22 '15 at 9:06
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What's the status of multicore programming in Haskell?
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gawi: it is part of GHC 7. The release candidate for that was put out two weeks ago.
– Don Stewart
Oct 9 '10 at 16:43
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What is javax.inject.Named annotation supposed to be used for?
...nnotation is supposed to be used for. The Javadoc does not explain the the idea behind it.
4 Answers
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ViewPager.setOffscreenPageLimit(0) doesn't work as expected
...er can swipe between them, with the animated effect showing the old view sliding off the screen and the new view sliding onto the screen. You are welcome to try to write your own ViewPager that can swipe between things that do not exist. You can read more about this at code.google.com/p/android/issu...
Entity Framework - Start Over - Undo/Rollback All Migrations
...'t an initial clean migration to update (back) to -- I just wanted to get rid of all migrations, regardless of the method. Therefore this answer addressed my concern with -TargetMigration:0
– drzaus
Jan 13 '13 at 17:38
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'size_t' vs 'container::size_type'
... edited Apr 23 '15 at 14:12
DavidRR
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answered May 28 '09 at 10:32
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Java Regex Capturing Groups
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Finally, the capturing groups are delimited by round brackets, and provide a very useful way to use back-references (amongst other things), once your Pattern is matched to the input.
In Java 6 groups can only be referenced by their order (beware of nested groups and the subtlety of ordering). ...
Literal suffix for byte in .NET?
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Could you provide a link to the C# 7 document where 0b is covered.
– user3613932
Mar 19 at 23:54
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