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Naming convention for unique constraint
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See blogs.msdn.microsoft.com/dtjones/2009/10/29/…
– Stefan Steiger
Oct 14 '16 at 11:45
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In Ruby how do I generate a long string of repeated text?
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310
str = "0" * 999999
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Laravel Schema onDelete set null
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answered Sep 10 '14 at 12:46
JohanJohan
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Convert UTC to local time in Rails 3
...tion.rb
– idrinkpabst
Jul 23 '13 at 10:03
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SBT stop run without exiting
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answered Mar 10 '11 at 19:57
Seth TisueSeth Tisue
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Eclipse: How do you change the highlight color of the currently selected method/expression?
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answered Aug 8 '10 at 13:00
coobirdcoobird
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Does BroadcastReceiver.onReceive always run in the UI thread?
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edited Apr 29 '14 at 10:51
answered Apr 15 '11 at 12:41
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Explicitly calling a default method in Java
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edited Feb 10 '18 at 23:20
jihor
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answered Nov 1...
Avoiding memory leaks with Scalaz 7 zipWithIndex/group enumeratees
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answered Oct 10 '13 at 19:13
Aaron NovstrupAaron Novstrup
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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This takes the last. Not the maximum though:
In [10]: df.drop_duplicates(subset='A', keep="last")
Out[10]:
A B
1 1 20
3 2 40
4 3 10
You can do also something like:
In [12]: df.groupby('A', group_keys=False).apply(lambda x: x.loc[x.B.idxmax()])
Out[12]:
A ...