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Ordering by specific field value first
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5
After about 5 years I changed accepted answer to this one because it's cleaner and faster.
– Omid
Aug...
ld cannot find an existing library
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158
The problem is the linker is looking for libmagic.so but you only have libmagic.so.1
A quick h...
Pandas DataFrame Groupby two columns and get counts
...y @Andy's answer, you can do following to solve your second question:
In [56]: df.groupby(['col5','col2']).size().reset_index().groupby('col2')[[0]].max()
Out[56]:
0
col2
A 3
B 2
C 1
D 3
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Maintain/Save/Restore scroll position when returning to a ListView
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edited Jan 5 '15 at 9:23
answered Jun 14 '10 at 7:11
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Capture keyboardinterrupt in Python without try-except
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151
Yes, you can install an interrupt handler using the module signal, and wait forever using a thr...
What data type to use for money in Java? [closed]
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edited Aug 16 '13 at 15:08
JodaStephen
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a...
How to detect orientation change?
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Xavier Lowmiller
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answered Sep 4 '14 at 13:59
DavidDavid
6,2...
Are there legitimate uses for JavaScript's “with” statement?
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524
Another use occurred to me today, so I searched the web excitedly and found an existing mentio...
How to write a:hover in inline CSS?
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595
Short answer: you can't.
Long answer: you shouldn't.
Give it a class name or an id and use ...