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Multi-line commands in GHCi
...ere is an error.
– R71
Dec 9 '11 at 12:26
9
@Rog let begins a block; entries in a block are group...
Multiple aggregations of the same column using pandas GroupBy.agg()
... mean sum
dummy
1 0.036901 0.369012
or as a dictionary:
In [21]: df.groupby('dummy').agg({'returns':
{'Mean': np.mean, 'Sum': np.sum}})
Out[21]:
returns
Mean Sum
dummy ...
How to git commit a single file/directory
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answered Jan 9 '12 at 20:58
Lily BallardLily Ballard
164k2525 gold badges355355 silver badges331331 bronze badges
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How to specify Composer install path?
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answered Aug 9 '12 at 12:39
j0kj0k
21.5k1414 gold badges7373 silver badges8484 bronze badges
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How to sort a Ruby Hash by number value?
.... so simple
– Hady Elsahar
Dec 31 '12 at 12:51
19
@Elchin: you can use metrics.sort_by{ |k, v| v...
What is causing ERROR: there is no unique constraint matching given keys for referenced table?
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Vlastimil Ovčáčík
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answered Aug 15 '12 at 9:00
DiegoDiego
2...
Get line number while using grep
...iro A.Miro A.
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C# Regex for Guid
...ctString,
@"(?im)^[{(]?[0-9A-F]{8}[-]?(?:[0-9A-F]{4}[-]?){3}[0-9A-F]{12}[)}]?$",
"'$0'");
This matches the following styles, which are all equivalent and acceptable formats for a GUID.
ca761232ed4211cebacd00aa0057b223
CA761232-ED42-11CE-BACD-00AA0057B223
{CA761232-ED42-11CE-BACD-00AA0...
Does setWidth(int pixels) use dip or px?
...
12
The applyDimension() version executes more code and it a bit more difficult to read I find. FWIW, the line I posted is what we actually use...
C++ where to initialize static const
... |
edited Apr 9 '10 at 12:18
answered Apr 9 '10 at 6:48
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