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Rails: create on has_one association
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edited May 9 '12 at 14:07
answered Oct 1 '10 at 13:59
se...
Validate uniqueness of multiple columns
...be patched?
– Alexey
Jul 16 '12 at 20:09
13
Alexey, validates_uniqueness_of [:user_id, :friend_id...
Difference between database and schema
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edited Jun 20 at 9:12
Community♦
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answered Mar 16 '11 at 10:11
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Removing a model in rails (reverse of “rails g model Title…”)
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answered Aug 18 '11 at 10:35
Mikhail NikalyukinMikhail Nikalyukin
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What's the difference between @Secured and @PreAuthorize in spring security 3?
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170
The real difference is that @PreAuthorize can work with Spring Expression Language (SpEL). You c...
'await' works, but calling task.Result hangs/deadlocks
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answered Jun 22 '13 at 8:30
Stephen ClearyStephen Cleary
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How to determine whether a Pandas Column contains a particular value
...s in the index:
In [11]: s = pd.Series(list('abc'))
In [12]: s
Out[12]:
0 a
1 b
2 c
dtype: object
In [13]: 1 in s
Out[13]: True
In [14]: 'a' in s
Out[14]: False
One option is to see if it's in unique values:
In [21]: s.unique()
Out[21]: array(['a', 'b', 'c'], dtype=object)
In [22]:...
What are the differences between mocks and stubs on Rhino Mocks?
...CharlesB
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answered Jan 21 '09 at 1:12
rbraybrbrayb
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How to create a protocol with methods that are optional?
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Nate Cook
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answered Nov 26 '08 at 23:21
Matt GallagherMatt Gallagher
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Filtering a list of strings based on contents
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edited May 17 at 20:09
wjandrea
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answered...