大约有 37,000 项符合查询结果（耗时：0.0610秒） [XML]
how to generate migration to make references polymorphic
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109
As far as I know, there's no built-in generator for polymorphic associations. Generate a blank ...
What does the arrow operator, '->', do in Java?
... johannchopin
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answered Feb 28 '13 at 21:35
Óscar LópezÓscar López
207k...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
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answered Jun 2 '11 at 19:07
Mark BMark B
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How to count occurrences of a column value efficiently in SQL?
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edited Oct 1 '09 at 16:38
answered Oct 1 '09 at 13:30
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Is Chrome's JavaScript console lazy about evaluating arrays?
...t bug that explains this issue: https://bugs.webkit.org/show_bug.cgi?id=35801 (EDIT: now fixed!)
There appears to be some debate regarding just how much of a bug it is and whether it's fixable. It does seem like bad behavior to me. It was especially troubling to me because, in Chrome at least, it...
sed or awk: delete n lines following a pattern
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answered Dec 9 '10 at 12:56
dogbanedogbane
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NSObject +load and +initialize - What do they do?
...ool {
Subclass *object = [[Subclass alloc] init];
}
return 0;
}
This program prints two lines of output:
2012-11-10 16:18:38.984 testApp[7498:c07] in Superclass initialize; self = Superclass
2012-11-10 16:18:38.987 testApp[7498:c07] in Superclass initialize; self = Subclass
Sinc...
Assign one struct to another in C
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answered Feb 20 '10 at 13:41
fabrizioMfabrizioM
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What is the difference between gmake and make?
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edited Jul 28 '09 at 19:21
dmckee --- ex-moderator kitten
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Difference between `data` and `newtype` in Haskell
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answered May 4 '11 at 20:58
Don StewartDon Stewart
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