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What exactly is Arel in Rails 3.0?
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What exactly is Arel in Rails 3.0?
It's an object model for an algebra of relational query operators.
I understand that it is a replacement for ActiveRecord
No, it isn't. It's a replacement for hand-crafting SQL queries in strings. It is a common query...
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Anton Dozortsev
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answered Aug 21 '14 at 6:52
Tom DevTom Dev
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Django removing object from ManyToMany relationship
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Clone contents of a GitHub repository (without the folder itself)
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If the current directory is empty, you can do that with:
git clone git@github:me/name.git .
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Remove scroll bar track from ScrollView in Android
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edited Sep 27 '17 at 13:37
user663031
answered Jan 20 '12 at 2:55
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How to create default value for function argument in Clojure
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I think it would be better for the second line to say (recur s 10), using recur instead of repeating the function name string->integer. T...
What is the difference between ndarray and array in numpy?
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numpy.array is just a convenience function to create an ndarray; it is not a class itself.
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@Transactional(propagation=Propagation.REQUIRED)
...(as you would expect it to).
http://static.springsource.org/spring/docs/3.1.x/spring-framework-reference/html/transaction.html
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What is the correct way to get a subarray in Scala?
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What's a standard way to do a no-op in python?
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edited Dec 18 '09 at 3:41
answered Mar 27 '09 at 17:05
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