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Difference between Django's annotate and aggregate methods?
...> Book.objects.aggregate(average_price=Avg('price'))
{'average_price': 34.35}
Returns a dictionary containing the average price of all books in the queryset.
Annotation
>>> q = Book.objects.annotate(num_authors=Count('authors'))
>>> q[0].num_authors
2
>>> q[1].num_a...
Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
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What is the best way to do a substring in a batch file?
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401
Well, for just getting the filename of your batch the easiest way would be to just use %~n0.
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Read-only and non-computed variable properties in Swift
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Idiomatic way to convert an InputStream to a String in Scala
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answered Mar 7 '11 at 15:37
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Explain ExtJS 4 event handling
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edited Sep 29 '14 at 6:26
majorBummer
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Must qualify the allocation with an enclosing instance of type GeoLocation
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knownasilya
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Erasing elements from a vector
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How to pass argument to Makefile from command line?
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List all of the possible goals in Maven 2?
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Ry-♦
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answered Oct 22 '10 at 12:43
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