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Possible reasons for timeout when trying to access EC2 instance
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edited May 12 '10 at 6:00
answered May 11 '10 at 19:55
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Difference between Django's annotate and aggregate methods?
...gt; q = Book.objects.annotate(num_authors=Count('authors'))
>>> q[0].num_authors
2
>>> q[1].num_authors
1
q is the queryset of books, but each book has been annotated with the number of authors.
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how to get the current working directory's absolute path from irb
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answered Dec 21 '09 at 1:31
user85509user85509
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Rails hidden field undefined method 'merge' error
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edited Sep 15 '14 at 9:01
answered Jul 9 '11 at 19:10
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SQLAlchemy IN clause
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answered Dec 22 '11 at 11:20
SimonSimon
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How do I capture bash output to the Mac OS X clipboard?
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edited Jan 10 '10 at 2:09
answered Nov 18 '09 at 1:50
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What is the _references.js used for?
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Hakan Fıstık
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answered Apr 25 '12 at 16:21
Min MinMin Min
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How to do a git diff on moved/renamed file?
...addition/deletions compared to the file’s size). For example,
-M90% means git should consider a delete/add pair to be a rename if more than
90% of the file hasn’t changed.
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Python memory usage of numpy arrays
...mport numpy as np
>>> from sys import getsizeof
>>> a = [0] * 1024
>>> b = np.array(a)
>>> getsizeof(a)
8264
>>> b.nbytes
8192
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jQuery - get a list of values of an attribute from elements of a class
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answered May 2 '10 at 16:02
KobiKobi
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