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string.Format() giving “Input string is not in correct format”
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How to instantiate non static inner class within a static method?
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205
You have to have a reference to the other outer class as well.
Inner inner = new MyClass().ne...
Check difference in seconds between two times
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267
Assuming dateTime1 and dateTime2 are DateTime values:
var diffInSeconds = (dateTime1 - dateTi...
How can I turn off Visual Studio 2013 Preview?
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211
From the menu go to Tools -> Options then navigate to Environment -> Tabs and Windows an...
What is pseudopolynomial time? How does it differ from polynomial time?
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2 Answers
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Difference between this and self in self-type annotations?
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2 Answers
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Pandas DataFrame Groupby two columns and get counts
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Followed by @Andy's answer, you can do following to solve your second question:
In [56]: df.gr...
Difference between Django's annotate and aggregate methods?
...jects.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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Ignore .pyc files in git repository
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edited Jun 2 '15 at 8:23
answered Apr 5 '11 at 11:50
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