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Group by with multiple columns using lambda
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var query = source.GroupBy(x => new { x.Column1, x.Column2 });
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Accessing the logged-in user in a template
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edited Sep 19 '11 at 12:57
answered Sep 19 '11 at 11:24
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Adding a user to a group in django
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edited Dec 4 '17 at 9:04
answered Jun 9 '11 at 6:24
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How is set() implemented?
I've seen people say that set objects in python have O(1) membership-checking. How are they implemented internally to allow this? What sort of data structure does it use? What other implications does that implementation have?
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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
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21 Answers
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git add . vs git commit -a
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git commit -a means almost[*] the same thing as git add -u && git commit.
It's not th...
What are some uses of decltype(auto)?
In c++14 the decltype(auto) idiom is introduced.
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SET versus SELECT when assigning variables?
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417
Quote, which summarizes from this article:
SET is the ANSI standard for variable assignm...
Scatter plot and Color mapping in Python
... and y stored in numpy arrays.
Those represent x(t) and y(t) where t=0...T-1
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json_encode sparse PHP array as JSON array, not JSON object
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You are observing this behaviour because your array is not sequential - it has keys 0 and 2, b...