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How to query as GROUP BY in django?
... you can use the aggregation features of the ORM:
from django.db.models import Count
Members.objects.values('designation').annotate(dcount=Count('designation'))
This results in a query similar to
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
and the output ...
linq query to return distinct field values from a list of objects
Assume there is list with 100 elements of obj, but only 10 unique typeIDs.
Is it possible to do write a LINQ query return the 10 unique ints from the list of objs?
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Keyboard Interrupts with python's multiprocessing Pool
How can I handle KeyboardInterrupt events with python's multiprocessing Pools? Here is a simple example:
10 Answers
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Ruby: Can I write multi-line string with no concatenation?
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There are pieces to this answer that helped me get what I needed (easy multi-line concatenation WITHOUT extra whitespace), but since none of the actual answers had it, I'm compiling them here:
str = 'this is a multi-line string'\
' ...
How can I use “sizeof” in a preprocessor macro?
Is there any way to use a sizeof in a preprocessor macro?
13 Answers
13
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How to duplicate a whole line in Vim?
How do I duplicate a whole line in Vim in a similar way to Ctrl + D in IntelliJ IDEA/ Resharper or Ctrl + Alt + ↑ / ↓ in Eclipse ?
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SublimeText encloses lines in white rectangles
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edited Dec 1 '16 at 21:58
Christopher Rapcewicz
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Which method performs better: .Any() vs .Count() > 0?
in the System.Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods .
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How do I tar a directory of files and folders without including the directory itself?
I typically do:
17 Answers
17
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Flushing footer to bottom of the page, twitter bootstrap
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Found the snippets here works really well for bootstrap
Html:
<div id="wrap">
<div id="main" class="container clear-top">
<p>Your content here</p>
</div>
</div>
<footer class="footer">&...