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Good ways to sort a queryset? - Django
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What about
import operator
auths = Author.objects.order_by('-score')[:30]
ordered = sorted(auths, key=operator.attrgetter('last_name'))
In Django 1.4 and newer you can order by providing multiple fields.
Reference: https://docs.djangoproject.com/en/dev/ref/models/querysets/#order-by
order_by(...
How to center the content inside a linear layout?
..._parent"
android:layout_height="match_parent"
android:background="#000"
android:baselineAligned="false"
android:gravity="center"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/ac...
What's a good rate limiting algorithm?
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How can I quantify difference between two images?
... img2 = to_grayscale(imread(file2).astype(float))
# compare
n_m, n_0 = compare_images(img1, img2)
print "Manhattan norm:", n_m, "/ per pixel:", n_m/img1.size
print "Zero norm:", n_0, "/ per pixel:", n_0*1.0/img1.size
How to compare. img1 and img2 are 2D SciPy arrays here:
def comp...
TCP loopback connection vs Unix Domain Socket performance
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105
Yes, local interprocess communication by unix domain sockets should be faster than communicatio...
EOL conversion in notepad ++
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208
That functionality is already built into Notepad++. From the "Edit" menu, select "EOL Conversi...
How to update a git clone --mirror?
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ralphtheninjaralphtheninja
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How to test if list element exists?
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edited Oct 11 '11 at 3:01
answered Oct 10 '11 at 23:36
T...
Difference between Iterator and Listiterator?
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edited Aug 27 '15 at 20:14
answered Jun 11 '12 at 10:06
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Two sets of parentheses after function call
... so?
– Piotr Pawlik
Aug 22 '17 at 8:01
1
Thanks for this explanation! Really helped me to underst...