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MySQL: What's the difference between float and double?
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They both represent floating point numbers. A FLOAT is for single-precision, while a DOUBLE is ...
SOAP server and client application VCL+indy demo for Delphi XE?
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I have posted the complete set of demos for SOAP on CodeCentral as item 28789.
These contain ev...
How to run multiple DOS commands in parallel?
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Bali CBali C
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Python OpenCV2 (cv2) wrapper to get image size?
... width, channels = img.shape
>>> print height, width, channels
600 800 3
In case you were working with binary images, img will have two dimensions, and therefore you must change the code to: height, width = img.shape
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Set attribute without value
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LixLix
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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(...
Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...uple.
However from Python 2.6 onwards you can use format instead of %:
'{0} in {1}'.format(unicode(self.author,'utf-8'), unicode(self.publication,'utf-8'))
Usage of % for formatting strings is no longer encouraged.
This method of string formatting is the new standard in Python 3.0, and shou...
dd: How to calculate optimal blocksize? [closed]
...ters... :( )
– Tom
Dec 9 '15 at 17:10
add a comment
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
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edited May 29 '17 at 23:01
dreftymac
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How do you implement an async action delegate method?
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The async equivalent of Action<T> is Func<T, Task>, so I believe this is what you'r...