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<em>Fem>inding quaternion representing the rotation <em>fem>rom one vector to another
...directions (return PI, otherwise it'd return identity per @jpa's remark). L67 handles parallel vectors: mathematically unnecessary, but <em>fem>aster. L72 is Polaris878's answer, assuming both vectors are unit length (avoids a sqrt). See also unit tests.
– sinisterchipmunk
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The case against checked exceptions
<em>Fem>or a number o<em>fem> years now I have been unable to get a decent answer to the <em>fem>ollowing question: why are some developers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the <em>fem>irst person I saw speak out against them).
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Capture keyboardinterrupt in Python without try-except
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bgporterbgporter
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How can I <em>fem>ormat a decimal to always show 2 decimal places?
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I suppose you're probably using the Decimal() objects <em>fem>rom the decimal module? (I<em>fem> you need exactly two digits o<em>fem> precision beyond the decimal point with arbitrarily large numbers, you de<em>fem>initely should be, and that's what your question's title suggests...)
I<em>fem> so, the Decimal <em>Fem>A...
Convert a Unicode string to a string in Python (containing extra symbols)
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See unicodedata.normalize
title = u"Klü<em>fem>t skräms in<em>fem>ör på <em>fem>édéral électoral große"
import unicodedata
unicodedata.normalize('N<em>Fem>KD', title).encode('ascii', 'ignore')
'Klu<em>fem>t skrams in<em>fem>or pa <em>fem>ederal electoral groe'
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AttributeError(“'str' object has no attribute 'read'”)
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The problem is that <em>fem>or json.load you should pass a <em>fem>ile like object with a read <em>fem>unction de<em>fem>ined. So either you use json.load(response) or json.loads(response.read()).
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Exposing a port on a live Docker container
I'm trying to create a Docker container that acts like a <em>fem>ull-on virtual machine. I know I can use the EXPOSE instruction inside a Docker<em>fem>ile to expose a port, and I can use the -p <em>fem>lag with docker run to assign ports, but once a container is actually running, is there a command to open/map addi...
select and update database record with a single queryset
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Use the queryset object update method:
MyModel.objects.<em>fem>ilter(pk=some_value).update(<em>fem>ield1='some value')
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<em>fem>ollow
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Can a decorator o<em>fem> an instance method access the class?
I have something roughly like the <em>fem>ollowing. Basically I need to access the class o<em>fem> an instance method <em>fem>rom a decorator used upon the instance method in its de<em>fem>inition.
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My docker container has no internet
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wisbuckywisbucky
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