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Ignore python multiple return value
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Brian ClapperBrian Clapper
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assertEquals vs. assertEqual in python
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itsjeyd
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answered May 31 '09 at 1:17
Jarret HardieJarr...
What are all the uses of an underscore in Scala?
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edited Dec 20 '18 at 2:41
som-snytt
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Python: Bind an Unbound Method?
...return 2 * self.val
bind(something, double)
something.double() # returns 42
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Python memoising/deferred lookup property decorator
...dproperty
class Foo(object):
def __init__(self):
self.value = 4
@cachedproperty
def cached_prop(self):
self.value += 1
return self.value
f = Foo()
print(f.value) # initial value
print(f.cached_prop) # cached property is calculated
f.value = 1
print(f.cached_...
How to identify platform/compiler from preprocessor macros?
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4 Answers
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How to retrieve a module's path?
...restisorestis
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Django filter queryset __in for *every* item in list
....create(name='holiday')
In [3]: t2 = Tag.objects.create(name='summer')
In [4]: p = Photo.objects.create()
In [5]: p.tags.add(t1)
In [6]: p.tags.add(t2)
In [7]: p.tags.all()
Out[7]: [<Tag: holiday>, <Tag: summer>]
Using chained filters approach:
In [8]: Photo.objects.filter(tags=t1).fi...
Explaining Python's '__enter__' and '__exit__'
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436
Using these magic methods (__enter__, __exit__) allows you to implement objects which can be u...
Python “raise from” usage
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240
The difference is that when you use from, the __cause__ attribute is set and the message states...