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What is __future__ in Python used for and how/when to use it, and how it works
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405
With __future__ module's inclusion, you can slowly be accustomed to incompatible changes or to...
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...
Iterate over object attributes in python
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answered Jul 24 '12 at 18:54
MeithamMeitham
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Can modules have properties the same way that objects can?
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edited Mar 31 '19 at 9:48
mari.mts
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answered May 19 '09 at 1:09
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How to invoke the super constructor in Python?
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edited Mar 17 '17 at 5:40
answered Oct 17 '15 at 20:17
A...
How to extract the year from a Python datetime object?
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4 Answers
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Active
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What is the fastest way to get the value of π?
...are a lot of formulae.
Here is a method that converges quickly — about 14 digits per iteration. PiFast, the current fastest application, uses this formula with the FFT. I'll just write the formula, since the code is straightforward. This formula was almost found by Ramanujan and discovered by Chu...
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...
Compare object instances for equality by their attributes
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wim
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answered Aug 4 '09 at 12:47
e-satise-sati...
Confused about __str__ on list in Python [duplicate]
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146
Python has two different ways to convert an object to a string: str() and repr(). Printing an ...