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__lt__ instead of __cmp__
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Yep, it's easy to implement everything in terms of e.g. __lt__ with a mixin class (or a metaclass, or a class decorator if your taste runs that way).
For example:
class ComparableMixin:
def __eq__(self, other):
return not ...
How to invoke the super constructor in Python?
In all other languages I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work.
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How to retrieve a module's path?
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edited Aug 15 '19 at 11:13
Roman Orac
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Confused about __str__ on list in Python [duplicate]
...t uses str(); printing a list containing an object uses str() for the list itself, but the implementation of list.__str__() calls repr() for the individual items.
So you should also overwrite __repr__(). A simple
__repr__ = __str__
at the end of the class body will do the trick.
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Is there a Python caching library?
...me Page
Caching Documentation
Good quick-start article about using Beaker with Django (but useful in any other apps too)
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Explaining Python's '__enter__' and '__exit__'
I saw this in someone's code. What does it mean?
6 Answers
6
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
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I've done this exact task before. But it was mainly to measure power consumption and CPU temperatures. The following code (which is fairly long) achieves close to optimal on my Core i7 2600K.
The key thing to note here is the massive amount of manual loop-unroll...
Multi-line string with extra space (preserved indentation)
I want to write some pre-defined texts to a file with the following:
10 Answers
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What would a “frozen dict” be?
I guess it could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
... should never be used if possible. While perusing libavcodec (which is written in C) the other day, I noticed multiple uses of it. Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
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