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What are “first class” objects?
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edited May 23 '17 at 12:26
community wiki
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Python (and Python C API): __new__ versus __init__
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The difference mainly arises with mutable vs immutable types.
__new__ accepts a type as the fi...
What is __init__.py for?
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It used to be a required part of a package (old, pre-3.3 "regular package", not newer 3.3+ "namespace package").
Here's the documentation.
Python defines two types of packages, regular packages and namespace packages. Regular packages are traditional packages as they exist...
Does Python have an ordered set?
...ferred to from the Python 2 Documentation. This runs on Py2.6 or later and 3.0 or later without any modifications. The interface is almost exactly the same as a normal set, except that initialisation should be done with a list.
OrderedSet([1, 2, 3])
This is a MutableSet, so the signature for .uni...
In Python, how do I determine if an object is iterable?
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Edwin van der Helm
3333 bronze badges
answered Apr 10 at 11:24
Pekka KlärckPekka Klärck
1,99311...
How to print to console in pytest?
...est-2.5.2
plugins: cache, cov, pep8, xdist
collected 2 items
tmp.py 0
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.this should fail!
F
=================================== FAILURES ===================================
___________________________________ test_bad ___________________________________
def ...
Understanding the difference between __getattr__ and __getattribute__
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Some basics first.
With objects, you need to deal with its attributes. Ordinarily we do insta...
What does “mro()” do?
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answered Jan 6 '10 at 3:17
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
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Python read-only property
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answered Jan 29 '13 at 23:42
Silas RaySilas Ray
23.5k55 gold badges4141 silver badges5959 bronze badges
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Clang vs GCC for my Linux Development project
...lt;<’ in ‘std::cout << me’
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/ostream:112: note: candidates are: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>& (*)(std::basic_os...