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What is a clean, pythonic way to have multiple constructors in Python?
I can't find a definitive answer for this. As far as I know, you can't have multiple __init__ functions in a Python class. So how do I solve this problem?
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What is a None value?
... points. I thought that I would find the answer to my question, if I share it there.
9 Answers
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Python != operation vs “is not”
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== is an equality test. It checks whether the right hand side and the left hand side are equal objects (according to their __eq__ or __cmp__ methods.)
is is an identity test. It checks whether the right hand side and the left hand side ar...
Is it safe to push_back an element from the same vector?
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It looks like http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-closed.html#526 addressed this problem (or something very similar to it) as a potential defect in the standard:
1) Parameters taken by const reference can be c...
Viewing all defined variables [duplicate]
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edited Jan 13 '19 at 1:48
answered Mar 11 '09 at 2:36
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Import a file from a subdirectory?
.../tutorial/modules.html
In short, you need to put a blank file named
__init__.py
in the "lib" directory.
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What does the caret operator (^) in Python do?
I ran across the caret operator in python today and trying it out, I got the following output:
5 Answers
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Undefined reference to `pow' and `floor'
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You need to compile with the link flag -lm, like this:
gcc fib.c -lm -o fibo
This will tell gcc to link your code against the math lib. Just be sure to put the flag after the objects you want to link.
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Python unit test with base and sub class
I currently have a few unit tests which share a common set of tests. Here's an example:
15 Answers
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How to get the parents of a Python class?
...do type(C()).__bases__ as mentioned further below
– citynorman
Jan 5 at 15:55
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