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What is the meaning of single and double underscore before an object name?
...t meaning of having leading underscores before an object's name in Python, and the difference between both?
15 Answers
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Purpose of Python's __repr__
... for someone confused over this, imho. (If I've gone to far, just re-edit, and I'll owe you a beer.)
– Roger Pate
Dec 31 '09 at 6:47
2
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What is __future__ in Python used for and how/when to use it, and how it works
__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc .
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Multi-line string with extra space (preserved indentation)
...c sounds more convenient for this purpose. It is used to send multiple commands to a command interpreter program like ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates where to stop.
To send these lines to a file, use:
c...
How to use a dot “.” to access members of dictionary?
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Recommend adding getstate and setstate so that deep copy and other systems can support it.
– user1363990
Sep 27 '17 at 3:01
4
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Are static class variables possible in Python?
...t;>> MyClass.i, m.i
>>> (3, 4)
This is different from C++ and Java, but not so different from C#, where a static member can't be accessed using a reference to an instance.
See what the Python tutorial has to say on the subject of classes and class objects.
@Steve Johnson has alrea...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
... the difference between __PRETTY_FUNCTION__ , __FUNCTION__ , __func__ , and where are they documented? How do I decide which one to use?
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Using property() on classmethods
...lass with two class methods (using the classmethod() function) for getting and setting what is essentially a static variable. I tried to use the property() function with these, but it results in an error. I was able to reproduce the error with the following in the interpreter:
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What __init__ and self do on Python?
I'm learning the Python programming language and I've came across something I don't fully understand.
18 Answers
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__FILE__, __LINE__, and __FUNCTION__ usage in C++
...s them, is there any particular reason not to use __FILE__ , __LINE__ and __FUNCTION__ for logging and debugging purposes?
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