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Why return NotImplemented instead of raising NotImplementedError
...aised and can be used in further tests.
http://jcalderone.livejournal.com/32837.html
To summarise that link:
"NotImplemented signals to the runtime that it should ask someone else to satisfy the operation. In the expression a == b, if a.__eq__(b) returns NotImplemented, then Python tries b.__e...
How can I open multiple files using “with open” in Python?
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As of Python 2.7 (or 3.1 respectively) you can write
with open('a', 'w') as a, open('b', 'w') as b:
do_something()
In earlier versions of Python, you can sometimes use
contextlib.nested() to nest context managers. This won't work as expe...
PHP Get Site URL Protocol - http vs https
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answered Dec 21 '10 at 19:38
profitphpprofitphp
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Stop pip from failing on single package when installing with requirements.txt
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238
Running each line with pip install may be a workaround.
cat requirements.txt | xargs -n 1 pip ...
How to disable GCC warnings for a few lines of code
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edited Aug 3 '10 at 7:06
answered Aug 3 '10 at 7:01
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Explaining Python's '__enter__' and '__exit__'
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436
Using these magic methods (__enter__, __exit__) allows you to implement objects which can be us...
Forced naming of parameters in Python
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223
In Python 3 - Yes, you can specify * in the argument list.
From docs:
Parameters after “*...
How can I represent an 'Enum' in Python?
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43 Answers
43
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Two way/reverse map [duplicate]
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edited Jul 10 '14 at 3:09
answered Nov 7 '12 at 18:53
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Importing modules from parent folder
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edited Jan 12 '17 at 18:30
MERose
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answered Apr...