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Is there a standard way to list names of Python modules in a package?
...here a straightforward way to list the names of all modules in a package, without using __all__ ?
10 Answers
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How can I represent an 'Enum' in Python?
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Enums have been added to Python 3.4 as described in PEP 435. It has also been backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4 on pypi.
For more advanced Enum techniques try the aenum library (2.7, 3.3+, same author as enum34. Code is not perfectly compatible between py2 and py3,...
How to sort two lists (which reference each other) in the exact same way
...ur')
These of course are no longer lists, but that's easily remedied, if it matters:
>>> list1, list2 = (list(t) for t in zip(*sorted(zip(list1, list2))))
>>> list1
[1, 1, 2, 3, 4]
>>> list2
['one', 'one2', 'two', 'three', 'four']
It's worth noting that the above may ...
What is the difference between _tmain() and main() in C++?
If I run my C++ application with the following main() method everything is OK:
5 Answers
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What's the (hidden) cost of Scala's lazy val?
...e of Scala is lazy val , where the evaluation of a val is delayed until it's necessary (at first access).
6 Answers
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Python “raise from” usage
...and the message states that the exception was directly caused by. If you omit the from then no __cause__ is set, but the __context__ attribute may be set as well, and the traceback then shows the context as during handling something else happened.
Setting the __context__ happens if you used raise i...
Using os.walk() to recursively traverse directories in Python
I want to navigate from the root directory to all other directories within and print the same.
13 Answers
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How to divide flask app into multiple py files?
My flask application currently consists of a single test.py file with multiple routes and the main() route defined. Is there some way I could create a test2.py file that contains routes that were not handled in test.py ?
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Is there a range class in C++11 for use with range based for loops?
I found myself writing this just a bit ago:
8 Answers
8
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How to create the most compact mapping n → isprime(n) up to a limit N?
... there would be a data structure I could query.
I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant.
Just an example of what I am looking for: I could represent every odd number with one bit...