大约有 30,000 项符合查询结果（耗时：0.0470秒） [XML]
How do you write tests for the argparse portion of a python module? [closed]
...es the argparse library. How do I write tests for that section of the code base?
9 Answers
...
Disable migrations when running unit tests in Django 1.7
Django 1.7 introduced database migrations .
7 Answers
7
...
How do I find the duplicates in a list and create another list with them?
...anking slightly changes when pypy is used. Most interestingly, the Counter-based approach benefits hugely from pypy's optimizations, whereas the method caching approach I have suggested seems to have almost no effect.
$ pypy -mtimeit -s 'import test' 'test.JohnLaRooy(test.l)'
100000 loops, best of ...
How do I create a constant in Python?
...
Based on the documentation on AttributeError and TypeError, I think that the raised exception should be a new error, which I propose naming ConstantError or something like that, which is a subclass of TypeError. The section i...
How do you know when to use fold-left and when to use fold-right?
...oldr proceeds:
1 + (2 + (3 + 4))
where you can see the traversal to the base case 4 and building up the result from there.
So I posit a rule of thumb: if it looks like a list iteration, one that would be simple to write in tail-recursive form, foldl is the way to go.
But really this will be pro...
How do I check if there are duplicates in a flat list?
...an be ignored, which is the ultimate shortcut.
This is an interesting set based approach I adapted straight from moooeeeep:
def getDupes(l):
seen = set()
seen_add = seen.add
for x in l:
if x in seen or seen_add(x):
yield x
Accordingly, a full list of dupes would b...
Getting an empty JQuery object
...a change handler on a select box to show and hide some follow up questions based on the value of the selection.
4 Answers
...
What's the difference between globals(), locals(), and vars()?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
Python module for converting PDF to text [closed]
...
regarding python 3, there is a six-based fork pypi.python.org/pypi/pdfminer.six
– Denis Cornehl
Dec 4 '15 at 10:10
1
...
Real world example about how to use property feature in python?
...
if value > 10:
raise ValueError("This pedometer is based on the human stride - a stride length above 10m is not supported")
else:
self._stride_length = value
share
|
...