大约有 13,000 项符合查询结果（耗时：0.0225秒） [XML]
django unit tests without a db
...it like the following with --settings flag set to your new settings file:
python manage.py test myapp --settings='no_db_settings'
UPDATE: April/2018
Since Django 1.8, the module django.test.simple.DjangoTestSuiteRunner were moved to 'django.test.runner.DiscoverRunner'.
For more info check offic...
How does the Google “Did you mean?” Algorithm work?
...nteresting read about the "spelling correction" topic. The examples are in Python but it's clear and simple to understand, and I think that the algorithm can be easily
translated to other languages.
Below follows a short description of the algorithm.
The algorithm consists of two steps, preparatio...
how to convert an RGB image to numpy array?
...
You can use newer OpenCV python interface (if I'm not mistaken it is available since OpenCV 2.2). It natively uses numpy arrays:
import cv2
im = cv2.imread("abc.tiff",mode='RGB')
print type(im)
result:
<type 'numpy.ndarray'>
...
How to set Meld as git mergetool
...
You could use complete unix paths like:
PATH=$PATH:/c/python26
git config --global merge.tool meld
git config --global mergetool.meld.path /c/Program files (x86)/meld/bin/meld
This is what is described in "How to get meld working with git on Windows"
Or you can adopt the wrap...
How to compare two dates?
How would I compare two dates to see which is later, using Python?
5 Answers
5
...
Regex to match only letters
...t, perl, jgsoft, XML and XPath regexes support \p{L}. But major omissions: python and ruby (though python has the regex module).
– Philip Potter
Sep 1 '10 at 12:16
...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...e Scala Style Guide (page 21): http://www.codecommit.com/scala-style-guide.pdf
The recommended syntax for higher order methods calls is to always use braces, and to skip the dot:
val filtered = tupleList takeWhile { case (s1, s2) => s1 == s2 }
For "normal" metod calls you should use the dot a...
Why / when would it be appropriate to override ToString?
...Fortunately, such strategies are very common:
ISerializable (C#)
Pickle (Python)
JSON (Javascript or any language that implements it)
SOAP
etc...
Note: Unless you're using PHP because, herp-derp, there's a function for that ::snicker::
Reason 2 - ToString() is not enough:
I have yet to see a l...
Is there an interpreter for C? [closed]
...ng like an interpreter for C. That is, in a Linux terminal I can type in "python" and then code in that interpreter. (I'm not sure interpreter the right word). This is really helpful for testing different things out and I'm curious if something similar exists for C. Though I doubt it. The only ...
How to combine two or more querysets in a Django view?
...t_list),
key=lambda instance: instance.date_created)
If you're using Python 2.4 or later, you can use attrgetter instead of a lambda. I remember reading about it being faster, but I didn't see a noticeable speed difference for a million item list.
from operator import attrgetter
result_list =...