大约有 11,000 项符合查询结果（耗时：0.0358秒） [XML]
Installing SciPy and NumPy using pip
...depended on numpy and scipy. In a clean installation of Fedora 23, using a python virtual environment for Python 3.4 (also worked for Python 2.7), and with the following in my setup.py (in the setup() method)
setup_requires=[
'numpy',
],
install_requires=[
'numpy',
'scipy',
],
I found...
Reloading submodules in IPython
Currently I am working on a python project that contains sub modules and uses numpy/scipy. Ipython is used as interactive console. Unfortunately I am not very happy with workflow that I am using right now, I would appreciate some advice.
...
Best way to find the intersection of multiple sets?
...
From Python version 2.6 on you can use multiple arguments to set.intersection(), like
u = set.intersection(s1, s2, s3)
If the sets are in a list, this translates to:
u = set.intersection(*setlist)
where *a_list is list expan...
Comparing two dictionaries and checking how many (key, value) pairs are equal
... dictionaries [...]". The 'invalid dict' above with list keys is not valid python code - dict keys must be immutable. Therefore you are not comparing dictionaries. If you try and use a list as a dictionary key your code will not run. You have no objects for which to compare. This is like typing x = ...
Ignore .pyc files in git repository
...which will be captured by his find command.
For example:
./app.pyc
./lib/python2.7/_weakrefset.pyc
./lib/python2.7/abc.pyc
./lib/python2.7/codecs.pyc
./lib/python2.7/copy_reg.pyc
./lib/python2.7/site-packages/alembic/__init__.pyc
./lib/python2.7/site-packages/alembic/autogenerate/__init__.pyc
./li...
Difference between os.getenv and os.environ.get
...
One difference observed (Python27):
os.environ raises an exception if the environmental variable does not exist.
os.getenv does not raise an exception, but returns None
shar...
Effects of the extern keyword on C functions
...99 draft is available here: <open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf>. The actual standard is not free though (the draft is good enough for most purposes).
– dirkgently
May 13 '09 at 9:36
...
omp parallel vs. omp parallel for
...cts.
Taken from http://www.openmp.org/mp-documents/OpenMP3.0-SummarySpec.pdf
The specs for OpenMP are here:
https://openmp.org/specifications/
share
|
improve this answer
|
...
Difference between BeautifulSoup and Scrapy crawler?
...ed, pywin32, pyOpenSSL ete..). (Sorry for this silly question, i am new to python)
– Nishant Bhakta
Oct 30 '13 at 16:00
...
How does the @property decorator work in Python?
...> prop.__delete__(Foo())
Delete!
The Descriptor Howto includes a pure Python sample implementation of the property() type:
class Property:
"Emulate PyProperty_Type() in Objects/descrobject.c"
def __init__(self, fget=None, fset=None, fdel=None, doc=None):
self.fget = fget
...