大约有 9,000 项符合查询结果(耗时:0.0296秒) [XML]
What's the difference between a method and a function?
... C#, there are only methods.
For C, there are only functions.
For C++ and Python it would depend on whether or not you're in a class.
share
|
improve this answer
|
follow
...
if A vs if A is not None:
...
@cedbeu, Seems to depend on the value of A. I tested now python -m timeit -s"a=0" "if a: pass" "else: pass" is faster than python -m timeit -s"a=0" "if a is None: pass" "else: pass" but python -m timeit -s"a=1" "if a: pass" "else: pass" is slower. Might be platform dependant, see i...
How to migrate/convert from SVN to Mercurial (hg) on windows
... I tried using svn:// instead of file:// but it keeps asking for Python bindings
– fglez
May 27 '09 at 14:30
...
Difference between except: and except Exception as e: in Python
...ing to watch out for" looks a little weird now, but at the time I expected Python to pick the most specific except block, regardless of where it was, and was a little disappointed to find out otherwise.
– Vanessa Phipps
Sep 5 '14 at 15:37
...
How to use `subprocess` command with pipes
...
The output of ps.communicate()[0] in python3 returns a bytes object.
– Miguel Ortiz
Aug 18 at 14:48
add a comment
|
...
Using print statements only to debug
I have been coding a lot in Python of late. And I have been working with data that I haven't worked with before, using formulae never seen before and dealing with huge files. All this made me write a lot of print statements to verify if it's all going right and identify the points of failure. But, ...
When I catch an exception, how do I get the type, file, and line number?
...
@DanielPryden Python docs are also using the same unpacking method docs.python.org/2/library/traceback.html#traceback-examples
– user
Aug 7 '14 at 3:49
...
List attributes of an object
...
The issue of dict usage just showed up on r/python. someone pointed out that vars(a) is equivalent to a.__dict__
– David
Jan 12 '13 at 5:15
5
...
Pros and cons to use Celery vs. RQ [closed]
Currently I'm working on python project that requires implement some background jobs (mostly for email sending and heavily database updates). I use Redis for task broker. So in this point I have two candidates: Celery and RQ . I had some experience with these job queues, but I want to ask you guy...
How to make IPython notebook matplotlib plot inline
I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0.
10 Answers
...
