大约有 11,000 项符合查询结果（耗时：0.0283秒） [XML]
Disable assertions in Python
How do I disable assertions in Python?
6 Answers
6
...
What is an alternative to execfile in Python 3?
It seems they canceled in Python 3 all the easy way to quickly load a script by removing execfile()
12 Answers
...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
In Python, the (?P<group_name>…) syntax allows one to refer to the matched string through its name:
3 Answers
...
How do you test that a Python function throws an exception?
...
You can use Python's Built-in Exceptions to quickly test the assertion; using @Moe's answer above for example: self.assertRaises(TypeError, mymod.myfunc). You can find a full list of the Built-in Exceptions here: docs.python.org/3/librar...
Why does Python code use len() function instead of a length method?
I know that python has a len() function that is used to determine the size of a string, but I was wondering why it's not a method of the string object.
...
How can I get a list of locally installed Python modules?
I would like to get a list of Python modules, which are in my Python installation (UNIX server).
30 Answers
...
What is the 'pythonic' equivalent to the 'fold' function from functional programming?
...
The Pythonic way of summing an array is using sum. For other purposes, you can sometimes use some combination of reduce (from the functools module) and the operator module, e.g.:
def product(xs):
return reduce(operator.mul, ...
Should I use Python 32bit or Python 64bit
I have a win7 64bit installation. Must I use Python 64bit? What are the differences between the 32bit and 64bit Python versions anyway? Do different Python packages (such as south, django, mysqldb etc) support only 32bit/64bit?
...
Swift 和 .Net 开源，回顾 2015 年 9 大开源事件 - 开源 & Github - 清泛网...
...en-source-stories-of-2015原文出处：CIO-Swapnil Bhartiya译文出处：Linux story2015 年只剩下一周了，回过头看看发现 2015 异彩纷呈，称为开源之年也不过分。...2015年只剩下一周了，回过头看看发现2015异彩纷呈，称为开源之年也不过分。企业...
Why aren't python nested functions called closures?
I have seen and used nested functions in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ?
...