大约有 9,000 项符合查询结果（耗时：0.0412秒） [XML]
Multiprocessing - Pipe vs Queue
What are the fundamental differences between queues and pipes in Python's multiprocessing package ?
2 Answers
...
How could I use requests in asyncio?
I want to do parallel http request tasks in asyncio , but I find that python-requests would block the event loop of asyncio . I've found aiohttp but it couldn't provide the service of http request using a http proxy.
...
How to sort a list of strings numerically?
...at this sounds trivial but I did not realize that the sort() function of Python was weird. I have a list of "numbers" that are actually in string form, so I first convert them to ints, then attempt a sort.
...
Retrieving the output of subprocess.call() [duplicate]
...
this page docs.python.org/library/subprocess.html#module-subprocess discourages using subprocess.PIPE, any idea how to overcome this?
– Vladimir Keleshev
Dec 13 '11 at 20:55
...
Should I use multiplication or division?
...
Python:
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 / 2.0'
real 0m26.676s
user 0m25.154s
sys 0m0.076s
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 * 0.5'
real 0m17.932s
user ...
Is there a way to pass optional parameters to a function?
Is there a way in Python to pass optional parameters to a function while calling it and in the function definition have some code based on "only if the optional parameter is passed"
...
Round a Floating Point Number Down to the Nearest Integer?
...
This seems like the most Pythonic approach.
– Gyan Veda
Jun 16 '14 at 19:40
23
...
Natural Sort Order in C#
... of non-primary sort weights if they occur in different sections (e.g. "e-1é" vs "é1e-" - the sections before and after the number have diacritic and punctuation weight differences).
public static int CompareNatural(string strA, string strB) {
return CompareNatural(strA, strB, CultureInfo.Cur...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
... answered Oct 27 '15 at 22:13
AGéoCoderAGéoCoder
43066 silver badges99 bronze badges
...
Python list subtraction operation
...is a "set subtraction" operation. Use the set data structure for that.
In Python 2.7:
x = {1,2,3,4,5,6,7,8,9,0}
y = {1,3,5,7,9}
print x - y
Output:
>>> print x - y
set([0, 8, 2, 4, 6])
share
|
...