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Multiprocessing - Pipe vs Queue
What are the fundamental differences between queues and pipes in Python's multiprocessing package ?
2 Answers
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How to run Conda?
I installed Anaconda and can run Python, so I assume that I installed it correctly. Following this introductory documentation , I am trying to install Python v3.3, so I am copying and pasting the following line into my console:
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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.
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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.
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Retrieving the output of subprocess.call() [duplicate]
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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
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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"
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Should I use multiplication or division?
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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 ...
How to generate a random string of a fixed length in Go?
...ted Jun 12 '19 at 6:11
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Feb 14 '16 at 23:30
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Round a Floating Point Number Down to the Nearest Integer?
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This seems like the most Pythonic approach.
– Gyan Veda
Jun 16 '14 at 19:40
23
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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])
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