大约有 11,000 项符合查询结果（耗时：0.0227秒） [XML]
How can I generate a unique ID in Python? [duplicate]
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You might want Python's UUID functions:
21.15. uuid — UUID objects according to RFC 4122
eg:
import uuid
print uuid.uuid4()
7d529dd4-548b-4258-aa8e-23e34dc8d43d
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How to do a scatter plot with empty circles in Python?
In Python, with Matplotlib, how can a scatter plot with empty circles be plotted? The goal is to draw empty circles around some of the colored disks already plotted by scatter() , so as to highlight them, ideally without having to redraw the colored circles.
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com.jcraft.jsch.JSchException: UnknownHostKey
...ar with Windows) uses their own format for ssh keys. With most variants of Linux and BSD that I've seen, you just have to look in ~/.ssh/known_hosts. I usually ssh from a Linux machine and then copy this file to a Windows machine. Then I use something similar to
jsch.setKnownHosts("C:\\Users\\cabb...
Logic to test that 3 of 4 are True
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If this had been Python, I would have written
if [a, b, c, d].count(True) == 3:
Or
if [a, b, c, d].count(False) == 1:
Or
if [a, b, c, d].count(False) == True:
# In Python True == 1 and False == 0
Or
print [a, b, c, d].count(0) == 1
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What browsers support HTML5 WebSocket API?
...n PHP:
Ratchet
phpwebsocket.
Extendible Web Socket Server
phpdaemon
In Python:
pywebsockets
websockify
gevent-websocket, gevent-socketio and flask-sockets based on the former
Autobahn
Tornado
In C:
libwebsockets
In Node.js:
Socket.io : Socket.io also has serverside ports for Python, Ja...
How can I stop redis-server?
...ss. Here are the steps I used to stop the process: pkill redis-server on a linux box
– user2932053
Sep 8 '17 at 14:27
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Why are empty strings returned in split() results?
... I was shocked to discover that curly quotes are actually valid in Python...but, but...how? The docs don't seem to mention this.
– Tim Pietzcker
Oct 8 '12 at 11:18
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How to check if a file exists in Go?
...not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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What is a mixin, and why are they useful?
In " Programming Python ", Mark Lutz mentions "mixins". I'm from a C/C++/C# background and I have not heard the term before. What is a mixin?
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How to get all subsets of a set? (powerset)
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The Python itertools page has exactly a powerset recipe for this:
from itertools import chain, combinations
def powerset(iterable):
"powerset([1,2,3]) --> () (1,) (2,) (3,) (1,2) (1,3) (2,3) (1,2,3)"
s = list(iterabl...