大约有 6,500 项符合查询结果（耗时：0.0203秒） [XML]
How to include package data with setuptools/distribute?
... is a low-down, dirty lie. It is only used when building binary packages (python setup.py bdist ...) but not when building source packages (python setup.py sdist ...). This is, of course, ridiculous -- one would expect that building a source distribution would result in a collection of files that ...
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 generate a unique ID in Python? [duplicate]
...
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
...
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.
...
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
...
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?
...
What's the best way to parse a JSON response from the requests library?
I'm using the python requests module to send a RESTful GET to a server, for which I get a response in JSON. The JSON response is basically just a list of lists.
...
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
...
What does enumerate() mean?
What does for row_number, row in enumerate(cursor): do in Python?
5 Answers
5
...
How to get all subsets of a set? (powerset)
...
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...