大约有 30,000 项符合查询结果(耗时:0.0713秒) [XML]

https://stackoverflow.com/ques... 

Greenlet Vs. Threads

...can achieve with threads is significantly less. Additionally, threading in Python is more expensive and more limited than usual due to the GIL. Alternatives to concurrency are usually projects like Twisted, libevent, libuv, node.js etc, where all your code shares the same execution context, and regi...
https://stackoverflow.com/ques... 

How can I remove non-ASCII characters but leave periods and spaces using Python?

...XYZ !"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~ \t\n\r\x0b\x0c EDIT: On Python 3, filter will return an iterable. The correct way to obtain a string back would be: ''.join(filter(lambda x: x in printable, s)) share ...
https://stackoverflow.com/ques... 

Python Threading String Arguments

I have a problem with Python threading and sending a string in the arguments. 2 Answers ...
https://stackoverflow.com/ques... 

Converting int to bytes in Python 3

I was trying to build this bytes object in Python 3: 13 Answers 13 ...
https://stackoverflow.com/ques... 

Accessing the index in 'for' loops?

...h you would normally use in languages such as C or PHP), is considered non-pythonic. The better option is to use the built-in function enumerate(), available in both Python 2 and 3: for idx, val in enumerate(ints): print(idx, val) Check out PEP 279 for more. ...
https://stackoverflow.com/ques... 

How to merge lists into a list of tuples?

What is the Pythonic approach to achieve the following? 8 Answers 8 ...
https://stackoverflow.com/ques... 

How to install trusted CA certificate on Android device?

...o that production builds use the default trust profile. Add a file res/xml/network_security_config.xml to your app: <network-security-config> <debug-overrides> <trust-anchors> <!-- Trust user added CAs while debuggable only --> &...
https://stackoverflow.com/ques... 

Saving and loading objects and using pickle

...ent call last): File "<stdin>", line 1, in <module> File "C:\Python31\lib\pickle.py", line 1365, in load encoding=encoding, errors=errors).load() EOFError After you have read the contents of the file, the file pointer will be at the end of the file - there will be no further data t...
https://stackoverflow.com/ques... 

Convert string to variable name in python [duplicate]

... This is the best way, I know of to create dynamic variables in python. my_dict = {} x = "Buffalo" my_dict[x] = 4 I found a similar, but not the same question here Creating dynamically named variables from user input ...
https://stackoverflow.com/ques... 

Python Regex - How to Get Positions and Values of Matches

...m.group() 'message' >>> m.span() (4, 11) Combine that with: In Python 2.2, the finditer() method is also available, returning a sequence of MatchObject instances as an iterator. >>> p = re.compile( ... ) >>> iterator = p.finditer('12 drummers drumming, 11 ... 10 ...') ...