大约有 12,000 项符合查询结果(耗时:0.0250秒) [XML]
What is sys.maxint in Python 3?
...resent a maximum integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get:
6 Answers
...
How to obtain a Thread id in Python?
I have a multi-threading Python program, and a utility function, writeLog(message) , that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message.
...
What's the best way to generate a UML diagram from Python source code? [closed]
A colleague is looking to generate UML class diagrams from heaps of Python source code.
He's primarily interested in the inheritance relationships, and mildly interested in compositional relationships, and doesn't care much about class attributes that are just Python primitives.
...
Why are data transfer objects (DTOs) an anti-pattern?
...ample:
http://www.softwaresummit.com/2003/speakers/DudneyJ2EEAntiPatterns.pdf
There are also a number of abuses of DTOs mentioned here:
http://anirudhvyas.com/root/2008/04/19/abuses-of-dto-pattern-in-java-world/
They originated because of three tier systems (typically using EJB as technology) as...
How Big can a Python List Get?
In Python, how big can a list get? I need a list of about 12000 elements. Will I still be able to run list methods such as sorting, etc?
...
How to select Python version in PyCharm?
...
File -> Settings
Preferences->Project Interpreter->Python Interpreters
If it's not listed add it.
share
|
improve this answer
|
follow
...
How to disable python warnings
...
There's the -W option.
python -W ignore foo.py
share
|
improve this answer
|
follow
|
...
Parsing JSON with Unix tools
... do this with tools that are likely already installed on your system, like Python using the json module, and so avoid any extra dependencies, while still having the benefit of a proper JSON parser. The following assume you want to use UTF-8, which the original JSON should be encoded in and is what m...
Python idiom to return first item or None
...
Python 2.6+
next(iter(your_list), None)
If your_list can be None:
next(iter(your_list or []), None)
Python 2.4
def get_first(iterable, default=None):
if iterable:
for item in iterable:
return it...
Regular expression to allow spaces between words
...ccidental double-spaces, or if you're working with copy-pasted text from a PDF), then add a + after the space:
^\w+( +\w+)*$
If you want to allow tabs and newlines (whitespace characters), then replace the space with a \s+:
^\w+(\s+\w+)*$
Here I suggest the + by default because, for example, Wi...
