大约有 6,400 项符合查询结果(耗时:0.0181秒) [XML]

https://stackoverflow.com/ques... 

In Python, how to display current time in readable format

...-0400. %Z gives you current timezone name (or abbreviation) automatically. Python doesn't support %l, you could use %I instead. – jfs Dec 14 '13 at 19:30 ...
https://stackoverflow.com/ques... 

What is the __del__ method, How to call it?

...r the function ends. In particular, unless there are circular references, CPython (the standard Python implementation) will garbage collect immediately. However, this is an implementation detail of CPython. The only required property of Python garbage collection is that it happens after all refere...
https://stackoverflow.com/ques... 

How can I shuffle the lines of a text file on the Unix command line or in a shell script?

...huf() { perl -MList::Util=shuffle -e 'print shuffle(<>);' "$@"; } Python-based function, adapted from scai's answer: shuf() { python -c ' import sys, random, fileinput; from signal import signal, SIGPIPE, SIG_DFL; signal(SIGPIPE, SIG_DFL); lines=[line for line in fileinput.input()]; ...
https://stackoverflow.com/ques... 

Python Dictionary to URL Parameters

I am trying to convert a Python dictionary to a string for use as URL parameters. I am sure that there is a better, more Pythonic way of doing this. What is it? ...
https://stackoverflow.com/ques... 

How to convert integer timestamp to Python datetime

...for the format, so I'm not sure how the timestamp is formatted. I've tried Python's standard datetime.fromordinal() and datetime.fromtimestamp() and a few others, but nothing matches. I'm pretty sure that particular number corresponds to the current date (e.g. 2012-3-16), but not much more. ...
https://stackoverflow.com/ques... 

Counting array elements in Python [duplicate]

...e usually "special methods" implementing one of the standard interfaces in Python (container, number, etc). Special methods are used via syntactic sugar (object creation, container indexing and slicing, attribute access, built-in functions, etc.). Using obj.__len__() wouldn't be the correct way of...
https://stackoverflow.com/ques... 

How to get the current time in Python

... Which version of Python was the original answer given in? Just typing datetime.datetime.now() in my Python 2.7 interactive console (IronPython hasn't updated yet) gives me the same behavior as the newer example using print() in the answer. I ...
https://stackoverflow.com/ques... 

What does the “yield” keyword do?

What is the use of the yield keyword in Python, and what does it do? 42 Answers 42 ...
https://stackoverflow.com/ques... 

Why is __init__() always called after __new__()?

...r tuple. From April 2008 post: When to use __new__ vs. __init__? on mail.python.org. You should consider that what you are trying to do is usually done with a Factory and that's the best way to do it. Using __new__ is not a good clean solution so please consider the usage of a factory. Here you h...
https://stackoverflow.com/ques... 

how to change any data type into a string in python

How can I change any data type into a string in Python? 10 Answers 10 ...