大约有 11,000 项符合查询结果(耗时:0.0317秒) [XML]
How do I validate a date string format in python?
I have a python method which accepts a date input as a string .
5 Answers
5
...
Understanding the map function
...
map isn't particularly pythonic. I would recommend using list comprehensions instead:
map(f, iterable)
is basically equivalent to:
[f(x) for x in iterable]
map on its own can't do a Cartesian product, because the length of its output list is ...
Where is virtualenvwrapper.sh after pip install?
...d to .profile, pointing towards virtualenvwrapper.sh. I've checked all the python and site-packages directories, and I can't find any virtualenvwrapper.sh. Is this something I need to download separately? Is pip not installing correctly?
...
How to send POST request?
...
If you really want to handle with HTTP using Python, I highly recommend Requests: HTTP for Humans. The POST quickstart adapted to your question is:
>>> import requests
>>> r = requests.post("http://bugs.python.org", data={'number': 12524, 'type': 'iss...
Accessing MP3 metadata with Python [closed]
How can I retrieve mp3 metadata in Python?
16 Answers
16
...
Convert JSON string to dict using Python
I'm a little bit confused with JSON in Python.
To me, it seems like a dictionary, and for that reason
I'm trying to do that:
...
Determine the line of code that causes a segmentation fault?
...
I switched to arch-linux recently. My current directory doesn't contain the core dump file. How can I generate it?
– Abhinav
Nov 30 '16 at 5:44
...
Multiline strings in JSON
...ke to have some really long string values split over multiple lines. Using python's JSON module I get a whole lot of errors, whether I use \ or \n as an escape.
...
How to run code when a class is subclassed? [duplicate]
...etaclass.
A metaclass is to its class as a class is to its instance.
In Python2 you would define the metaclass of a class with
class SuperClass:
__metaclass__ = Watcher
where Watcher is a subclass of type.
In Python3 the syntax has been changed to
class SuperClass(metaclass=Watcher)
...
What is an OS kernel ? How does it differ from an operating system? [closed]
...dia player". A kernel doesn't match that definition.
So for an end-user a Linux distribution (say Ubuntu) is an Operating System while for a programmer the Linux kernel itself is a perfectly valid OS depending on what you're trying to achieve. For instance embedded systems are mostly just kernel wi...
