大约有 47,000 项符合查询结果(耗时:0.0706秒) [XML]

https://stackoverflow.com/ques... 

Why is nginx responding to any domain name?

I have nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my nginx.conf: ...
https://stackoverflow.com/ques... 

Importing files from different folder

...ere from a search engine, this is not the answer you are looking for. Typically you would structure your files into packages (see other answers) instead of modifying the search path. By default, you can't. When importing a file, Python only searches the directory that the entry-point script is runn...
https://stackoverflow.com/ques... 

Is it possible to specify your own distance function using scikit-learn K-Means Clustering?

... Here's a small kmeans that uses any of the 20-odd distances in scipy.spatial.distance, or a user function. Comments would be welcome (this has had only one user so far, not enough); in particular, what are your N, dim, k, metric ? #!/u...
https://stackoverflow.com/ques... 

How to find the installed pandas version

...trouble with some of pandas functionalities. How do I check what is my installation version? 6 Answers ...
https://stackoverflow.com/ques... 

What is “:-!!” in C code?

...sizeof(struct { int: -!!(e); })) (e): Compute expression e. !!(e): Logically negate twice: 0 if e == 0; otherwise 1. -!!(e): Numerically negate the expression from step 2: 0 if it was 0; otherwise -1. struct{int: -!!(0);} --> struct{int: 0;}: If it was zero, then we declare a struct with an an...
https://stackoverflow.com/ques... 

Programmatically generate video or animated GIF in Python?

I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will al...
https://stackoverflow.com/ques... 

Iterate an iterator by chunks (of n) in Python? [duplicate]

...y_list[i:i + chunk_size] for i in range(0, len(my_list), chunk_size)] Finally, a solution that works on general iterators an behaves as desired is def grouper(n, iterable): it = iter(iterable) while True: chunk = tuple(itertools.islice(it, n)) if not chunk: return...
https://stackoverflow.com/ques... 

How do I parse an ISO 8601-formatted date?

... Pypi name is python-dateutil, not dateutil (thanks code3monk3y): pip install python-dateutil If you're using Python 3.7, have a look at this answer about datetime.datetime.fromisoformat. share | ...
https://stackoverflow.com/ques... 

Getting the class name of an instance?

...note that the above method works with new-style classes only (in Python 3+ all classes are "new-style" classes). Your code might use some old-style classes. The following works for both: x.__class__.__name__ share ...
https://stackoverflow.com/ques... 

Python argparse: How to insert newline in the help text?

...nfortunately Only the name of this class is considered a public API. All the methods provided by the class are considered an implementation detail. So probably not a great idea, although it might not matter, since 2.7 is meant to be the last 2.x python and you'll be expected to refactor lots ...