大约有 40,000 项符合查询结果(耗时:0.0579秒) [XML]

https://stackoverflow.com/ques... 

How to get a reference to current module's attributes in Python

...he way I typically see this done is like this: import sys dir(sys.modules[__name__]) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Should import statements always be at the top of a module?

...t that's only paid once. Putting the imports within a function will cause calls to that function to take longer. So if you care about efficiency, put the imports at the top. Only move them into a function if your profiling shows that would help (you did profile to see where best to improve perform...
https://stackoverflow.com/ques... 

pandas three-way joining multiple dataframes on columns

...SV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person. ...
https://stackoverflow.com/ques... 

How can I create an error 404 in PHP?

My .htaccess redirects all requests to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages. ...
https://stackoverflow.com/ques... 

Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”

... You could try a solution posted here or here. Basically, add some lines to your ~/.bash_profile: export LC_ALL=en_US.UTF-8 export LANG=en_US.UTF-8 There is an outstanding bug report related to this issue. It appears that Python makes some assumptions about the format of l...
https://stackoverflow.com/ques... 

python assert with and without parenthesis

...through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument. Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentially called assert True when you wr...
https://stackoverflow.com/ques... 

How do I convert a Vector of bytes (u8) to a string

...("result: {}", s); } The conversion is in-place, and does not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available). The library reference for the conversion function: std::str::from_utf8 ...
https://stackoverflow.com/ques... 

Get __name__ of calling function's module in Python

....stack()[1] mod = inspect.getmodule(frm[0]) print '[%s] %s' % (mod.__name__, msg) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

JavaScript: location.href to open in new window/tab?

...notification in modern browsers, doesn't simulate a _blank anchor click at all. – Nathan Hornby Oct 1 '14 at 12:46 22 ...
https://stackoverflow.com/ques... 

Best way to assert for numpy.array equality?

..._equal is more reliable. update A few versions ago numpy obtained assert_allclose which is now my favorite since it allows us to specify both absolute and relative error and doesn't require decimal rounding as the closeness criterion. ...