大约有 9,000 项符合查询结果（耗时：0.0199秒） [XML]
Get table column names in MySQL?
... save bytes by using desc my_table; :-)
– Alfonso Pérez
Jan 28 '15 at 18:10
3
DESC for describ...
Changing column names of a data frame
...ot using names() instead of colnames()?
– Antoine Lizée
Oct 10 '13 at 6:40
5
Great! You can also...
Failed loading english.pickle with nltk.data.load
...
I had this same problem. Go into a python shell and type:
>>> import nltk
>>> nltk.download()
Then an installation window appears. Go to the 'Models' tab and select 'punkt' from under the 'Identifier' column. Then click Download and it wil...
How to stop flask application without using ctrl-c
...API, I am curious about how to code this. I am working on Ubuntu 12.10 and Python 2.7.3.
13 Answers
...
“x not in y” or “not x in y”
...
You've run into a CPython peephole optimisation; a compile-time optimisation that other Python implementations such as Jython and IronPython are free to ignore or copy (it is not part of the language specification).
– Mart...
Argparse optional positional arguments?
...
@dolan: Yes, + works, too. See docs.python.org/2/library/argparse.html#nargs for the details.
– Vinay Sajip
Jan 8 '13 at 23:53
2
...
Is there a way to provide named parameters in a function call in JavaScript?
... belt. One of my favorite languages that I have had the pleasure to use is Python. Python supports named parameters without any trickery.... Since I started using Python (some time ago) everything became easier. I believe that every language should support named parameters, but that just isn't the c...
“for loop” with two variables? [duplicate]
... And who doesn't love going through indenting everything to make python happy?
– mohbandy
Sep 20 '16 at 20:06
3
...
How do I split a multi-line string into multiple lines?
... empty line) better than split('\n'). Back then (2008) I was just a newbie Pythonista and grepping though my scripts now shows that I too am using splitlines() almost exclusively. I'm therefore deleting my 104-point answer (*sob...*) and will be endorsing this one instead.
– ef...