大约有 30,000 项符合查询结果（耗时：0.0380秒） [XML]
What does .SD stand for in data.table in R
.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it?
...
Shuffle two list at once with same order
I'm using the nltk library's movie_reviews corpus which contains a large number of documents. My task is get predictive performance of these reviews with pre-processing of the data and without pre-processing. But there is problem, in lists documents and documents2 I have the same documents ...
How can I parse a CSV string with JavaScript, which contains comma in data?
...y one possible definition for "comma-separated values".
Edit history
2014-05-19: Added disclaimer.
2014-12-01: Moved disclaimer to top.
share
|
improve this answer
|
follow...
Calculating arithmetic mean (one type of average) in Python
...
compie
9,1091414 gold badges5050 silver badges7373 bronze badges
answered Oct 10 '11 at 17:22
NPENPE
416k81...
How do I rename all files to lowercase?
I have for example TREE.wav, ONE.WAV. I want to rename it to tree.wav, one.wav. How do I rename all files to lowercase?
4 ...
Most concise way to convert a Set to a List
For example, I am currently doing this:
6 Answers
6
...
How to change the color of an svg element?
....785c1.711,0.297,2.961,1.781,2.961,3.518v0.093c0,1.72-1.223,3.188-2.914,3.505
c-37.093,6.938-124.97,21.35-134.613,21.35c-13.808,0-25-11.192-25-25c0-9.832,14.79-104.675,21.618-143.081
c0.274-1.542,1.615-2.669,3.181-2.669h0.008c1.709,0,3.164,1.243,3.431,2.932l18.933,119.904L382.816,265.785z"/>
...
Using LIMIT within GROUP BY to get N results per group?
...------------------------
| p01 | 2006,2003,2008,2001,2007,2009,2002,2004,2005,2000 |
| p02 | 2001,2004,2002,2003,2000,2006,2007 |
-----------------------------------------------------------
And then you could use FIND_IN_SET, that returns the position of the first argument inside th...
How to list all tags along with the full message in git?
... |
edited Feb 27 at 4:05
answered Oct 14 '14 at 17:33
s...
How do I get the Git commit count?
I'd like to get the number of commits of my Git repository, a bit like SVN revision numbers.
21 Answers
...