大约有 47,000 项符合查询结果（耗时：0.0446秒） [XML]
What does “@@ -1 +1 @@” mean in Git's diff output?
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Todd A. JacobsTodd A. Jacobs
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How do you downgrade rubygems?
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answered Feb 14 '11 at 13:55
pseidemannpseidemann
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python tuple to dict
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jterracejterrace
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pandas: multiple conditions while indexing data frame - unexpected behavior
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answered Mar 23 '14 at 13:02
DSMDSM
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Uninstall old versions of Ruby gems
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edited Dec 28 '13 at 23:39
Steven Penny
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How can I get the intersection, union, and subset of arrays in Ruby?
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edited Oct 13 '15 at 0:55
dinjas
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How to get row from R data.frame
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x[r,]
where r is the row you're interested in. Try this, for example:
#Add your data
x <...
No secret option provided to Rack::Session::Cookie warning?
...ug discussion: https://github.com/rails/rails/issues/7372#issuecomment-11981397
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Selecting pandas column by location
...6277 2.583704 -0.776403
2 1.457809 -0.407279 -1.560583 -1.316246
3 -0.757134 -1.321025 1.325853 -2.513373
4 1.366180 -1.265185 -2.184617 0.881514
>>> df.iloc[:, 2]
0 0.282734
1 2.583704
2 -1.560583
3 1.325853
4 -2.184617
Name: C
>>> df[df.columns[2]]
0 0.282734...
How to return a part of an array in Ruby?
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answered Feb 13 '14 at 5:23
Lenin Raj RajasekaranLenin Raj Rajasekaran
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