大约有 46,000 项符合查询结果（耗时：0.0576秒） [XML]
Using Mockito to test abstract classes
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answered Nov 30 '10 at 19:25
Morten Lauritsen KhodabocusMorten Lauritsen Khodabocus
3,70733 gold badges1616 silver badges1010 bronze badges
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Apply multiple functions to multiple groupby columns
... 0.613445 0.242893 0
1 0.323911 0.464584 0.107215 0.204072 0.927325 0
2 0.321358 0.076037 0.166946 0.439661 0.914612 1
3 0.133466 0.447946 0.014815 0.130781 0.268290 1
In [26]: f = {'A':['sum','mean'], 'B':['prod']}
In [27]: df.groupby('GRP').agg(f)
Out[27]:
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Access nested dictionary items via a list of keys?
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answered Feb 4 '13 at 18:07
Martijn Pieters♦Martijn Pieters
839k212212 gold badges32183218 silver badges28092809 bronze badges
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How can I remove a trailing newline?
...racters (not just \r, \n)
– jfs
Jan 25 '16 at 6:57
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Getting back old copy paste behaviour in tmux, with mouse
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251
Copy the text: select the text and press mouse left-button with shift key press too.
Paste th...
Sequelize, convert entity to plain object
... the docs.
– Wumms
Mar 17 '16 at 16:25
Also useful if you already performed the query and thus can't issue raw: true
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Singular or plural controller and helper names in Rails
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Atul Vaibhav
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answered Oct 1 '10 at 3:09
jpgeekjpgeek
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
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edited May 28 '19 at 11:07
answered Feb 28 '12 at 8:35
mm...
How to get next/previous record in MySQL?
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259
next:
select * from foo where id = (select min(id) from foo where id > 4)
previous:
sel...
Best way to detect that HTML5 is not supported
... accurate results.
– Paul Irish
Apr 25 '12 at 16:07
@Paul: that's interesting, I tested the BlackBerry Storm emulators...