大约有 34,000 项符合查询结果（耗时：0.0412秒） [XML]
How do I convert CamelCase into human-readable names in Java?
...t work. Thanks!
– gmm
Jan 7 '13 at 20:08
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How do I load my script into the node.js REPL?
...de of an async callback?
– Chet
Aug 20 '17 at 20:07
2
@Chet You write up a new StackOverflow ques...
How to add a custom right-click menu to a webpage?
...Event).
– Radek Benkel
Feb 5 '11 at 20:26
61
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SQL WHERE condition is not equal to?
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Praveen LoboPraveen Lobo
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How to check if object (variable) is defined in R?
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answered Feb 20 '12 at 21:51
Dirk EddelbuettelDirk Eddelbuettel
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Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
...oot
group: root
content: |
client_max_body_size 20M;
This generates a proxy.conf file inside of the /etc/nginx/conf.d directory. The proxy.conf file simply contains the one liner client_max_body_size 20M; which does the trick.
Note that for some platforms, this file wil...
Are “while(true)” loops so bad? [closed]
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220
I wouldn't say it's bad - but equally I would normally at least look for an alternative.
In si...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
... aniaania
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18
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How do you run a single test/spec file in RSpec?
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Ray Baxter
2,9962020 silver badges2323 bronze badges
answered Sep 27 '08 at 17:20
Cameron BoothCameron Booth
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Sample random rows in dataframe
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First make some data:
> df = data.frame(matrix(rnorm(20), nrow=10))
> df
X1 X2
1 0.7091409 -1.4061361
2 -1.1334614 -0.1973846
3 2.3343391 -0.4385071
4 -0.9040278 -0.6593677
5 0.4180331 -1.2592415
6 0.7572246 -0.5463655
7 -0.8996483 0.4231117
8 ...