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Update just one gem with bundler
... TimTim
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
..."A scaling law for the validation-set training-set ratio size" (I. Guyon, 1996, Unpublished Technical Report, AT&T Bell Laboratories).
– theforestecologist
Aug 23 '16 at 19:00
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Extract a regular expression match
... use PERL regexs' lazy matching:
> sub(".*?([0-9]+).*", "\\1", "aaa12xx99",perl=TRUE)
[1] "12"
Trying to substitute out non-digits will lead to an error in this case.
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What is the difference between #include and #include “filename”?
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Fritz
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answered Sep 16 '08 at 21:06
piCookiepiCookie
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@Scope(“prototype”) bean scope not creating new bean
... kartheekkartheek
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Calling a function on bootstrap modal open
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William Miller
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answered Apr 28 '14 at 15:18
viper_tkdviper_tkd
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Best Practice: Access form elements by HTML id or name attribute?
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Give your form an id only, and your input a name only:
<form id="myform">
<input ty...
企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...试验）：
$ host -t a google.com
google.com has address 72.14.207.99
google.com has address 64.233.167.99
google.com has address 64.233.187.99
$ host -t a google.com
google.com has address 64.233.187.99
google.com has address 72.14.207.99
google.com has address 64.233.167.99
可...
Map over object preserving keys
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GG.GG.
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AngularJS ng-if with multiple conditions
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Edric
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answered Nov 30 '13 at 20:19
Maxim ShoustinMaxim S...