大约有 2,770 项符合查询结果(耗时:0.0105秒) [XML]
Linear Regression and group by in R
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Since 2009, dplyr has been released which actually provides a very nice way to do this kind of grouping, closely resembling what SAS does.
library(dplyr)
d <- data.frame(state=rep(c('NY', 'CA'), c(10, 10)),
yea...
Flexbox: center horizontally and vertically
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+1 because old 2009 and March 2012 working drafts still have significant user share (combined about 8% according to caniuse.com).
– benebun
Sep 24 '14 at 15:58
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master branch and 'origin/master' have diverged, how to 'undiverge' branches'?
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jarrodspillers.com/git/2009/08/19/…
– akhil_mittal
Mar 1 '17 at 11:44
1
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How to convert a Title to a URL slug in jQuery?
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and try
slug($('#field').val())
original by: http://dense13.com/blog/2009/05/03/converting-string-to-slug-javascript/
EDIT:
extended for more language specific chars:
var from = "ÁÄÂÀÃÅČÇĆĎÉĚËÈÊẼĔȆĞÍÌÎÏİŇÑÓÖÒÔÕØŘŔŠŞŤÚŮÜÙÛÝŸŽáäâàãåčçćď...
Map and Reduce in .NET
...to program in this style.
From the following article:
http://codecube.net/2009/02/mapreduce-in-c-using-linq/
the GroupBy method is acting as the map, while the Select method does the job of reducing the intermediate results into the final list of results.
var wordOccurrences = words
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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...整性,我们选择从源代码安装MySQL,需要注意的是早期的版本有内存泄漏,所以推荐安装最新的稳定版,激活WITH_INNODB_MEMCACHED即可:
shell> groupadd mysql
shell> useradd -r -g mysql mysql
shell> tar zxvf mysql-<VERSION>.tar.gz
shell> cd mysql-5.6.13
sh...
Check a radio button with javascript
...a.org/wiki/JQuery#History). querySelector wasn't shipped in browsers until 2009 and wasn't being used widely by developers until some time after that. I've never used jQuery all that much, but it significantly impacted on the evolution of JS.
– Rounin
Aug 22 '1...
Using Git with Visual Studio [closed]
...fficulty when using the command line. Look at hasan j's comment from April 2009.
– Jon Skeet
Jul 12 '10 at 16:10
I usu...
What's the status of multicore programming in Haskell?
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In the 2009-2012 period, the following things have happened:
2012:
From 2012, the parallel Haskell status updates began appearing in the Parallel Haskell Digest.
2011:
Parallel and Concurrent Programming in Haskell, a tutoria...
What is the difference between `throw new Error` and `throw someObject`?
... 'An error' or throw new Error('An error'):
http://www.nczonline.net/blog/2009/03/10/the-art-of-throwing-javascript-errors-part-2/
It suggests that the latter (new Error()) is more reliable, since browsers like Internet Explorer and Safari (unsure of versions) don't correctly report the message wh...
