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Split column at delimiter in data frame [duplicate]
...'))
cbind(df, read.table(text = as.character(df$FOO), sep = "|"))
ID FOO V1 V2
1 11 a|b a b
2 12 b|c b c
3 13 x|y x y
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CruiseControl.Net 进行持续化集成 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
...了这些我们还需要设定子元素它用来指示日志记录的保存位置。CC.Net为我们提供了几种版本管理方式，可以用
来指定使用哪种类型的版本标签，如Date Labeller，Default Labeller等，具体也可以查阅文档。我们这里使用Date Laberller，所...
The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
...n wow that's awesome! when did they add that feature? please don't tell me v1.0 :-/
– Simon_Weaver
Sep 2 '15 at 1:26
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How to extract the hostname portion of a URL in JavaScript
... I have a web site and 2 applications in IIS. Eg: sub.domain.com/v1 and sub.domain.com/v2 and pages like sub.domain.com/v1/Default.aspx or sub.domain.com/v2/Products/Default.aspx , etc. How I can get value /v2, the root for my application sub.domain.com/v2 ?
– Kiquen...
How can I make git accept a self signed certificate?
...heme and host as a 'context' that only these settings apply
# Must use Git v1.8.5+ for these contexts to work
[credential "https://your.domain.com"]
username = user.name
# Uncomment the credential helper that applies to your platform
# Windows
# helper = manager
# OSX
# helper = osxkey...
vbscript output to console
... "
printf " |_| v1.0"
printl " Enter your name:"
MyVar = scanf
cls
printf "Your name is: " & MyVar
wait(5)
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C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
...上操作… 91
5.1 内存模型基础知识… 91
5.1.1 对象和内存位置… 91
5.1.2 对象，内存位置以及并发… 92
5.1.3 修改指令… 93
5.2 C++中的原子操作及类型… 93
5.2.1 标准原子类型… 94
5.2.2 std::atomic_flag运算… 96
5.2.3 基于std::atomic<bool>...
Best dynamic JavaScript/JQuery Grid [closed]
...f you search the web for that sentence, you'll find "The biggest change in v1.4 is the non-destructive DOM interaction. What this means is that DataTables will not overwrite the table elements in order to perform it's functions (true progressive enhancement!), rather it moves the elements around. In...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...s`#输出：8，这个语句的意思是：找出单词is在这名话中的位置
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参见本文档末尾的参考资料中Advanced Bash-Scripting Guid Chapter 10.1
数组
管道
条件判断
流程控制
和Java、PHP等语言不一样，sh的流程控制不可为空，如：
...
How to use ng-repeat without an html element
...
@DavidLin, in Angular v1.2 (whenever it comes out) you'll be able to repeat over multiple elements, e.g., dt and dd: youtube.com/watch?v=W13qDdJDHp8&t=17m28s
– Mark Rajcok
Jul 18 '13 at 13:50
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