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Write lines of text to a file in R
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fileConn<-file("output.txt")
writeLines(c("Hello","World"), fileConn)
close(fileConn)
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How do I find the current executable filename? [duplicate]
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System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName
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What is a singleton in C#?
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A singleton is a class which only allows one instance of itself to be created - and gives simpl...
How good is Java's UUID.randomUUID?
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answered Mar 25 '10 at 10:43
Michael BorgwardtMichael Borgwardt
320k7373 gold badges453453 silver badges688688 bronze badges
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由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，而火车票瞬时有千万级别甚至是亿级别的）（更新：2014年1月11日：来了淘宝后，对淘宝的系统有了解，淘宝的秒杀活动，本质上是用输验证码并在CDN上把用户直接过滤掉了，比如：1千万个用户过滤了只剩2万个用户，这样数据...
VS2013 permanent CPU usage even though in idle mode
... updated VS2013 to Update 1 and since then VS takes CPU usage to 25% (on a 4 cores intel i5 cpu) permanently even though it's supposed to be idle. I thought it has some unfinished background processes so I left it running for a while but it keeps using the cpu when it's supposed to be idle.
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find: missing argument to -exec
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A -exec command must be terminated with a ; (so you usually need to type \; or ';' to avoid int...
Can a class member function template be virtual?
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Templates are all about the compiler generating code at compile-time. Virtual functions are all ...
How to check if a String contains only ASCII?
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edited Nov 13 '18 at 18:45
Maarten Bodewes
76.4k1212 gold badges114114 silver badges213213 bronze badges
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How can I remove all objects but one from the workspace in R?
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AndrieAndrie
157k3636 gold badges403403 silver badges463463 bronze badges
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