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What does “coalgebra” mean in the context of programming?
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Passing command line arguments to R CMD BATCH
...it from the command line looks like
> Rscript myScript.R 5 100
[1] 98.46435 100.04626 99.44937 98.52910 100.78853
Edit:
Not that I'd recommend it, but ... using a combination of source() and sink(), you could get Rscript to produce an .Rout file like that produced by R CMD BATCH. One wa...
Stripping everything but alphanumeric chars from a string in Python
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I just timed some functions out of curiosity. In these tests I'm removing non-alphanumeric cha...
Can I get “&&” or “-and” to work in PowerShell?
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edited Nov 29 '19 at 0:49
answered Feb 19 '09 at 5:51
Ja...
java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...什么要存在?2缓存可以存在于什么地方?3缓存有哪些属性?4缓存介质?搞清楚这4个问题,那么我们就可以随意的通过应用的场景来判断使用何...1、缓存为什么要存在？
2、缓存可以存在于什么地方？
3、缓存有哪些属性？
4、缓存...
What is the best way to compute trending topics or tags?
Many sites offer some statistics like "The hottest topics in the last 24h". For example, Topix.com shows this in its section "News Trends". There, you can see the topics which have the fastest growing number of mentions.
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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
...换到当前用户的home目录
第3行：创建一个目录shell_tut
第4行：切换到shell_tut目录
第5行：循环条件，一共循环10次
第6行：创建一个test_1…10.txt文件
第7行：循环体结束
cd, mkdir, touch都是系统自带的程序，一般在/bin或者/usr/bin...
Best way to serialize an NSData into a hexadeximal string
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edited Nov 1 '14 at 20:53
answered Jan 31 '12 at 18:18
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'const int' vs. 'int const' as function parameters in C++ and C
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edited May 30 '18 at 11:04
answered Oct 2 '08 at 14:14
Kon...
LEFT JOIN only first row
...t query !!!
– Thư Sinh
Mar 10 at 7:48
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