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How to randomize (or permute) a dataframe rowwise and columnwise?
...,1,1,1,0,1,0,1,1), ncol = 5)
set.seed(4)
out <- permatswap(mat, times = 99, burnin = 20000, thin = 500, mtype = "prab")
This gives:
R> out$perm[[1]]
[,1] [,2] [,3] [,4] [,5]
[1,] 1 0 1 1 1
[2,] 0 1 0 1 0
[3,] 0 0 0 1 1
[4,] 1 0 0 ...
to_string is not a member of std, says g++ (mingw)
... The patch wasn't enough for me, I had to #define _GLIBCXX_USE_C99 1 in C:\MinGW\lib\gcc\mingw32\4.8.1\include\c++\mingw32\bits\c++config.h as described here
– Zook
Mar 19 '15 at 19:47
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Force browser to download image files on click
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Leeroy
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answered Jul 8 '13 at 13:24
Richard Parnaby-KingRichard Parnaby-Ki...
How do you query for “is not null” in Mongo?
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user2293072user2293072
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淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...将这种热点数据隔离出来，不要让1%的请求影响到另外的99%，隔离出来后也更方便对这1%的请求做针对性优化。针对秒杀我们做了多个层次的隔离：
业务隔离。把秒杀做成一种营销活动，卖家要参加秒杀这种营销活动需要单...
C++ convert from 1 char to string? [closed]
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Cristian
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answered Jun 19 '13 at 21:32
MassaMassa
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How do I redirect output to a variable in shell? [duplicate]
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Bruno BronoskyBruno Bronosky
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Git cherry pick vs rebase
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Joe
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answered Dec 28 '12 at 16:43
Kenny HoKenny Ho
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How to declare a structure in a header that is to be used by multiple files in c?
...'t work (i.e. forward declaration)
Edit:
Corrected wrong assumption about C99 struct declaration, as rightfully remarked by Jonathan Leffler.
Edit 2018-06-01:
Craig Barnes reminds us in his comment that you don't need to keep separate names for the struct "tag" name and its "typedef" name, like I di...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
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Casey ChuCasey Chu
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