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Is there a way to do repetitive tasks at intervals?
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edited Nov 13 '17 at 16:04
gsamaras
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Add new row to dataframe, at specific row-index, not appended?
...ll:
existingDF <- as.data.frame(matrix(seq(20),nrow=5,ncol=4))
r <- 3
newrow <- seq(4)
insertRow <- function(existingDF, newrow, r) {
existingDF[seq(r+1,nrow(existingDF)+1),] <- existingDF[seq(r,nrow(existingDF)),]
existingDF[r,] <- newrow
existingDF
}
> insertRow(existi...
How to pass objects to functions in C++?
...lue much more attractive even for complex objects.
Rules of thumb for C++03:
Pass arguments by const reference, except when
they are to be changed inside the function and such changes should be reflected outside, in which case you pass by non-const reference
the function should be callable without...
Convert a matrix to a 1 dimensional array
I have a matrix (32X48).
10 Answers
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Why does the indexing start with zero in 'C'?
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Keith Thompson
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answered Sep 6 '11 at 13:29
Massimiliano Pel...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
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answered Mar 28 '09 at 23:48
Daniel EarwickerDaniel Earwicker
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How to parse a string to an int in C++?
... CC.CC.
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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...面的信息：
TIME_WAIT 814
CLOSE_WAIT 1
FIN_WAIT1 1
ESTABLISHED 634
SYN_RECV 2
LAST_ACK 1
常用的三个状态是：ESTABLISHED 表示正在通信，TIME_WAIT 表示主动关闭，CLOSE_WAIT 表示被动关闭。
具体每种状态什么意思，其实无需多说，看看下面这种...
How can I clear scrollback buffer in Tmux?
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13 Answers
13
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Easiest way to convert int to string in C++
...:
auto s = std::to_string(42);
Note: see [string.conversions] (21.5 in n3242)
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