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How to concatenate multiple lines of output to one line?
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246
Use tr '\n' ' ' to translate all newline characters to spaces:
$ grep pattern file | tr '\n' '...
A top-like utility for monitoring CUDA activity on a GPU
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answered Jul 18 '18 at 15:43
AlleoAlleo
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StringIO in Python3
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HoldOffHunger
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answered Aug 17 '13 at 3:43
Brent BradburnBrent ...
@selector() in Swift?
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In Swift 2.2 (Xcode 7.3) and later (including Swift 3 / Xcode 8 and Swift 4 / Xcode 9):
You can construct a Selector from a Swift function type using the #selector expression.
let timer = Timer(timeInterval: 1, target: object,
selector: #selector(MyClass.test),
u...
javascript: recursive anonymous function?
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147
You can give the function a name, even when you're creating the function as a value and not a "...
How to have the cp command create any necessary folders for copying a file to a destination [duplica
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answered Dec 29 '12 at 19:24
lhunathlhunath
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How to append rows to an R data frame
...e the data.frame is created as the last step.
# Use preallocated vectors
f4 <- function(n) {
x <- numeric(n)
y <- character(n)
for (i in 1:n) {
x[i] <- i
y[i] <- i
}
data.frame(x, y, stringsAsFactors=FALSE)
}
microbenchmark from the "microbenchmark" package will g...
nvm keeps “forgetting” node in new terminal session
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answered Jul 5 '14 at 14:00
dylantsdylants
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Adding :default => true to boolean in existing Rails column
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answered Dec 24 '11 at 22:20
RobinRobin
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Getting the class name of an instance?
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Boris
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answered Feb 4 '09 at 12:02
sykorasykora
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