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Expanding tuples into arguments
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edited May 27 at 13:31
Nicolas Gervais
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Does the ternary operator exist in R?
... if-else is equivalent to ?:.
> a <- 1
> x <- if(a==1) 1 else 2
> x
[1] 1
> x <- if(a==2) 1 else 2
> x
[1] 2
The power of R is vectorization. The vectorization of the ternary operator is ifelse:
> a <- c(1, 2, 1)
> x <- ifelse(a==1, 1, 2)
> x
[1] 1 2 1
>...
ab load testing
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327
The apache benchmark tool is very basic, and while it will give you a solid idea of some perfor...
Convert a char to upper case using regular expressions (EditPad Pro)
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280
TextPad will allow you to perform this operation.
example:
test this sentence
Find what: \...
Python: fastest way to create a list of n lists
...Python loop using
d = numpy.empty((n, 0)).tolist()
but this is actually 2.5 times slower than the list comprehension.
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Git flow release branches and tags - with or without “v” prefix
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edited May 23 '17 at 10:31
Community♦
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answered Feb 7 '14 at 23:52
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Why use try {} finally {} with an empty try block?
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HTML img scaling
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edited Oct 1 '15 at 22:22
Volker E.
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Can I stretch text using CSS?
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249
Yes, you can actually with CSS 2D Transforms. This is supported in almost all modern browsers,...
Get JavaScript object from array of objects by value of property [duplicate]
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1243
Filter array of objects, which property matches value, returns array:
var result = jsObjects....