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Calling a Method From a String With the Method's Name in Ruby
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edited Nov 21 '18 at 21:35
mu is too short
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Using comparison operators in Scala's pattern matching system
...i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially different to putting an if after the =>, becau...
How to center align the cells of a UICollectionView?
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How do I count the number of occurrences of a char in a String?
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What's the algorithm to calculate aspect ratio?
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Array include any value from another array?
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edited Jan 18 at 6:58
answered Oct 15 '10 at 11:55
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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The order of evaluation of subexpressions, including
the arguments of a function call and
oper...
SSH library for Java [closed]
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The Java Secure Channel (JSCH) is a very popular library, used by maven, ant and eclipse. It i...
Does the ternary operator exist in R?
... returns the latest evaluation, 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=...