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What does “abstract over” mean?
...> B) = as.foldLeft(z)(f)
}
val sumOfOneTwoThree = sumOf(List(1,2,3))
What's more, we can abstract over both the operation and the type of the operands:
trait Monoid[M] {
def zero: M
def add(m1: M, m2: M): M
}
trait Foldable[F[_]] {
def foldl[A, B](as: F[A], z: B, f: (B, A) => B): B
...
What is the fastest integer division supporting division by zero no matter what the result is?
...e benefits as zeroes become more common.
You should really measure to see what happens with your compiler and your representative sample data, though.
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In PHP what does it mean by a function being binary-safe?
In PHP what does it mean by a function being binary-safe ?
3 Answers
3
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What is meant by Scala's path-dependent types?
...cala has path-dependent types. It's something to do with inner-classes but what does this actually mean and why do I care?
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What is the Python 3 equivalent of “python -m SimpleHTTPServer”
What is the Python 3 equivalent of python -m SimpleHTTPServer ?
5 Answers
5
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jQuery deferreds and promises - .then() vs .done()
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It's probably worth mentioning what version of jQuery this applies to, since the behaviour of then changed in 1.8
– bradley.ayers
May 30 '13 at 0:15
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What does “fragment” mean in ANTLR?
What does fragment mean in ANTLR?
4 Answers
4
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What is the purpose of “android.intent.category.DEFAULT”?
What is the purpose of using android.intent.category.DEFAULT in the Category field of Intent Filters?
7 Answers
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What is the max size of localStorage values?
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Cool solution. I found this one liner, what do you think?
– brasofilo
Oct 16 '14 at 2:41
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Should I use Vagrant or Docker for creating an isolated environment? [closed]
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If your purpose is the isolation, I think Docker is what you want.
Vagrant is a virtual machine manager. It allows you to script the virtual machine configuration as well as the provisioning. However, it is still a virtual machine depending on VirtualBox (or others) with a hu...