What is the best way to create a Map[K,V] from a Set[K]开发者_JAVA技巧 and function from K to V?
I have this segment of Scala code which defines an orderi开发者_JS百科ng and applies it to a TreeSet.This part compiles fine.
Is there any equivalent in scala parallel collections to LINQ\'s withDegreeOfParallelism which sets the number of threads which will run a query? I want to run an operation in parallel which needs to
What is the diffe开发者_运维百科rence between Scala\'s MutableList and ListBuffer classes in scala.collection.mutable? When would you use one vs the other?
What are the differences among Streams, View开发者_StackOverflows (SeqView), and Iterators in scala? This is my understanding:
Although I know that there are more idomatic ways of doing this, why doesn\'t this code work? (Mostly, why doesn\'t the first attempt at just x += 2 work.) Are these quite peculiar looking (for a newc
Let\'s assume I want to create a trait that I can mix in into any Traversable[T]. In the end, I want to be able to say things like:
Say I have a set of Strings that I want to开发者_Go百科 be ordered by length but unique by the normal String uniqueness. What I mean is that I that I could have more than one String of same length in
I need to use java-legacy code with the following method: public void doit(Map <String, Object> vals) {...}
How do I convert a Set(\"a\",\"b\",\"c\") to a Map(\"a\"-开发者_如何学Python>1,\"b\"->2,\"c\"->3)?