Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses o开发者_开发技巧n one problem only b
I am working with some code that uses Traits UI to show a dialog from which the user is able to select two files:
Why do I get the error below? How to workaround it? I assumed that since A and B compile to (interface,class) pairs, it\'s a matter of choosing the right static method call to implement when compilin
In Scala, calling groupBy() on a collection returns a Map where the values are collections, but I want a MultiMa开发者_开发百科p.What\'s the easiest way to do the conversion?Can I avoid creating a new
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