Kevin Li questions

• Filter in functional languages with original non-filtered elements?
• Public variables in Scala?
• Hard restart directive in Akka?
• Overriding subclass methods with subclassed arguments?
• Import subclass from a base class in Python
• Abstract static methods in Scala
• Parentheses after "new <function>" optional? [duplicate]
• Scala - infix vs dot notation

Kevin Li answers