John K questions

John K answers

• run a Ammonite scala script without typing amm
• Value of a scala variable do not change while executing play Future query. Why?
• Implicit numeric widening for LocalDate.now().plusMonths(m)
• Type mismatch on abstract type used in pattern matching
• Scalastyle Boolean expression can be simplified
• Json4s custom serializer with unordered fields
• If-Else condition in H2 database query