edi questions

edi answers

• elastic4s does not exit
• Json4s ignoring None fields during seriallization (instead of using 'null')
• List chapters of a book from a public books API? [closed]
• How setup spray-json to set null when json element is not present?
• Scala type inference working with Slick Table
• Cannot find JsonWriter or JsonFormat type class for a case class
• How to convert case class to JSON in Play framework 2.3.x (Scala)?
• Spray.io: Can't compile test spec
• Map[String,Any] to compact json string using json4s
• JSON Jackson - exception when serializing a polymorphic class with custom serializer