Oleg Pyzhcov questions

Oleg Pyzhcov answers

• How to use Circe to do a dynamic decoding?
• Get type of a "singleton type"
• Scala Cats or Scalaz typeclass scanLeft like
• Compose optional queries for for-comprehension in doobie?
• How to deprecate a parameter with default value in Scala?
• How do I "split" a stream in fs2?
• Combine collection of lenses
• Elegant grouping of implicit value classes
• Exception in thread "main" java.lang.NumberFormatException: For input string: "S" [closed]
• Doobie and DB access composition within 1 transaction