Lomig Mégard questions

Lomig Mégard answers

• How to suppress "match is not exhaustive!" warning in Scala
• Access key from mapValues or flatMapValues?
• Why does sbt give "object scalacheck is not a member of package org" after successful scalacheck resolve?
• Access public available Amazon S3 file from Apache Spark
• Overloaded method value with alternatives
• How to sum a list of tuples
• How to read a nested collection in Spark