Tzach Zohar questions

Tzach Zohar answers

• Spark Structtype for coalesce
• scala dataframe filter array of strings
• Scala Why does the List class define a toList Method?
• Spark-Scala Malformed Line Issue
• UDF to filter a map by key in Scala
• How to transpose dataframe in Spark 1.5 (no pivot operator available)?
• What concrete datatype is created when I use the Seq[T] constructor?
• Catch Exceptions that are thrown on map function in Spark
• Spark & Scala - Cannot Filter null Values from RDD
• In Scala, only add items to Map if Optional values are present