Leo C questions

Leo C answers

• Akka combining Sinks without access to Flows
• Trying to upsert a table with partial index
• Spark: Split is not a member of org.apache.spark.sql.Row
• Use Spark Scala to transform flat data into nested object
• Calculate average using Spark Scala
• Rename nested struct columns in a Spark DataFrame [duplicate]
• Update Spark Dataframe's window function row_number column for Delta Data
• Postgresql : can't connect with new created users
• Spark - How to calculate percentiles in Spark?
• How to compare a string with another where the one has space in between