Leo C

Leo C has asked 0 questions and find answers to 64 problems.

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A hands-on entrepreneurial technologist specialized in building scalable backend applications, with recent R&D work in Blockchain, IoT systems (Tech stack: Scala, Akka, Spark, PostgreSQL, AWS)

Leo C questions

Leo C answers

Transforming the inner elements of a stream of collections
Unable to perform aggregation on 2 values using groupByKey in spark using scala
Comparing Lists of Strings in Scala
Does List in Scala is not homogeneous collection?
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]