MTT questions

• Presto equivalent of CONCAT_WS
• Access to WrappedArray elements
• Change path in linux
• Write a list, as seen in R console output, into a text file
• Moving Spark DataFrame from Python to Scala whithn Zeppelin
• How can I see the output console after running a nohup command?
• How to create DataFrame from Scala's List of Iterables?

MTT answers