Learner questions

• Global Variables in Scala
• How to find the mode value of a list?
• Resolving Dependencies in creating JAR through SBT assembly
• Hadoop on Local FileSystem
• Cassandra Exception Cache schema version X does not match current schema version Y
• Hashing and encryption technique for a huge data set containing phone numbers
• Scala Convert a string into a map
• Scala Garbage Collection ?
• Execute/Run a single line in IPython rather entire Cell
• Python readlines() usage and efficient practice for reading

Learner answers