xhudik

I can confirm, copy_to leads to error: Failed to execute Livy statement with error: java.lang.ClassFormatError: Unknown constant tag 78 in class file $iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$

hmm, yes if there is a good appendix - it would make sense to make a link from Hello world chapter. If not, I'd put it as soon as possible...

@alvinj what about a link within Hello world: https://github.com/scala/docs.scala-lang/pull/1964 I just dont know how to make a link between chapters (it is hardcoded for now)

@alvinj - cool - I tried it: https://github.com/xhudik/docs.scala-lang/blob/patch-18/_overviews/scala3-book/taste-hello-world.md (pull request: https://github.com/scala/docs.scala-lang/pull/1964 ) Is it OK? And yes, Scastie and these things can improve readability a lot. Thanks for the info!

@b-studios, yes - having a small guide on how to work within scala ecosystem: what IDE are available, what plugins are needed to create a scala project, how to test...

easy question - you are missing: org.apache.spark.repl.Main The better question would be - why the class is missing and how to fix it. But for such questions you are not...