scala

Again not much time for a discussion today, but if you’re looking for an example of how to declare, set, and use Option fields in Scala, I hope this source code is helpful:

Whenever I used to get the Scala REPL warning message, "There were deprecation warnings, re-run with -deprecation", I used to have to restart the REPL with the -deprecation flag to see the warning message, like this:

$ scala -deprecation

That works, but sadly, you had to lose your entire REPL session to run it.

Use :warnings

Thanks to the Scala gods, this is no longer necessary in Scala 2.10 (and newer). Now, when you get the REPL deprecation warning message, like this:

Here's a short example of how to use the Scala XML NodeBuffer class:

Scala FAQ: Can you share some examples of using tuples in Scala?

A Scala tuple is a class that can contain a miscellaneous collection of elements. I like to think of them as a little bag or container you can use to hold things and pass them around.

You create a tuple with the following syntax, enclosing its elements in parentheses. Here's a tuple that contains an Int and a String:

Who's using Scala? With the recent blog post by LinkedIn (LinkedIn is using the Play Framework), showing that they're using the Play Framework, I thought I'd take a quick look at who we know is using Scala these days.

According to the Scala in the Enterprise page (and general knowledge), the following companies are using Scala: