In case this peeked your interest, I welcome you to join us at
JRubyConf.EU on the 31st of July (http://2015.jrubyconf.eu/) - we still
have tickets: http://tickets.eurucamp.org/ ! Also, there still are combi
tickets available for you to visit JRubyConf.EU and eurucamp (they are
on following days at the same venue) http://2015.eurucamp.org/
greetings from Berlin,
Tobi (Ruby user Group Berlin/JRubyConf.EU orga)