I've installed RubyMine for the first time. I've created a new project of type "rails". When running I got a series of missing gems, which I installed. But now I have:
See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)
And I have no idea what to do next. Various online searches listed various gems that must be missing, but none of them had an effect. For example:
# sudo gem install "therubyracer"
Building native extensions. This could take a while...
Successfully installed therubyracer-0.9.10
1 gem installed
Installing ri documentation for therubyracer-0.9.10...
Installing RDoc documentation for therubyracer-0.9.10...