This card explains how to install RubyMine for the first time. If you want to upgrade an existing RubyMine installation...

If you did file operations inside a shell or for example using Nautilus, it can take quite a while until...

Note that you should disable the Java plug-in in your browsers after installation. Ubuntu >= 12.04 Java 11

Since RubyMine 3.1 you can drag tabs across panes/windows and out of the main window to create new windows.

This is an awesome gadget in your toolbox, even if your test coverage is great. gem install ruby-debug (Ruby...