I'm running Rails 4 and whenever I try running anything in the rails console, I get the following error: 2.0.0 (main):0 > User.first CodeRay::Scanners::Scanner::ScanError: ***ERROR in scanner....

I'm using Redcarpet as markdown tool and coderay for syntax highlighting in my rails app. What I want is a preview of what is being written in markdown format before posting it in database. A far b...

I'm using CodeRay and Haml to do syntax highlighting on some pages, and I write a lot of Ruby code. The problem is when I have something like this: %pre %code.language-ruby :preserve def hello(...