Know what errors lurk in your code? Rollbar detects and alerts you when code breaks in production. Get the stack trace, code, and data to help you d̶e̶b̶u̶g̶ defeat Ruby errors. Learn more.

RubyFlow The Ruby and Rails community linklog


The Ruby and Rails community linklog

Made a library? Written a blog post? Found a useful tutorial? Share it with the Ruby community here or just enjoy what everyone else has found!

Game of Life Viewer

I just released a Game of Life Viewer (life_game_viewer on RubyGems) that you can use to view the behavior of your Game of Life implementations and experiment with different data sets. It comes with a sample implementation and data set that you can see by running the ‘life_view_sample’ executable installed with the gem. Github project page is at, blog article at The application must be run in JRuby, as it uses Java Swing for its GUI.

Post a comment

You can use basic HTML markup (e.g. <a>) or Markdown.

As you are not logged in, you will be
directed via GitHub to signup or sign in