Merb with Postgres on the backend, jQuery + jQuery UI on the front, served by Nginx reverse-proxied to Thin. The website is statically generated using Jekyll.
If you are interested in learning to program, then by all means, find a language that suits you and begin working on problems you want to solve. If you are interested in programming only insofar as it facilitates building your company, attempting to learn to program will be an exercise in frustration. Working out the details of a great idea is difficult enough in and of itself, let alone trying to do so using languages or technologies that you aren't comfortable with.
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