You cannot open a book without learning something. - Confucius
My expertise is in Ruby, Ruby on Rails, jQuery and GIT.
From Addy Osmani's blog:
First do it, then do it right, then do it better. This is one fundamental I always keep in mind when developing anything.
If you're a developer wishing to learn something new, regardless of skill-level, remember that as important as it is to read, it's equally as important to get out there and do.
On StackOverflow I follow:
Read this if you have time: Don't be Evil!
You think you can hire me? Drop me an E-Mail