Last thinks that I have read

http://railsguts.com/
http://www.espace.com.eg/neverblock
http://m.onkey.org/2008/11/17/ruby-on-rack-1
http://m.onkey.org/
http://www.gnome-db.org/Download
http://loriholden.com/

http://www.bestechvideos.com/

Flex

http://conference.startup-bg.org/2008/?page_id=696