If you are testing using Test:Unit (rather than RSpec) and you're using Ruby 1.9.* colorized output of your tests using Autotest will not be immediately available. Since, 1.9 comes with mini test the test/unit/ui/console/testrunner.rb script is not loaded...

mysql driver is no longer bundled w/ rails. you'll need to install it yourself w/ sudo gem install mysql however, on ubuntu (heron) this won't work. issue these commands first sudo apt-get install libmysql-ruby libmysqlclient-dev if libmysqlclient-dev...

If you want to insert a datetime that matches the default mysql datetime type format use this date('Y-m-d H:i:s');

Here is how to install a Rails application out of a subdirectory (rather than as a subdomain) with the Apache web server(Apache2). In this example I'm going to use my own blog which is a Wordpress installation and serve a Rails application from the subdir...