Remember to include the host declaration in the database.yml file when you deploy to Dreamhost. Dreamhost does not use "localhost" which is typically the default setting when using the mysql adapter and developing locally or even on a small site. At lea...

Regular Expression that Matches Email Addresses: /\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}\b/

Output .sql file for MySQL but without the drop table syntax before table name use the --skip-add-drop-table flag mysqldump -u root -p database_name --skip-add-drop-table --skip-lock-tables > database_name.sql

This may not be the ideal solution. This just manages request.referers in a session variable, then looping over each unique path prints a link to the screen. It's more of a "history" than a hierarchy for resources in an application. It is however, pretty ...

Short and sweet. Here all the commands I run in this order to set up a brand new box. It usually takes about 10 - 15 minutes on a 256 MB RAM instance. Compiling Ruby Enterprise Edition, which is super easy, will take the most amount of time. It will seem ...