Regarding Intellisense

how to create a intellisense in rails 2.3.8 with mysql as backend.

how to create a intellisense in rails 2.3.8 with mysql as backend.
Thanks in advance for your help and support.

How to upload image in rails 2.3.8 and also updating the existing image.
Thanks in advance for your help and support.

How to send emails from google smtp server in ruby on rails 2.3.8 can
anyone suggest the complete procedure because i am beginner for ruby.
Thanks in advance for your help and support

Have you tried gem paperclip?