IRB is a great tool. What about testing parts of a Camping app in IRB (meaning App::Models module) ? Just require the app, but do not forget to establish the (in case of using it) ActiveRecord connection, that problably is specified in dispatch.rb
Try this, using _Why’s Blog webapp example:

$ cd /path/to/blog/app
$ irb
irb(main):001:0> require ‘rubygems’
irb(main):002:0> require […]

…because of Camping::Models I’m using ActiveRecord Ruby implementation gem. Because source code is pretty well documented I maintain an opened xterm to check how things are done. Since I’m not using SQLite but PostgreSQL, i had to dig for the other parameters for the connection and I noticed AR has now connectors for severall DMBS:
$ […]

Melo will be focusing on git
Once you get used to git, you won’t be needing “anything else” to maintain your code. Git is gaining more and more traction, now that bigger (distributed) projects (or parts of them) are running away from other scm’s into this one (Gnome ?, Kde, …). CVS, SVN user base is […]

… moving to Google Hosted (Google Apps), there was the need to upload some thousands of e-mail messages. Since they were (mt) MediaTemple Berkeley mbox stores, i scp’d them locally (backup) and them imported them into Evolution local folders.
The problem was the copy/move to the google hosted imap mail server. Evolution couldn’t finish the task […]