ActiveMerchant: Recurring credit card payment by PalPay

Paypal Website Payments Pro (US) with Recurring Billing and ActiveMerchant

Trends in Agile Development

"Trends in Agile Development"

I thought that it was informative.

Ruby on Rails 2.2 and Spawn

Spawn was updated to work with Ruby on Rails 2.2 very recently.
(Spawn GITHUB commit history)

Ruby on Rails 2.2 and will_paginate

will_paginate 2.2.2 doesn't work with Ruby on Rails 2.2.

You have to have mislav-will_paginate 2.2.3. (will_paginate wiki)