Link: Eli Miller: Proper cache expiry with after_commit
Can use this for any actions after transactions are committed - ie: Thinking Sphinx's delta indexing
Link: ar-backup - Google Code
"Active Record backup is a Rails plugin which lets you backup your database schema and content in a schema.rb file and fixtures."
Link: AS Workshop ยป How to sort MySQL results ignoring definite and indefinite articles (the, a, an)
A not-too-ugly method of sorting while ignoring 'The', 'A', etc
Link: ActiveWarehouse: Let's Get Analytical
A library that looks really useful for when you're dealing with data to report on, as opposed to ActiveRecord models.
Link: PJ Hyett : Composite Primary Keys are Good
Handy bit of example code for keeping track of read/unread posts on forums

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