- Given a list of IDs, how do you find which ones are not in the database?
ids = [1,2,3,4,5,0]
missing_ids = ids - Model.find_all_by_id(ids).collect(&:id)
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- Sarah Mei is hosting a Ruby Hack Night at pivotal labs tomorrow at 7PM (Tues April 27th. 731 Market St Floor 3, San Francisco).
- There is an android users group tomorrow. We don’t know any more about it than that.