Tutorial :How can I call an API (for example Flickr API) in Ruby on Rails? Newbie question

Question: Im building my first app in rails and I would like to call Flickr's API I know I can use flickr-fu, rflickr or other...

Tutorial :SQL: Is a query like this OK or is there a more efficient way of doing it, like using a join?

Question: I often find myself wanting to write an SQL query like the following: SELECT body FROM node_revisions where vid =...