Nick Vanderbilt questions

• group_by not working with rails3
• nested has_many
• git ls-tree db/*.rb not working
• habtm relationship does not support :dependent option
• Lambda in Ruby 1.9
• should I send status as 404 or 200?
• Not able to think of a case where git diff master..lab and git diff master...lab would be different
• git rebase conflict was caused by which commit
• Rails encoding of cookie not compatible with JavaScript decodeURIComponent
• Ajax unit testing mocking using Jack

Nick Vanderbilt answers