Ключевые слова: detect [1] string swapcase [1] chapter 1 [1] to_f [1] update_attribute [1] has and belongs to many [2] flash [2] rails social network [1] netbeanse db query [1] db:migrate:redo [1] word wrap [1] developer [1] консультант [1] структура приложения [1] ruby script/generate [1] reverce_each [1] script/server [1] 1.month.from_now [1] join [2] dmoz каталог [1]