Index[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] has_and_belongs_to_many has_many metaprogramming has_one metaprogramming helper functions hierarchical categories HTML forms check boxes date and time end_form tag form tag options radio buttons text areas text fields fragments helper functions for mixed with Ruby multiple-selection list boxes page layouts 2nd 3rd stylesheets, advantages of templates and ERb |