http://stackoverflow.com/questions/6765325/error-with-kaminari-pagination find_all 쓰지 말고 where 로 써라.
http://stackoverflow.com/questions/6438449/rails-3-uninitialized-constant-formtasticformbuilder-error-after-deploying 다른젬이 for..
http://www.kavoir.com/2009/04/jquery-how-to-check-if-an-element-has-a-particular-class.html .id( '.클래스명' )
@a = A.find_all( %@#$%@$%) 하면 @a.nil? 은 무조건 false 이다 레코드가 없어도.
http://stackoverflow.com/questions/3335950/rails-select-tag-default-to-blank-when-using-map { :include_blank => "선택" }, 맵쓰는거에서..
ApplicationController 클래스안의 protect_from_forgery 를 보아라... http://guides.rubyonrails.org/security.html#cross-site-request-forge..
http://stackoverflow.com/questions/4081907/ruby-on-rails-select-with-class <%= f.select(:object_field, ['Item 1', 'Item 2', 'I..
http://mystria.egloos.com/3998558 onkeypress 함수에 엔터이벤트일때는 return false 하면 web submit을 막을 수 있다.
http://paulsturgess.co.uk/articles/70-using-or-equals-to-set-variables-in-ruby-on-rails 변수에 값이 없으면 ||= 우측값이 반영되고 값이 이미 있으면 기존..


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