accept_nested_attributes is not destroying the record

accept_nested_attributes is not destroying the record

References

Reference NO 1

http://stackoverflow.com/questions/15198950/accept-nested-attributes-is-not-destroying-the-record

Reference NO 2

http://api.rubyonrails.org/classes/ActiveRecord/NestedAttributes/ClassMethods.html

Reference NO 3

https://makandracards.com/makandra/10979-accept-nested-attributes-for-a-record-that-is-not-an-association

Reference NO 4

http://apidock.com/rails/ActiveRecord/NestedAttributes/ClassMethods/accepts_nested_attributes_for

Reference NO 5

http://ryandaigle.com/articles/2009/2/1/what-s-new-in-edge-rails-nested-attributes

Reference NO 6

http://railscasts.com/episodes/196-nested-model-form-part-1

Reference NO 7

https://github.com/stefankroes/ancestry

Reference NO 8

http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveRecord