Rails 3.2 validating string inclusion default value not detected

Rails 3.2 validating string inclusion default value not detected

References

Reference NO 1

http://stackoverflow.com/questions/15192687/rails-3-2-validating-string-inclusion-default-value-not-detected

Reference NO 2

http://stackoverflow.com/questions/7466130/about-validates-inclusion

Reference NO 3

http://apidock.com/rails/ActiveModel/Validations/ClassMethods/validates

Reference NO 4

http://edgeguides.rubyonrails.org/active_record_validations.html

Reference NO 5

http://guides.rubyonrails.org/3_0_release_notes.html

Reference NO 6

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Reference NO 7

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Reference NO 8

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