I found from the development log that I'm passing question_single_id as
nil.
Seems to be my code of this part is not working
<%= f.fields_for :answer_singles, {:question_single_id => index} do
|answer| %>
<%= answer.text_area :content, {:question_single_id => index} %>
What I meat to do was to assign question_single_id when I fill the
answer :content.
And look up a text_area per each question.
Is there any good solution for text_area and fields_for usage?
I know I'm way far from CRUD development but what to do. (codes are
getting uglier)
What i should implement is like a quiz system with given questions.
User login -> answer the given questions -> end
Admin -> edit questions or review user answers -> end
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