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In my last article, I showed you how to get started with your Rails application. The result of the simple commands, rails blogdemo; cd blogdemo; ruby script/generate scaffold article title:string author:string content:text; rake db:migrate; ruby script/server was that you had
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1 year ago
app/controllers/comments_controller.rb:89: formal argument cannot be an instance variable
def find_article
@article = Article.find(params[:article_id])
end
1 year ago
I don't get the same error, and I'm wondering if you might've made a mistake in copying the code. The error message is something you get if you say
def method(@param) ...
Or
do |@param| ...
or
{ |@param| ...
Is it possible that you have an extra "(" after "find_article"?