public
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gistfile1.rb
Ruby
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# app/controller/posts_controller.rb
class PostsController < ApplicationController
before_filter :find_post
protected
def find_post
if id = Slug[params[:id]]
@post = Post.find(id)
else
@post = Post.find(params[:id])
end
rescue ActiveRecord::RecordNotFound
redirect_to root_url
end
end

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