Mass Assignment脆弱性(よくわかってないけれど大変そう)を突かれないようにするために、railsではattr_accessibleとかのメソッドが用意されています。 ```ruby:user.rb attr_ac...

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Mass Assignment脆弱性(よくわかってないけれど大変そう)を突かれないようにするために、railsではattr_accessibleとかのメソッドが用意されています。 ```ruby:user.rb attr_ac...