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Put everything together in a complete Task Manager app with authentication, associations, and validations.
Add sign up, sign in, and sign out to your blog with the Devise gem, and protect actions…
Add comments to the blog with has_many and belongs_to associations, a Comment model, and a comment form.
Run the Rails test suite, debug with the console, and discover what to learn next.
Build a full blog application with the scaffold command, resources, and validations.