One of the solutions would be to use redirect_to and flash[:notice]
like:

@user = User.find(1)
unless @user
  flash[:notice] = "can't find user with given id"
  redirect_to users_path
end

I won't say it's the best but it's still a solution :)

On 5 sept., 13:55, Christian Fazzini <[email protected]>
wrote:
> When navigating to:http://localhost:3000/users/12
>
> Whats a good way of avoiding the error: "Couldn't find User with
> ID=12", which happens when i try to display a page of user_id 12 that
> doesnt exist in the database.
>
> Instead of showing the error. id like to show a page that says: "This
> user does not exist"
>
> Someone suggested using rescue_from. Is this the best solution for
> this? Or are there better alternative approaches?

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