Ruby on Rails

On 21 November 2015 at 21:24, fugee ohu <fugee279@gmail.com> wrote:
> <h2>Categories</h2>
> <%= @categories.group_by(&:parent_id).each do |category| %>
> <%= category.name %><br>
> <% end %>
>
> This code results in ActionController returning
>
> undefined method `name' for #<Array:0xb48bf628>

To see what is in category you can insert the line
<% logger.info category.inspect %>
before the category.name line. Then you can look in the log to see
what is there. That may make things more clear.

Colin

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