Ruby on Rails

Arvind Vyas <arvindvyas07@gmail.com> writes:

> category object is coming as an array so first check that

With `group_by`, it's actually a hash of the counts for each grouping
and the group collection. Thus each category is `{ 10 => [.. array of
category objects ..]}`

http://ruby-doc.org/core-2.2.3/Enumerable.html#method-i-group_by

>
> Thanks and Regards,
>
> Arvind Vyas
> Ruby On Rails Developer
> Mob ; 8511289155
>
> On Sun, Nov 22, 2015 at 2:54 AM, 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>
>>
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--
Tamara Temple
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