Re: [Rails] why I have one more line?

On 15 February 2011 12:23, Colin Law <clanlaw@googlemail.com> wrote:
> On 15 February 2011 12:12, Mauro <mrsanna1@gmail.com> wrote:
>> On 15 February 2011 12:04, Lorenzo Brito Morales
>> <lorenzo.brito@gmail.com> wrote:
>>> the result of
>>> SELECT "deliveries".* FROM "deliveries" WHERE ("deliveries".customer_id = 65145
>>> and check out these
>>> <%= @customer.deliveries.count %>
>>>   <% @customer.deliveries.each do |delivery| %>
>>>     <tr valign="top" class="<%= cycle('odd', 'even') %>">
>>>         <td>
>>>   #just to compare what is in the database and what id is bringing to you
>>>           <%= delivery.id %>
>>>         </td>
>>>     </tr>
>>>   <% end %>
>>>  </tbody>
>>> </table>
>>
>> @customer.deliveries.count = 4
>>
>> <% @customer.deliveries.each do |delivery| %>
>>      <tr valign="top" class="<%= cycle('odd', 'even') %>">
>>        <td>
>> <%= a+=1 %>
>> <%= delivery.id %>
>>
>> 1 3
>> 2 4
>> 3 5
>> 4 6
>> 5
>>
>> there is always one more row :-(
>
> What does deliveries.size give?

mmmm delvieries.count gives 4 while deliveries.size gives 5.

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