"Can't convert string to number" - error

rubyonrails-talk
1

Hi, I have a Model for my_table table which serialises a column named serialised_column serialised_column contains an array object, which contains hash objects something like serialised_column = [{‘name’ => ‘this’}, {‘name’ => ‘that’}]

the code for model is something like this

class MyTable < ActiveRecord::Base set_table_name ‘my_table’ serialize :serialised_column end

and a controller which access the data class ShowController < ApplicationController def show s = MyTable.find(:all, :conditions => [‘some conditions’]) if s.size != 0 @s = s.serialised_column.each { |s| @s << [‘name’ => s[‘name’]]

} end #if end #def end #class

in view the show.rhtml file is something like <%# considering size of s is not zero %> <%= @s[0][‘name’] %>

now when I run this file, I get an TypeError exception, which says ‘can’t convert String into Integer’

why is so? I’m not casting a string to intger, and neither want it to happen!

2

you're pushing arrays onto @s: @s << ['name' => s['name']]

with your current structure you'd have to access them like @s[0][0]['name]

maybe instead you can just push hashes: @s << {'name' => s['name']}

3

Thanks, I got it. Its working now. thanks again.