Hassan Schroeder wrote in post #1034918:
> On Sat, Dec 3, 2011 at 8:22 AM, Dani Dani <[email protected]> wrote:
>
>> how can I make sure that 'customer_student' won't be pushed twice to the
>> hash in the following example ?
>
> What hash?
>
>>  @potential_course_students = []
>>  @selected_customers.each do |customer|
>>   customer.customer_student.each do |customer_student|
>>    if customer_student.display_name.include?(params[:term]) &&
>>      ! @potential_course_students.include?(customer_student)
>
> @potential_course_students is an empty array; how would it include
> anything at that point?
>
>>     @potential_course_attendees << customer_student
>
> @potential_course_attendees isn't defined in your snippet -- ??
>
>>    end
>>   end
>>  end unless params[:term].blank?
>
> --
> Hassan Schroeder ------------------------ [email protected]
> http://about.me/hassanschroeder
> twitter: @hassan

the variable: @selected_customers includes already the potential 
students. didn't show all code.
Thanks
Dani

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