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[video] Cài đặt Ruby on Rails trên Windows với RailsInstaller

Dễ dàng cài đặt Ruby on Rails và Ruby trên Windows với RailsInstaller chỉ với một gói cài đặt.
Download: RailsInstaller

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Trong tutorial sẽ hướng dẫn các bạn biết cách cài đặt Ruby và Ruby on …

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  1. Thanks for your reply. I have tried with collection_select but no perrogss. So I have found another solution by using select. For examples:select( sales_agent , customer_id , @customers.collect{|customer| [customer.name(params), id]})With this, you can call any instance function with params.Hope this help for somebody.@Bryan: Have you tried to put , before {:selected => } in your code?Thanks and regards.

    • I has 2 table:
      channels { id, title }
      posts { id, title, content, channel_id }

      My example about ruby code in file _form.html.erb:

      1
      <%= collection_select(:post, :channel_id, @channels, :id, :title) %>
    • Sharp thinking! Thanks for the asnwer.

    • It’s confusing to mesh the vaiuors gems out there on Rails for Flickr. Here are some clarifications on solving the ROR Flickr challenges using the flickr’ gem.read more | digg story Share and Enjoy:These icons link to social bookmarking sites where readers can share and discover new web pages.

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