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<% if @purchase_order %>
  $("div.remote_<%= @counter %>").text("done");
<% else %>
  <% if @params['vendor_name'] == "Enter the vendor's name" || @params['purchase_order'].nil? %>
    $("#vendor_name").focus();
    $("#error_<%=@counter%>").after('<span class="error">Vendor is required.</span>');
  <% end %>

  <% @params['cb3_ids'].each do |cb3_id| %>
    <% %w{quantity unitsize price bt tcost}.each do |word| %>

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    def create_po
      provides :js
      po = params[:purchase_order]
      # do the creating job for the po
      render
    end

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<script type="text/javascript" >
jQuery.ajaxSetup({
  'beforeSend': function(xhr) {xhr.setRequestHeader("Accept", "text/javascript")}
});

jQuery.fn.submitWithAjax = function() {
  this.submit(function() {
    $.post(this.action + '.js', $(this).serialize(), null, "script");
    return false;
  })

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<% @pos.each |purchase_order| do %>  
  <%= form_for(purchase_order, :action => url(:create_po_purchasing_shopping_lists)) do %>
    <%= hidden_field :name => "counter", :value => count %>
      <%= partial 'purchasing/purchase_orders/basic_form', :po => po %>
      <button class="positive" type="submit">
         <img alt="create" src="/images/icons/tick.png"></img>
         Create
      </button>
  <% end =%>
<% end %>

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" all credits to antoine,
" more details see: http://blog.ant0ine.com/2007/03/ack_and_vim_integration.html
function! Ack(args)
    let grepprg_bak=&grepprg
    set grepprg=ack\ -H\ --nocolor\ --nogroup
    execute "silent! grep " . a:args
    botright copen
    let &grepprg=grepprg_bak
endfunction

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z1 = Zoo.all(:condition.....) 
z1.to_yaml # this OK
 
z2 = Zoo.all(:condition...) 
z2.to_yaml # this OK
 
z3 = z1 + z2 
z3.to_yaml # bam!. ERROR

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zooo = Zoo.all
File.open('zoo.yaml', 'w'){|f| f.puts zooo.to_yaml}

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# dm 0.9.8 breaks YAML.dump
zooo = Zoo.all
File.open('zoo.yaml', 'w'){|f| YAML.dump(zooo, f)}

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# setting the env to development
RackEnv development
<VirtualHost *:80>
    ServerName app.myapp.com
    DocumentRoot /Users/zhonghai/apps/ruby/current/public
</VirtualHost>

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<VirtualHost *:80>
    ServerName app.myapp.com
    DocumentRoot /Users/zhonghai/apps/ruby/current/public
    # setting the env to development
    RackEnv development
</VirtualHost>