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		<link>http://ruivaldo.wordpress.com/2009/06/03/60/</link>
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		<pubDate>Wed, 03 Jun 2009 13:50:06 +0000</pubDate>
		<dc:creator>ruivaldo</dc:creator>
				<category><![CDATA[Aleatórios]]></category>

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		<description><![CDATA[Para alterar as palavra Previous e Next no will_paginate (plugin excelente de paginação para Rails), faça na sua view:

&#60;%= will_paginate(@data, options = { :prev_label =&#62; "← Anterior", :next_label =&#62; "Próximo →"}) %&#62;
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=ruivaldo.wordpress.com&blog=95134&post=60&subd=ruivaldo&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>Para alterar as palavra Previous e Next no will_paginate (plugin excelente de paginação para Rails), faça na sua view:</p>
<pre>
&lt;%= will_paginate(@data, options = { :prev_label =&gt; "← Anterior", :next_label =&gt; "Próximo →"}) %&gt;</pre>
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			<media:title type="html">ruivaldo</media:title>
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		<title>Nota mental: Relações Many-To-Many no Rails</title>
		<link>http://ruivaldo.wordpress.com/2009/06/02/nota-mental-relacoes-many-to-many-no-rails/</link>
		<comments>http://ruivaldo.wordpress.com/2009/06/02/nota-mental-relacoes-many-to-many-no-rails/#comments</comments>
		<pubDate>Tue, 02 Jun 2009 18:18:15 +0000</pubDate>
		<dc:creator>ruivaldo</dc:creator>
				<category><![CDATA[Aleatórios]]></category>

		<guid isPermaLink="false">http://ruivaldo.wordpress.com/?p=58</guid>
		<description><![CDATA[1. Primeiro você cria os modelos básicos:
class Grupo &#60; ActiveRecord::Base
end


class Usuario&#60; ActiveRecord::Base
end

2. Depois cria o modelo de Join:
class GrupoUsuario &#60; ActiveRecord::Base
  belongs_to :usuario # foreign key - usuario_id
  belongs_to :grupo   # foreign key - grupo_id
end

3. Ajusta os modelos para referenciarem o model Join:
class Grupo &#60; ActiveRecord::Base

  has_many :grupo_usuarios
  has_many [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=ruivaldo.wordpress.com&blog=95134&post=58&subd=ruivaldo&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p>1. Primeiro você cria os modelos básicos:</p>
<pre><code>class Grupo &lt; ActiveRecord::Base
end

</code>
<pre><code>class Usuario&lt; ActiveRecord::Base
end
</code></pre>
<p>2. Depois cria o modelo de Join:</p>
<pre><code>class GrupoUsuario &lt; ActiveRecord::Base
  belongs_to :usuario # foreign key - usuario_id
  belongs_to :grupo   # foreign key - grupo_id
end
</code></pre>
<p>3. Ajusta os modelos para referenciarem o model Join:</p>
<pre><code>class Grupo &lt; ActiveRecord::Base
</code>
<pre><code>  has_many :grupo_usuarios
  has_many :usuarios, :through =&gt; :grupo_usuarios
</code></pre>
<p><code>end</p>
<p></code></p>
<pre><code>class Usuario&lt; ActiveRecord::Base
</code>
<pre>
<pre>
<pre><code>  has_many :grupo_usuarios
  has_many :grupos, :through =&gt; :grupo_usuarios</code></pre>
</pre>
</pre>
<p><code>end</code></pre>
</pre>
</pre>
<div id="_mcePaste" style="overflow:hidden;position:absolute;left:-10000px;top:341px;width:1px;height:1px;">
<pre>
<pre>
<pre><code>grupo_usuarios</code></pre>
</pre>
</pre>
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