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	<title>Blog Patrick Espake &#187; to_a</title>
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		<title>Ruby gerar string randômica alfanumérica (generate random alphanumeric string)</title>
		<link>http://blog.patrickespake.com/2009/06/24/ruby-gerar-string-randomica-alfanumerica-generate-random-alphanumeric-string/</link>
		<comments>http://blog.patrickespake.com/2009/06/24/ruby-gerar-string-randomica-alfanumerica-generate-random-alphanumeric-string/#comments</comments>
		<pubDate>Wed, 24 Jun 2009 16:44:55 +0000</pubDate>
		<dc:creator>patrickespake</dc:creator>
				<category><![CDATA[Ruby]]></category>
		<category><![CDATA[$A]]></category>
		<category><![CDATA[0]]></category>
		<category><![CDATA[9]]></category>
		<category><![CDATA[alfanumérica]]></category>
		<category><![CDATA[alphanumeric]]></category>
		<category><![CDATA[chars]]></category>
		<category><![CDATA[código]]></category>
		<category><![CDATA[collect]]></category>
		<category><![CDATA[exemplo]]></category>
		<category><![CDATA[forma]]></category>
		<category><![CDATA[generate]]></category>
		<category><![CDATA[gerar]]></category>
		<category><![CDATA[join]]></category>
		<category><![CDATA[Kernel]]></category>
		<category><![CDATA[length]]></category>
		<category><![CDATA[rand]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[randômica]]></category>
		<category><![CDATA[random_alphanumeric]]></category>
		<category><![CDATA[simples]]></category>
		<category><![CDATA[size]]></category>
		<category><![CDATA[string]]></category>
		<category><![CDATA[to_a]]></category>
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		<guid isPermaLink="false">http://blog.patrickespake.com/?p=745</guid>
		<description><![CDATA[Uma forma simples de gerar strings randômicas alfanuméricas no Ruby é o código abaixo: def random_alphanumeric&#40;size=6&#41; chars = &#40;'a'..'z'&#41;.to_a + &#40;'A'..'Z'&#41;.to_a + &#40;0..9&#41;.to_a &#40;0...size&#41;.collect &#123; chars&#91;Kernel.rand&#40;chars.length&#41;&#93; &#125;.join end Se você gostou desse texto e acha que ajudou você, me recomende: .]]></description>
			<content:encoded><![CDATA[<p>Uma forma simples de gerar strings randômicas alfanuméricas no Ruby é o código abaixo:</p>

<div class="wp_syntax"><div class="code"><pre class="ruby" style="font-family:monospace;"><span style="color:#9966CC; font-weight:bold;">def</span> random_alphanumeric<span style="color:#006600; font-weight:bold;">&#40;</span>size=<span style="color:#006666;">6</span><span style="color:#006600; font-weight:bold;">&#41;</span>
  chars = <span style="color:#006600; font-weight:bold;">&#40;</span><span style="color:#996600;">'a'</span>..<span style="color:#996600;">'z'</span><span style="color:#006600; font-weight:bold;">&#41;</span>.<span style="color:#9900CC;">to_a</span> <span style="color:#006600; font-weight:bold;">+</span> <span style="color:#006600; font-weight:bold;">&#40;</span><span style="color:#996600;">'A'</span>..<span style="color:#996600;">'Z'</span><span style="color:#006600; font-weight:bold;">&#41;</span>.<span style="color:#9900CC;">to_a</span> <span style="color:#006600; font-weight:bold;">+</span> <span style="color:#006600; font-weight:bold;">&#40;</span>0..9<span style="color:#006600; font-weight:bold;">&#41;</span>.<span style="color:#9900CC;">to_a</span>
  <span style="color:#006600; font-weight:bold;">&#40;</span>0...<span style="color:#9900CC;">size</span><span style="color:#006600; font-weight:bold;">&#41;</span>.<span style="color:#9900CC;">collect</span> <span style="color:#006600; font-weight:bold;">&#123;</span> chars<span style="color:#006600; font-weight:bold;">&#91;</span><span style="color:#CC00FF; font-weight:bold;">Kernel</span>.<span style="color:#CC0066; font-weight:bold;">rand</span><span style="color:#006600; font-weight:bold;">&#40;</span>chars.<span style="color:#9900CC;">length</span><span style="color:#006600; font-weight:bold;">&#41;</span><span style="color:#006600; font-weight:bold;">&#93;</span> <span style="color:#006600; font-weight:bold;">&#125;</span>.<span style="color:#9900CC;">join</span>
<span style="color:#9966CC; font-weight:bold;">end</span></pre></div></div>

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