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	<title>irrestritum</title>
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	<description>armazenando alguns conceitos...</description>
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		<title>Comunidade&#8230;</title>
		<link>http://lu4nation.wordpress.com/2010/02/11/comunidade/</link>
		<comments>http://lu4nation.wordpress.com/2010/02/11/comunidade/#comments</comments>
		<pubDate>Thu, 11 Feb 2010 13:13:37 +0000</pubDate>
		<dc:creator>lu4nation</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[BoasPraticas]]></category>
		<category><![CDATA[CodingDojo]]></category>
		<category><![CDATA[Comunidades]]></category>
		<category><![CDATA[dojorio]]></category>
		<category><![CDATA[TDD]]></category>

		<guid isPermaLink="false">http://lu4nation.wordpress.com/?p=32</guid>
		<description><![CDATA[Falando um pouco sobre o que se pode ganhar participando de comunidades e grupos técnicos. Muito interessante.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=32&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Como alguns sabem eu participo menos do que gostaria de algumas comunidades por aí. Ontem tivemos uma reunião no <a title="DojoRio" href="http://dojorio.org">dojoRio</a> na qual  praticamos TDD e conseguimos aprender bastante. Digamos que com os erros cometidos pudemos observar uma melhor forma de resolução e conseguimos analisar melhor os problemas que tivemos ( e foram muitos). Discutimos bastante sobre como fazer, cada um com uma opinião distinta, baseada em suas experiências, erramos muito e como de costume nos sentamos para entender o que fizemos. Foi impressionante a quantidade de informações tiradas de poucas horas de Dojo. E o mais interessante é que desta forma não é tão fácil de esquecermos as melhores práticas.</p>
<p>É muito interessante o aprendizado tirado de atividades em grupo. Na área tecnológica o fator &#8220;fazer parte da comunidade/grupo&#8221; é essencial atualmente, e quando bem aproveitado pode render ótimos frutos. Sugestão para quem está começando: entrem em grupos de discussão, falem, ouçam&#8230;  enfim, participem. Vão a reuniões, seminários, palestras. Saiam do seu &#8220;mundinho&#8221;. Conheçam gente nova. Isso ajuda a deixar a mente aberta.</p>
<p>Todo o aprendizado tirado destas experiências vale mais do que o conteúdo de livros, já que nem todas as informações está descrita no papel. O conhecimento tácito, aquele que é de domínio de quem tem a prática, não é expressado com tanta facilidade com palavras.  É preciso interação.</p>
<p>Fica o convite&#8230;</p>
<p>até a próxima!</p>
<br /> Tagged: <a href='http://lu4nation.wordpress.com/tag/boaspraticas/'>BoasPraticas</a>, <a href='http://lu4nation.wordpress.com/tag/codingdojo/'>CodingDojo</a>, <a href='http://lu4nation.wordpress.com/tag/comunidades/'>Comunidades</a>, <a href='http://lu4nation.wordpress.com/tag/dojorio/'>dojorio</a>, <a href='http://lu4nation.wordpress.com/tag/tdd/'>TDD</a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/lu4nation.wordpress.com/32/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/lu4nation.wordpress.com/32/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/lu4nation.wordpress.com/32/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/lu4nation.wordpress.com/32/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gofacebook/lu4nation.wordpress.com/32/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/facebook/lu4nation.wordpress.com/32/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gotwitter/lu4nation.wordpress.com/32/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/twitter/lu4nation.wordpress.com/32/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/lu4nation.wordpress.com/32/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/lu4nation.wordpress.com/32/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/lu4nation.wordpress.com/32/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/lu4nation.wordpress.com/32/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/lu4nation.wordpress.com/32/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/lu4nation.wordpress.com/32/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=32&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></content:encoded>
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		<item>
		<title>Interfaces</title>
		<link>http://lu4nation.wordpress.com/2009/12/02/interfaces/</link>
		<comments>http://lu4nation.wordpress.com/2009/12/02/interfaces/#comments</comments>
		<pubDate>Wed, 02 Dec 2009 13:40:53 +0000</pubDate>
		<dc:creator>lu4nation</dc:creator>
				<category><![CDATA[.netStuff]]></category>
		<category><![CDATA[c#.net]]></category>
		<category><![CDATA[OO/ Orientação à Objeto]]></category>
		<category><![CDATA[Interface]]></category>
		<category><![CDATA[oo]]></category>

		<guid isPermaLink="false">http://lu4nation.wordpress.com/?p=26</guid>
		<description><![CDATA[Definição e pequeno exemplo de Interface no contexto de orientação à objetos.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=26&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p style="text-align:left;">Interfaces são estruturas que disponibilizam membros que uma classe <span style="text-decoration:underline;">deve</span> implementar, como um contrato. As classes que implementarem uma certa interface precisam implementar os métodos e atributos definidos pela mesma.</p>
<div class="mceTemp mceIEcenter" style="text-align:left;">
<dl class="wp-caption aligncenter">
<dt class="wp-caption-dt"><a href="http://lu4nation.files.wordpress.com/2009/12/interface.jpg"><img class="size-medium wp-image-27 " title="interface" src="http://lu4nation.files.wordpress.com/2009/12/interface.jpg?w=300&#038;h=234" alt="Diagrama com interfaces" width="300" height="234" /></a></dt>
<dd class="wp-caption-dd">Interface IMessage</dd>
</dl>
</div>
<p>Lembrando um pouco a herança (bem pouco&#8230;), <strong>na </strong><strong>interface definimos características e funcionalidades para um conjunto de classes de objetos</strong>, sendo que no conceito de interface podemos implementar quantas interfaces quisermos a partir  de uma classe contanto que esta classe implemente todos os membros da interface.</p>
<p>Numa interface os métodos não possuem implementação, por isso é feita a implementação nas classes que a implementam. Veja:</p>
<div class="mceTemp mceIEcenter" style="text-align:left;">
<dl class="wp-caption aligncenter">
<dt class="wp-caption-dt"><a href="http://lu4nation.files.wordpress.com/2009/12/interface2.jpg"><img class="size-full wp-image-28 " title="interface2" src="http://lu4nation.files.wordpress.com/2009/12/interface2.jpg?w=383&#038;h=513" alt="Codigo de Interface" width="383" height="513" /></a></dt>
<dd class="wp-caption-dd">Implementando a interface</dd>
</dl>
</div>
<p>Em resumo é isso.</p>
<p>Até &#8230;</p>
<br /> Tagged: Interface, oo <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/lu4nation.wordpress.com/26/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/lu4nation.wordpress.com/26/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/lu4nation.wordpress.com/26/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/lu4nation.wordpress.com/26/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gofacebook/lu4nation.wordpress.com/26/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/facebook/lu4nation.wordpress.com/26/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gotwitter/lu4nation.wordpress.com/26/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/twitter/lu4nation.wordpress.com/26/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/lu4nation.wordpress.com/26/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/lu4nation.wordpress.com/26/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/lu4nation.wordpress.com/26/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/lu4nation.wordpress.com/26/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/lu4nation.wordpress.com/26/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/lu4nation.wordpress.com/26/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=26&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></content:encoded>
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			<media:title type="html">interface</media:title>
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	</item>
		<item>
		<title>Inheritance /Herança</title>
		<link>http://lu4nation.wordpress.com/2009/12/02/inheritance-heranca/</link>
		<comments>http://lu4nation.wordpress.com/2009/12/02/inheritance-heranca/#comments</comments>
		<pubDate>Wed, 02 Dec 2009 00:03:20 +0000</pubDate>
		<dc:creator>lu4nation</dc:creator>
				<category><![CDATA[OO/ Orientação à Objeto]]></category>
		<category><![CDATA[herança]]></category>
		<category><![CDATA[inheritance]]></category>
		<category><![CDATA[oo]]></category>
		<category><![CDATA[orientação a objetos]]></category>

		<guid isPermaLink="false">http://lu4nation.wordpress.com/?p=19</guid>
		<description><![CDATA[Falando um pouco sobre Herança, apenas uma definição básica e simples.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=19&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Conceito básico mas importantíssimo na orientação à objetos.</p>
<p>A idéia de herança está relacionada com criar novas classes baseadas numa classe já criada.Por que motivo ? Ah, nada d+, reutilizar código, por exemplo.</p>
<p>Quando pensavamos em realizar alguma programação era necessário visualizar apenas o problema sendo resolvido, e bem rápido. Ainda é assim, só que se é pra usar orientação à objetos, vamos pelo menos tentar fazer algo organizado. Como?</p>
<p>Imagine que você tem várias classes com métodos e propriedades que se repetem. Exemplos?</p>
<div id="attachment_20" class="wp-caption aligncenter" style="width: 508px"><a href="http://lu4nation.files.wordpress.com/2009/12/imageinherits1.jpg"><img class="size-full wp-image-20" title="imageINherits1" src="http://lu4nation.files.wordpress.com/2009/12/imageinherits1.jpg?w=498&#038;h=245" alt="Herança" width="498" height="245" /></a><p class="wp-caption-text">Classes antes da herança</p></div>
<p>Podemos ver que alguns métodos e Propriedades estão se replicando nas classes. Com a herança é possível melhorar isto se criarmos uma classe veículo que suporta as características comuns entre as classes. Vejamos.</p>
<div id="attachment_21" class="wp-caption aligncenter" style="width: 506px"><a href="http://lu4nation.files.wordpress.com/2009/12/imageinherits2.jpg"><img class="size-full wp-image-21" title="imageINherits2" src="http://lu4nation.files.wordpress.com/2009/12/imageinherits2.jpg?w=496&#038;h=415" alt="Herança" width="496" height="415" /></a><p class="wp-caption-text">Agora com a herança</p></div>
<p>Perceba que se ocorrer algum erro num dos métodos da classe veículo todos as classes serão afetadas, porém a grande vantagem é que a manutenção será feita apenas em um local.</p>
<p>Este exemplo foi o mais simples possível apenas como introdução ao conceito de herança. Em posts que estão por vir Herança será visto juntamente com outros conceitos e práticas.</p>
<p>&#8230; Abraços e até a próxima.</p>
<br /> Tagged: herança, inheritance, oo, orientação a objetos <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/lu4nation.wordpress.com/19/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/lu4nation.wordpress.com/19/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/lu4nation.wordpress.com/19/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/lu4nation.wordpress.com/19/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gofacebook/lu4nation.wordpress.com/19/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/facebook/lu4nation.wordpress.com/19/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gotwitter/lu4nation.wordpress.com/19/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/twitter/lu4nation.wordpress.com/19/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/lu4nation.wordpress.com/19/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/lu4nation.wordpress.com/19/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/lu4nation.wordpress.com/19/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/lu4nation.wordpress.com/19/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/lu4nation.wordpress.com/19/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/lu4nation.wordpress.com/19/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=19&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></content:encoded>
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		<title>Tipos implícitos&#8230;</title>
		<link>http://lu4nation.wordpress.com/2009/11/22/tipos-implicitos/</link>
		<comments>http://lu4nation.wordpress.com/2009/11/22/tipos-implicitos/#comments</comments>
		<pubDate>Sun, 22 Nov 2009 19:19:33 +0000</pubDate>
		<dc:creator>lu4nation</dc:creator>
				<category><![CDATA[.netStuff]]></category>
		<category><![CDATA[c#.net]]></category>
		<category><![CDATA[C#]]></category>
		<category><![CDATA[C#3.0]]></category>
		<category><![CDATA[Implícitos]]></category>
		<category><![CDATA[Implicitly Typed]]></category>
		<category><![CDATA[var]]></category>

		<guid isPermaLink="false">http://lu4nation.wordpress.com/?p=13</guid>
		<description><![CDATA[Demostração de tipo implícitos de dados no C# 3.0.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=13&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Apesar de ser algo não muito utilizado, não pode ser considerado algo novo, já que o framework 3.0 foi lançado no fim de 2007.</p>
<p>Esta nova opção de declarar a variável no C# é uma verdadeira mão na roda (e já estou viciado).  Funciona da seguinte forma:</p>
<p style="padding-left:30px;">var data <strong><span style="color:#000080;">=</span></strong> <span style="color:#0000ff;"><span style="color:#0000ff;"><strong>new</strong></span> </span>DateTime<span style="color:#000080;"><strong>();</strong></span></p>
<p>O var substitui a declaração explícita do tipo fazendo com que o compilador entenda que o que está a  direita do sinal de  igual (=) será a definição do tipo da variável.</p>
<p>Outro exemplo é criar um array com tipo implícito</p>
<p style="padding-left:30px;">var arrayFoo <strong><span style="color:#000080;">=</span></strong> <strong><span style="color:#0000ff;"><span style="color:#0000ff;">new</span></span><span style="color:#000080;">[] {</span></strong>2,3,4,5,6<span style="color:#000080;"><strong>}</strong></span> <span style="color:#008000;">// inteiros</span><br />
var arrayBar <strong><span style="color:#000080;">=</span></strong> <strong><span style="color:#0000ff;"><span style="color:#0000ff;">new</span></span><span style="color:#000080;">[] {</span></strong>&#8216;lorem&#8217;, &#8216;Ipsum&#8217;,'bla&#8217;, &#8216;bla&#8217;,'bla&#8217;<span style="color:#000080;"><strong>}</strong></span> <span style="color:#339966;"><span style="color:#008000;">// strings</span></span></p>
<p>O mais importante é que não precisamos declarar o tipo da variável, pois usando o var o compilador identifica qual o tipo.</p>
<p>Lembrando: sempre que utilizarmos o tipo implícito de dados a variável requer uma inicialização. Por exemplo:</p>
<p style="padding-left:30px;">var num<span style="color:#000080;"><strong>;</strong></span></p>
<p>Este código não funcionará pois não inicializei a variável. Desta forma o compilador não consegue definir o tipo.</p>
<p>Para saber mais:</p>
<ul>
<li><a href="http://msdn.microsoft.com/en-us/library/bb384061.aspx">http://msdn.microsoft.com/en-us/library/bb384061.aspx</a></li>
<li><a href="http://michaelsync.net/2008/03/01/c-30-tutorials-implicitly-typed-local-variables">http://michaelsync.net/2008/03/01/c-30-tutorials-implicitly-typed-local-variables</a></li>
</ul>
<p>Até a próxima&#8230;</p>
<br /> Tagged: C#, C#3.0, Implícitos, Implicitly Typed, var <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/lu4nation.wordpress.com/13/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/lu4nation.wordpress.com/13/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/lu4nation.wordpress.com/13/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/lu4nation.wordpress.com/13/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gofacebook/lu4nation.wordpress.com/13/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/facebook/lu4nation.wordpress.com/13/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gotwitter/lu4nation.wordpress.com/13/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/twitter/lu4nation.wordpress.com/13/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/lu4nation.wordpress.com/13/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/lu4nation.wordpress.com/13/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/lu4nation.wordpress.com/13/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/lu4nation.wordpress.com/13/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/lu4nation.wordpress.com/13/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/lu4nation.wordpress.com/13/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=13&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></content:encoded>
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		<title>Hello world! /Olá Mundo!</title>
		<link>http://lu4nation.wordpress.com/2008/12/21/hello-world/</link>
		<comments>http://lu4nation.wordpress.com/2008/12/21/hello-world/#comments</comments>
		<pubDate>Sun, 21 Dec 2008 16:58:24 +0000</pubDate>
		<dc:creator>lu4nation</dc:creator>
				<category><![CDATA[Description /Descrição]]></category>
		<category><![CDATA[lu4nation]]></category>
		<category><![CDATA[who?]]></category>

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		<description><![CDATA[Definition of me and some more...
Definição e algo mais...<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=lu4nation.wordpress.com&amp;blog=5921746&amp;post=1&amp;subd=lu4nation&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Hey Everyone.. this post is  <span style="text-decoration:line-through;">not</span> my first and i&#8217;d like to introduce myself. I&#8217;m a software  student and i really enjoy technology. The main goal is to learn a lot and to  develop solutions to help people with there jobs&#8230; and other stuff. I <span style="text-decoration:line-through;">try to</span> write in english too but it&#8217;s just for practice.. Someday i&#8217;m learning it for real.</p>
<p>Ei todo mundo,  este <em>post</em> <span style="text-decoration:line-through;">não</span> é meu primeiro e eu gostaria de me apresentar.  Sou um estudante de <em>software </em>e eu realmente gosto de tecnologia. A meta principal é aprender bastante e desenvolver soluções para ajudar pessoas no trabalho&#8230; e outras coisas. Eu <span style="text-decoration:line-through;">tento</span> escrevo em inglês também mas é apenas para treinar&#8230; Algum dia aprenderei de verdade.</p>
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