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	<title>Luís Henrique</title>
	
	<link>http://luishenrique.org/blog</link>
	<description>Blog sobre Linux, programação, WebStandards e música.</description>
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		<title>Python: encurte URL com o migre.me</title>
		<link>http://luishenrique.org/blog/posts/python-api-migre-me</link>
		<comments>http://luishenrique.org/blog/posts/python-api-migre-me#comments</comments>
		<pubDate>Fri, 16 Oct 2009 12:44:42 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Dicas]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Programação]]></category>
		<category><![CDATA[Python]]></category>
		<category><![CDATA[API]]></category>
		<category><![CDATA[Rapidinhas]]></category>
		<category><![CDATA[Scripts]]></category>
		<category><![CDATA[URL]]></category>
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		<guid isPermaLink="false">http://luishenrique.org/blog/?p=212</guid>
		<description><![CDATA[
Fiz esse código em Python para encurtar uma URL através da API do migre.me. Como não sou um expert (como o Walter Cruz, o Rafael Martins e Osvaldo Santana), o programa ficou simples e, claro, pode precisa ser melhorado.
O Rafael Martins fez um script melhor que o meu. Download: migreme.py
Vamos lá
Faça o download do script [...]]]></description>
			<content:encoded><![CDATA[<p class="centro"><a href="http://migre.me"><img src="http://luishenrique.org/blog/wp-content/uploads/2009/10/migreme.png" alt="Migre.me" title="Migre.me" class="alignright size-full wp-image-230" /></a></p>
<p>Fiz esse código em Python para encurtar uma URL através da <a href="http://migre.me/api-migreme/" rel="external">API do migre.me</a>. Como não sou um <em>expert</em> (como o <a href="http://devlog.waltercruz.com">Walter Cruz</a>, o <a href="http://rafaelmartins.eng.br">Rafael Martins</a> e <a href="http://pythonologia.org">Osvaldo Santana</a>), o programa ficou simples e, claro, <del datetime="2009-10-17T05:24:42+00:00">pode</del> <strong style="color: red">precisa ser melhorado</strong>.</p>
<p><em><strong>O <a href="http://rafaelmartins.eng.br/">Rafael Martins</a> fez um script melhor que o meu. Download: <a href="http://hg.rafaelmartins.eng.br/scripts/file/0506383cceff/python/migreme.py">migreme.py</a></strong></em></p>
<h3>Vamos lá</h3>
<p>Faça o <a href="http://labs.luishenrique.org/python/migreme.py">download do script</a> e dê a ele a permissão para ser executado:</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
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</pre></td><td class="code"><pre class="bash" style="font-family:monospace;">$ <span style="color: #c20cb9; font-weight: bold;">wget</span> http:<span style="color: #000000; font-weight: bold;">//</span>labs.luishenrique.org<span style="color: #000000; font-weight: bold;">/</span>migreme.py
$ <span style="color: #c20cb9; font-weight: bold;">chmod</span> +x migreme.py</pre></td></tr></table></div>

<p>Para executá-lo:</p>

<div class="wp_syntax"><div class="code"><pre class="bash" style="font-family:monospace;">$ .<span style="color: #000000; font-weight: bold;">/</span>migreme.py <span style="color: #000000; font-weight: bold;">&lt;</span>url<span style="color: #000000; font-weight: bold;">&gt;</span></pre></div></div>

<h3>Exemplo de uso:</h3>

<div class="wp_syntax"><div class="code"><pre class="bash" style="font-family:monospace;">lh<span style="color: #000000; font-weight: bold;">@</span>debian:~$ .<span style="color: #000000; font-weight: bold;">/</span>migreme.py http:<span style="color: #000000; font-weight: bold;">//</span>luishenrique.org<span style="color: #000000; font-weight: bold;">/</span>blog<span style="color: #000000; font-weight: bold;">/</span>posts<span style="color: #000000; font-weight: bold;">/</span>python-api-migre-me
&nbsp;
-<span style="color: #000000; font-weight: bold;">&gt;</span> Shortened URL: http:<span style="color: #000000; font-weight: bold;">//</span>migre.me<span style="color: #000000; font-weight: bold;">/</span>9clv</pre></div></div>

<p>Para rodar como um programa nativo, faça um link simbólico com o superusuário (ou copie o arquivo) em alguma pasta contida na variável $PATH.</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
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</pre></td><td class="code"><pre class="bash" style="font-family:monospace;"><span style="color: #7a0874; font-weight: bold;">echo</span> <span style="color: #007800;">$PATH</span>
<span style="color: #000000; font-weight: bold;">/</span>usr<span style="color: #000000; font-weight: bold;">/</span>local<span style="color: #000000; font-weight: bold;">/</span>sbin:<span style="color: #000000; font-weight: bold;">/</span>usr<span style="color: #000000; font-weight: bold;">/</span>local<span style="color: #000000; font-weight: bold;">/</span>bin:<span style="color: #000000; font-weight: bold;">/</span>usr<span style="color: #000000; font-weight: bold;">/</span>sbin:<span style="color: #000000; font-weight: bold;">/</span>usr<span style="color: #000000; font-weight: bold;">/</span>bin:<span style="color: #000000; font-weight: bold;">/</span>sbin:<span style="color: #000000; font-weight: bold;">/</span>bin
&nbsp;
<span style="color: #7a0874; font-weight: bold;">cd</span> <span style="color: #000000; font-weight: bold;">/</span>usr<span style="color: #000000; font-weight: bold;">/</span>local<span style="color: #000000; font-weight: bold;">/</span>bin<span style="color: #000000; font-weight: bold;">/</span>
<span style="color: #c20cb9; font-weight: bold;">ln</span> <span style="color: #660033;">-s</span> <span style="color: #000000; font-weight: bold;">/</span>home<span style="color: #000000; font-weight: bold;">/&lt;</span>USUARIO<span style="color: #000000; font-weight: bold;">&gt;/</span>pasta<span style="color: #000000; font-weight: bold;">/</span>do<span style="color: #000000; font-weight: bold;">/</span>script<span style="color: #000000; font-weight: bold;">/</span>migreme.py migreme</pre></td></tr></table></div>

<p>E execute agora somente com:</p>

<div class="wp_syntax"><div class="code"><pre class="bash" style="font-family:monospace;">$ migreme <span style="color: #000000; font-weight: bold;">&lt;</span>url<span style="color: #000000; font-weight: bold;">&gt;</span></pre></div></div>

<h3>Código-fonte (<strong>Python 2</strong>) do <em>migreme.py</em>:</h3>

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</pre></td><td class="code"><pre class="python" style="font-family:monospace;"><span style="color: #808080; font-style: italic;">#! /usr/bin/env python</span>
<span style="color: #808080; font-style: italic;">#</span>
<span style="color: #808080; font-style: italic;"># Simple script using the migre.me API</span>
<span style="color: #808080; font-style: italic;"># Author: Luis Henrique B. Sousa &lt;contato@luishenrique.org&gt;</span>
<span style="color: #808080; font-style: italic;"># Date: 2009-10-16</span>
<span style="color: #808080; font-style: italic;">#</span>
<span style="color: #808080; font-style: italic;"># Usage: python migreme.py &lt;url&gt;</span>
<span style="color: #808080; font-style: italic;"># Example: ./migreme.py http://twitter.com/luish_</span>
<span style="color: #808080; font-style: italic;">#	</span>
&nbsp;
<span style="color: #ff7700;font-weight:bold;">import</span> <span style="color: #dc143c;">sys</span>
<span style="color: #ff7700;font-weight:bold;">import</span> <span style="color: #dc143c;">urllib</span>
<span style="color: #ff7700;font-weight:bold;">import</span> <span style="color: #dc143c;">xml</span>.<span style="color: black;">dom</span>.<span style="color: black;">minidom</span>
&nbsp;
api = <span style="color: #483d8b;">'http://migre.me/api.xml?url=%s'</span>
&nbsp;
<span style="color: #ff7700;font-weight:bold;">def</span> migreme<span style="color: black;">&#40;</span>url<span style="color: black;">&#41;</span>:
	mm_url,new_url = api <span style="color: #66cc66;">%</span> url, <span style="color: #483d8b;">''</span>
	dom = <span style="color: #dc143c;">xml</span>.<span style="color: black;">dom</span>.<span style="color: black;">minidom</span>.<span style="color: black;">parse</span><span style="color: black;">&#40;</span><span style="color: #dc143c;">urllib</span>.<span style="color: black;">urlopen</span><span style="color: black;">&#40;</span>mm_url<span style="color: black;">&#41;</span><span style="color: black;">&#41;</span>
&nbsp;
	<span style="color: #ff7700;font-weight:bold;">for</span> i <span style="color: #ff7700;font-weight:bold;">in</span> dom.<span style="color: black;">getElementsByTagName</span><span style="color: black;">&#40;</span><span style="color: #483d8b;">'migre'</span><span style="color: black;">&#41;</span><span style="color: black;">&#91;</span><span style="color: #ff4500;">0</span><span style="color: black;">&#93;</span>.<span style="color: black;">childNodes</span><span style="color: black;">&#91;</span><span style="color: #ff4500;">0</span><span style="color: black;">&#93;</span>.<span style="color: black;">data</span>:
		new_url = new_url + i
&nbsp;
	<span style="color: #ff7700;font-weight:bold;">print</span> <span style="color: #483d8b;">'<span style="color: #000099; font-weight: bold;">\n</span>-&gt; Shortened URL:'</span>, new_url, <span style="color: #483d8b;">'<span style="color: #000099; font-weight: bold;">\n</span>'</span>
&nbsp;
<span style="color: #ff7700;font-weight:bold;">def</span> main<span style="color: black;">&#40;</span><span style="color: #66cc66;">*</span>args<span style="color: black;">&#41;</span>:
	<span style="color: #008000;">list</span> = args<span style="color: black;">&#91;</span><span style="color: #ff4500;">0</span><span style="color: black;">&#93;</span>
	<span style="color: #ff7700;font-weight:bold;">if</span> <span style="color: #008000;">len</span><span style="color: black;">&#40;</span><span style="color: #008000;">list</span><span style="color: black;">&#41;</span> == <span style="color: #ff4500;">1</span>:
		migreme<span style="color: black;">&#40;</span><span style="color: #008000;">str</span><span style="color: black;">&#40;</span><span style="color: #008000;">list</span><span style="color: black;">&#91;</span><span style="color: #ff4500;">0</span><span style="color: black;">&#93;</span><span style="color: black;">&#41;</span><span style="color: black;">&#41;</span>
	<span style="color: #ff7700;font-weight:bold;">else</span>:
		<span style="color: #ff7700;font-weight:bold;">print</span> <span style="color: #483d8b;">&quot;&quot;&quot;
- It works only with a URL.
- Usage: ./migreme.py &lt;url&gt;
-- Example: ./migreme.py http://yoursite.com/articles/search/?query=linux&amp;page=5&amp;language=en	
&quot;&quot;&quot;</span>
&nbsp;
<span style="color: #ff7700;font-weight:bold;">if</span> __name__ == <span style="color: #483d8b;">&quot;__main__&quot;</span>:
    main<span style="color: black;">&#40;</span><span style="color: #dc143c;">sys</span>.<span style="color: black;">argv</span><span style="color: black;">&#91;</span><span style="color: #ff4500;">1</span>:<span style="color: black;">&#93;</span><span style="color: black;">&#41;</span></pre></td></tr></table></div>

<h3>E para <strong>Python 3</strong>:</h3>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
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</pre></td><td class="code"><pre class="python" style="font-family:monospace;"><span style="color: #808080; font-style: italic;">#! /usr/bin/env python</span>
&nbsp;
<span style="color: #ff7700;font-weight:bold;">import</span> <span style="color: #dc143c;">sys</span>
<span style="color: #ff7700;font-weight:bold;">import</span> <span style="color: #dc143c;">urllib</span>.<span style="color: black;">request</span>, <span style="color: #dc143c;">urllib</span>.<span style="color: black;">parse</span>, <span style="color: #dc143c;">urllib</span>.<span style="color: black;">error</span>
<span style="color: #ff7700;font-weight:bold;">import</span> <span style="color: #dc143c;">xml</span>.<span style="color: black;">dom</span>.<span style="color: black;">minidom</span>
&nbsp;
api = <span style="color: #483d8b;">'http://migre.me/api.xml?url=%s'</span>
&nbsp;
<span style="color: #ff7700;font-weight:bold;">def</span> migreme<span style="color: black;">&#40;</span>url<span style="color: black;">&#41;</span>:
	mm_url,new_url = api <span style="color: #66cc66;">%</span> url, <span style="color: #483d8b;">''</span>
	dom = <span style="color: #dc143c;">xml</span>.<span style="color: black;">dom</span>.<span style="color: black;">minidom</span>.<span style="color: black;">parse</span><span style="color: black;">&#40;</span><span style="color: #dc143c;">urllib</span>.<span style="color: black;">request</span>.<span style="color: black;">urlopen</span><span style="color: black;">&#40;</span>mm_url<span style="color: black;">&#41;</span><span style="color: black;">&#41;</span>
&nbsp;
	<span style="color: #ff7700;font-weight:bold;">for</span> i <span style="color: #ff7700;font-weight:bold;">in</span> dom.<span style="color: black;">getElementsByTagName</span><span style="color: black;">&#40;</span><span style="color: #483d8b;">'migre'</span><span style="color: black;">&#41;</span><span style="color: black;">&#91;</span><span style="color: #ff4500;">0</span><span style="color: black;">&#93;</span>.<span style="color: black;">childNodes</span><span style="color: black;">&#91;</span><span style="color: #ff4500;">0</span><span style="color: black;">&#93;</span>.<span style="color: black;">data</span>:
		new_url = new_url + i
&nbsp;
	<span style="color: #ff7700;font-weight:bold;">print</span><span style="color: black;">&#40;</span><span style="color: #483d8b;">'<span style="color: #000099; font-weight: bold;">\n</span>-&gt; Shortened URL:'</span>, new_url, <span style="color: #483d8b;">'<span style="color: #000099; font-weight: bold;">\n</span>'</span><span style="color: black;">&#41;</span>
&nbsp;
<span style="color: #ff7700;font-weight:bold;">def</span> main<span style="color: black;">&#40;</span><span style="color: #66cc66;">*</span>args<span style="color: black;">&#41;</span>:
	<span style="color: #008000;">list</span> = args<span style="color: black;">&#91;</span><span style="color: #ff4500;">0</span><span style="color: black;">&#93;</span>
	<span style="color: #ff7700;font-weight:bold;">if</span> <span style="color: #008000;">len</span><span style="color: black;">&#40;</span><span style="color: #008000;">list</span><span style="color: black;">&#41;</span> == <span style="color: #ff4500;">1</span>:
		migreme<span style="color: black;">&#40;</span><span style="color: #008000;">str</span><span style="color: black;">&#40;</span><span style="color: #008000;">list</span><span style="color: black;">&#91;</span><span style="color: #ff4500;">0</span><span style="color: black;">&#93;</span><span style="color: black;">&#41;</span><span style="color: black;">&#41;</span>
	<span style="color: #ff7700;font-weight:bold;">else</span>:
		<span style="color: #ff7700;font-weight:bold;">print</span><span style="color: black;">&#40;</span><span style="color: #483d8b;">&quot;&quot;&quot;
- It works only with a URL.
- Usage: ./migreme.py &lt;url&gt;
-- Example: ./migreme.py http://yoursite.com/articles/search/?query=linux&amp;page=5&amp;language=en	
&quot;&quot;&quot;</span><span style="color: black;">&#41;</span>
&nbsp;
<span style="color: #ff7700;font-weight:bold;">if</span> __name__ == <span style="color: #483d8b;">&quot;__main__&quot;</span>:
    main<span style="color: black;">&#40;</span><span style="color: #dc143c;">sys</span>.<span style="color: black;">argv</span><span style="color: black;">&#91;</span><span style="color: #ff4500;">1</span>:<span style="color: black;">&#93;</span><span style="color: black;">&#41;</span></pre></td></tr></table></div>

<p>Bom, <del datetime="2009-10-17T05:41:59+00:00">eu achei</del> é uma tremenda <a href="http://desciclo.pedia.ws/wiki/Programação_Orientada_a_Gambiarras">POG</a> incrementar cada caractere na variável new_url, mas foi a solução que eu encontrei. <del datetime="2009-10-17T05:41:59+00:00">Se houver uma maneira melhor, <a href="#respond">diz aí</a></del> Depois vou atualizar o script sem usar esse &#8216;for&#8217; (dica do Rafael Martins). <img src='http://luishenrique.org/blog/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>Se houver dúvida e/ou sugestão, por favor, <a href="#respond">escreva um comentário</a> ou use o <a href="http://luishenrique.org/blog/contato">formulário de contato</a>.</p>






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		<title>Paradigmas de Programação</title>
		<link>http://luishenrique.org/blog/posts/paradigmas-de-programacao</link>
		<comments>http://luishenrique.org/blog/posts/paradigmas-de-programacao#comments</comments>
		<pubDate>Wed, 07 Oct 2009 01:47:08 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Programação]]></category>
		<category><![CDATA[Ciência da Computação]]></category>
		<category><![CDATA[Linguagens]]></category>
		<category><![CDATA[Orientação a objeto]]></category>
		<category><![CDATA[Paradigmas]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=195</guid>
		<description><![CDATA[Introdução
Um paradigma se define na forma como o programador lida com um determinado problema.
Muitos pensam que as linguagens de programação surgiram em uma escala linear, ou seja, que na primeira geração delas o homem se adaptava às máquinas e, depois de várias outras gerações, as linguagens evoluiram umas das outras e capacitaram as máquinas a [...]]]></description>
			<content:encoded><![CDATA[<h3>Introdução</h3>
<blockquote><p>Um paradigma se define na forma como o programador lida com um determinado problema.</p></blockquote>
<p>Muitos pensam que as linguagens de programação surgiram em uma escala linear, ou seja, que na primeira geração delas o homem se adaptava às máquinas e, depois de várias outras gerações, as linguagens evoluiram umas das outras e capacitaram as máquinas a fazer as necessidades humanas. Na verdade, as linguagens surgiram em diferentes trajetórias, cada uma seguindo um determinado paradigma. Além disso, não é verdadeira a proposição que diz que uma linguagem qualquer é, sem exceção, a evolução da linguagem anterior (historicamente).</p>
<p>As linguagens existentes hoje foram se adaptando a uma única forma de programação e às linguagens inseridas no mesmo paradigma. Dentre esses paradigmas, vou conceituar quatro, que são considerados os principais: <strong>paradigma imperativo, declarativo, funcional e orientado a objetos</strong>.</p>
<h3>1. Paradigma imperativo</h3>
<blockquote><p>&#8220;Primeiro faça isso e depois faça aquilo.&#8221;</p>
</blockquote>
<p>A frase acima resume o paradigma imperativo, também conhecido como paradigma <em>procedural</em>. O problema é analisado até que se encontre uma solução. Basicamente, é uma sequência de comandos que o computador executará, passo-a-passo, modificando dados e variáveis a fim de chegar ao resultado esperado. Algol, Basic, C e Pascal são algumas das linguagens de programação que seguem esse paradigma.</p>
<h3>2. Paradigma declarativo</h3>
<blockquote><p>&#8220;Qual é o problema?&#8221;</p>
</blockquote>
<p>O paradigma declarativo caracteriza-se pelo método preciso de descrever um problema, sem se preocupar com qual algoritmo será utilizado para resolvê-lo. A idéia é criar um algoritmo “universal”, capaz de solucionar qualquer problema. O problema se adapta a esse algoritmo, e não o contrário. É baseado em axiomas (verdades universais) e regras de inferência. Prolog é uma linguagem lógica que ilustra essa definição.</p>
<h3>3. Paradigma funcional</h3>
<blockquote><p>Subdividir o problema em outras funções e resolver cada uma separadamente, pois os resultados encontrados serão utilizados posteriormente.</p>
</blockquote>
<p>Sobre o paradigma funcional, é fácil ilustrar através de um fluxograma. Cada bloco recebe no topo uma entrada de dados e retorna, na base, os dados de saída. A solução geral é dividida em várias funções (daí o nome funcional) que, no final, se associam para mostrar o resultado na tela.</p>
<p style="text-align:center;"><img src="http://luishenrique.org/blog/wp-content/uploads/2009/10/fluxograma_paradigma_funcional.jpg" alt="fluxograma_paradigma_funcional" class="aligncenter size-full wp-image-10" style="border:0;" title="Fluxograma de exemplo" /><br /><em>Exemplo simples de paradigma funcional</em></p>
<p>No (clássico) fluxograma acima, o problema &#8211; fazer a média das notas de N alunos -, é dividido em duas etapas: a soma das N notas e a atribuição da quantidade N de alunos à variável <em>contador</em>. Ambos os resultados, soma das notas e contagem dos alunos, são utilizados na operação final, que é dividir a soma das notas pelo número de alunos. É um exemplo muito simples, mas que, penso eu, foi útil para exemplificar o conceito.</p>
<h3>4. Paradigma orientado a objetos</h3>
<blockquote><p>Um conjunto de classes faz a interação entre objetos (instâncias) e, com a troca de mensagens entre eles, forma-se o software como um todo.</p>
</blockquote>
<p>Praticamente tudo é objeto, cada qual com estrutura e comportamento próprios. Esses objetos são classificados em classes e comunicam entre si. Cada uma dessas representa um determinado fenômeno e seus objetos são organizados hierarquicamente. O conjunto de classes faz a interação entre objetos e a troca de mensagens entre eles forma o software como um todo.</p>
<p>Esse paradigma vem ganhando cada vez mais popularidade. Isso se dá devido ao grande número de vantagens em trabalhar com orientação a objeto, como a flexibilidade do código quando se trabalha em sistemas de grande porte e com uma maior equipe de programadores.</p>
<h3>Referência</h3>
<p>BROOKSHEAR, J. Glenn.  Ciência da Computação: uma visão abrangente .  5. ed</p>






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		<title>Referência de comandos: miniman</title>
		<link>http://luishenrique.org/blog/posts/miniman</link>
		<comments>http://luishenrique.org/blog/posts/miniman#comments</comments>
		<pubDate>Sat, 12 Sep 2009 21:06:53 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Dicas]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Comandos]]></category>
		<category><![CDATA[Documentação]]></category>
		<category><![CDATA[Ebook]]></category>
		<category><![CDATA[Ferramentas]]></category>
		<category><![CDATA[Internet]]></category>
		<category><![CDATA[Leitura]]></category>
		<category><![CDATA[Melhores]]></category>
		<category><![CDATA[Online]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=156</guid>
		<description><![CDATA[O Aurélio soltou mais um projeto bacana. É o miniman, que nada mais é do que uma versão resumida das man pages. Estas, como o próprio Aurélio disse, são chatas e confusas, contém milhares de opções e têm formatação arcaica. 
Link para o miniman: http://aurelio.net/shell/miniman/
Contém os comandos básicos, como: cat, cut, diff, find, grep, sed, [...]]]></description>
			<content:encoded><![CDATA[<p>O <a href="http://aurelio.net" title="Aurélio Marinho Jargas" rel="external">Aurélio</a> soltou mais um projeto bacana. É o <a href="http://aurelio.net/shell/miniman/" title="mini man page por Aurélio.net" rel="external">miniman</a>, que nada mais é do que uma versão resumida das <a href="http://pt.wikipedia.org/wiki/Man_page" title="Definição de Man Pages na Wikipédia" rel="external">man pages</a>. Estas, como o próprio Aurélio disse, <em>são chatas e confusas, contém milhares de opções e têm formatação arcaica</em>. </p>
<p><strong>Link para o miniman: <a href="http://aurelio.net/shell/miniman/" title="mini man page por Aurélio.net" rel="external">http://aurelio.net/shell/miniman/</a></strong></p>
<p>Contém os comandos básicos, como: cat, cut, diff, find, grep, sed, sort, tail e wc. Além da versão online, o autor vende o PDF por apenas R$5,00. É ideal para usar como guia de bolso, colocar no smartphone, netbook, etc.</p>
<p>Fica a dica! Até a próxima!</p>






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		<title>Agora sou aluno da UFLA</title>
		<link>http://luishenrique.org/blog/posts/agora-sou-aluno-da-ufla</link>
		<comments>http://luishenrique.org/blog/posts/agora-sou-aluno-da-ufla#comments</comments>
		<pubDate>Thu, 23 Jul 2009 01:27:59 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Carreira]]></category>
		<category><![CDATA[Geral]]></category>
		<category><![CDATA[Pessoal]]></category>
		<category><![CDATA[Ciência da Computação]]></category>
		<category><![CDATA[UFLA]]></category>
		<category><![CDATA[Universidade]]></category>
		<category><![CDATA[Vestibular]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=142</guid>
		<description><![CDATA[Aaaeee!!


Vocês nem imaginam o quanto estou feliz por essa conquista. Após a frustração no fim do ano passado (2008), consegui a vaga para o curso de Ciência da Computação na UFLA. Desde quando eu comecei a me interessar por computadores e tecnologia (aos 12 ou 13 anos), já sonhava em estudar na Universidade Federal de [...]]]></description>
			<content:encoded><![CDATA[<p>Aaaeee!!</p>
<p style="text-align:center;"><a rel="attachment wp-att-143" href="http://luishenrique.org/blog/posts/agora-sou-aluno-da-ufla/logo_ufla"><img class="alignright size-medium wp-image-143" title="UFLA" src="http://luishenrique.org/blog/wp-content/uploads/2009/07/logo_ufla-200x81.jpg" alt="UFLA" width="200" height="81" /></a></p>
<p></p>
<p>Vocês nem imaginam o quanto estou feliz por essa conquista. Após a frustração no fim do ano passado (2008), consegui a vaga para o curso de Ciência da Computação na <a href="http://www.ufla.br/">UFLA</a>. Desde quando eu comecei a me interessar por computadores e tecnologia (aos 12 ou 13 anos), já sonhava em estudar na Universidade Federal de Lavras.</p>
<p>Eu não estava tão confiante que seria na primeira chamada, mas consegui uma boa nota na redação (85%) e segurei a 31ª das 40 vagas. Agora é preparar os documentos e comemorar! <img src='http://luishenrique.org/blog/wp-includes/images/smilies/icon_biggrin.gif' alt=':D' class='wp-smiley' /> </p>
<p>Abraços!</p>






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		<title>Livro: A Caravela dos Insensatos</title>
		<link>http://luishenrique.org/blog/posts/livro-a-caravela-dos-insensatos</link>
		<comments>http://luishenrique.org/blog/posts/livro-a-caravela-dos-insensatos#comments</comments>
		<pubDate>Sat, 16 May 2009 03:57:45 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Dicas]]></category>
		<category><![CDATA[Livros]]></category>
		<category><![CDATA[Resenhas]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=120</guid>
		<description><![CDATA[
Capa do livro
&#8220;A Caravela dos Insensatos&#8221; é um livro para quem gosta de história e cultura em geral. Nele, o autor Paulo Novaes explora vários acontecimentos da Renascença através das viagens de Cristóvao Colombo, Fernando Colombo e Bartolomeu Colombo &#8211; filho e irmão, respectivamente &#8211; e Frei Gorricho (o narrador do livro).
Eles viajam por toda [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: center;"><a href="http://www.google.com.br/search?q='a+caravela+dos+insensatos'"><img class="aligncenter size-full wp-image-121" title="Livro &quot;A Caravela dos Insensatos&quot;" src="http://luishenrique.org/blog/wp-content/uploads/2009/05/livro-caravela-insensatos.jpg" alt="Livro &quot;A Caravela dos Insensatos&quot;" width="300" height="444" /></a><br />
<em>Capa do livro</em></p>
<p><strong>&#8220;A Caravela dos Insensatos&#8221;</strong> é um livro para quem gosta de história e cultura em geral. Nele, o autor Paulo Novaes explora vários acontecimentos da Renascença através das viagens de <a href="http://pt.wikipedia.org/wiki/Cristóvão_Colombo" rel="external">Cristóvao Colombo</a>, Fernando Colombo e Bartolomeu Colombo &#8211; filho e irmão, respectivamente &#8211; e Frei Gorricho (o narrador do livro).</p>
<p>Eles viajam por toda a Europa em busca de uma explicação sensata a respeito do livro <strong>&#8220;Mundus Novus&#8221;</strong> e a suposta &#8220;descoberta&#8221; da América por <a href="http://pt.wikipedia.org/wiki/Américo_Vespúcio" rel="external">Américo Vespúcio</a>. Passando por Espanha, Itália, Suíça, Alemanha e França descobrem várias edições do mesmo livro e com erros geográficose cartográficos que, segundo Cristóvão Colombo, um navegador experiente como Vespúcio não cometeria.</p>
</p>
<p style="text-align: center;"><a href="http://pt.wikipedia.org/wiki/Cristóvão_Colombo""><img src="http://luishenrique.org/blog/wp-content/uploads/2009/05/cristovao-colombo-162x200.jpg" alt="cristovao-colombo" title="cristovao-colombo" width="162" height="200" class="alignright size-medium wp-image-124" /></a><br /><em>Retrato póstumo de Cristóvão Colombo feito por <a href="http://pt.wikipedia.org/wiki/Ridolfo_Ghirlandaio" rel="external">Ridolfo Ghirlandaio</a></em></p>
<p>Cito alguns célebres personagens do livro: </p>
<ul>
<li><a href="http://pt.wikipedia.org/wiki/Nicolau_Maquiavel" rel="external">Nicolau Maquiavel</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Sandro_Botticelli" rel="external">Sandro Botticelli</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Papa_Alexandre_VI" rel="external">Papa Alexandre VI</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Isabel_I_de_Castela" rel="external">Isabel I</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Leonardo_da_Vinci" rel="external">Leonardo da Vinci</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Ptolemeu" rel="external">Cláudio Ptolomeu</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Francisco_Pizarro" rel="external">Francisco Pizarro</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Michelangelo_Buonarroti" rel="external">Michelangelo Buonarroti</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Catarina_de_Aragão" rel="external">Catarina de Aragão</a></li>
<li><a href="http://pt.wikipedia.org/wiki/Rafael_Sanzio" rel="external">Rafael Sanzio</a></li>
</ul>
<p>Além de <a href="http://pt.wikipedia.org/wiki/Mona_Lisa" rel="external">Mona Lisa (ou La Gioconda)</a>, <a href="http://pt.wikipedia.org/wiki/Capela_Sistina" rel="external">Capela Sistina</a> e a imensa religiosidade da família Colombo. Também gostei muito da linguagem <em>mais-do-que-formal</em> empregada nos diálogos, mesmo nos momentos descontraídos.</p>
<p>Confesso que não estava tão interessado em tal obra, mas, após alguns capítulos, não quis mais parar de ler.  <img src='http://luishenrique.org/blog/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
</p>
<p>Fica a dica!</p>






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		</item>
		<item>
		<title>Pidgin: Plugin “O quê estou ouvindo?”</title>
		<link>http://luishenrique.org/blog/posts/pidgin-plugin-o-que-estou-ouvindo</link>
		<comments>http://luishenrique.org/blog/posts/pidgin-plugin-o-que-estou-ouvindo#comments</comments>
		<pubDate>Fri, 26 Dec 2008 18:08:37 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Dicas]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[ArchLinux]]></category>
		<category><![CDATA[Distros]]></category>
		<category><![CDATA[Música]]></category>
		<category><![CDATA[Pidgin]]></category>
		<category><![CDATA[Plugin]]></category>
		<category><![CDATA[Software Livre]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=109</guid>
		<description><![CDATA[Você usa Pidgin e quer que seus contatos vejam qual música você ouve no momento? O plugin musictracker faz isso.

Em Linux, suporta os players: Amarok, Rhythmbox, Audacious, XMMS, MPD, Exaile e outros. Basta configurar nas preferências:

Para instalar no ArchLinux, basta baixar no AUR (ou usar o ABS) para compilar. Outra alternativa é baixar o código [...]]]></description>
			<content:encoded><![CDATA[<p>Você usa Pidgin e quer que seus contatos vejam qual música você ouve no momento? O <a href="http://code.google.com/p/pidgin-musictracker/">plugin musictracker</a> faz isso.</p>
<p style="text-align: center;"><img class="aligncenter size-full wp-image-107" title="Pidgin - Music Traker Plugin" src="http://luishenrique.org/blog/wp-content/uploads/2008/12/musictraker1.png" alt="Pidgin - Music Traker Plugin" /></p>
<p>Em Linux, suporta os players: Amarok, Rhythmbox, Audacious, XMMS, MPD, Exaile e outros. Basta configurar nas preferências:</p>
<p style="text-align: center;"><img class="size-full wp-image-108" title="Configurando Plugin Music Traker" src="http://luishenrique.org/blog/wp-content/uploads/2008/12/musictraker2.png" alt="Configurando Plugin Music Traker" /></p>
<p>Para <strong>instalar</strong> no ArchLinux, basta <a href="http://aur.archlinux.org/packages.php?K=musictracker">baixar no AUR</a> (ou usar o <a href="http://wiki.archlinux.org/index.php/ABS_-_The_Arch_Build_System">ABS</a>) para compilar. Outra alternativa é baixar o <a href="http://code.google.com/p/pidgin-musictracker/downloads/list">código fonte no Google Code</a> e compilar manualmente.</p>






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		</item>
		<item>
		<title>Nova opção de busca no Google Image Search</title>
		<link>http://luishenrique.org/blog/posts/nova-opcao-de-busca-no-google-image-search</link>
		<comments>http://luishenrique.org/blog/posts/nova-opcao-de-busca-no-google-image-search#comments</comments>
		<pubDate>Sat, 20 Dec 2008 15:33:45 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Dicas]]></category>
		<category><![CDATA[Google]]></category>
		<category><![CDATA[Imagens]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=99</guid>
		<description><![CDATA[Foi publicado no Official Google Blog.

Agora, no Google Image Search, podemos buscar por conteúdo da imagem. Entre as opções, está a busca por rostos e clip art&#8217;s. Veja uma simples busca com e sem o novo recurso.


Eu gostei.






	
	
	
	
	
	
	
	
	
	
	
	


]]></description>
			<content:encoded><![CDATA[<p>Foi <a rel="external" href="http://googleblog.blogspot.com/2008/12/new-search-by-style-options-for-google.html">publicado</a> no <a rel="external" href="http://googleblog.blogspot.com/">Official Google Blog</a>.</p>
<p style="text-align: center;"><img class="size-full wp-image-100 aligncenter" title="google-image-search" src="http://luishenrique.org/blog/wp-content/uploads/2008/12/google-image-search.png" alt="Google image search" /></p>
<p>Agora, no Google Image Search, podemos buscar por conteúdo da imagem. Entre as opções, está a busca por rostos e clip art&#8217;s. Veja uma simples busca <a rel="external" href="http://images.google.com/images?q=tux&amp;hl=en&amp;sa=G&amp;imgtype=lineart&amp;as_st=y">com</a> e <a rel="external" href="http://images.google.com/images?q=tux">sem</a> o novo recurso.</p>
<p style="text-align: center;"><img class="size-full wp-image-95 alignnone" title="Google Image Search" src="http://luishenrique.org/blog/wp-content/uploads/2008/12/google-image-search1.png" alt="Google image search" width="400" height="111" /></p>
<p style="text-align: center;"><img class="aligncenter" title="Google Image Search" src="http://img187.imageshack.us/img187/7351/googleimagesearch2td1.png" alt="Google image search" width="400" height="120" /></p>
<p>Eu gostei.</p>






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		<title>Python 3000</title>
		<link>http://luishenrique.org/blog/posts/python-3000</link>
		<comments>http://luishenrique.org/blog/posts/python-3000#comments</comments>
		<pubDate>Fri, 05 Dec 2008 12:27:53 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Programação]]></category>
		<category><![CDATA[Python]]></category>
		<category><![CDATA[Download]]></category>
		<category><![CDATA[Software Livre]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=87</guid>
		<description><![CDATA[A versão final do Python 3.0 foi liberada nessa quarta-feira, dia 3 de dezembro, neste anúncio.

Como diz no proprio site, &#8220;Python 3,0 (também conhecido por &#8220;Python 3000&#8243; ou &#8220;Py3k&#8221;) é uma nova versão da linguagem, incompatível com a linha 2.x. A linguagem é essencialmente a mesma, mas muitos detalhes, especialmente na forma como construir objetos [...]]]></description>
			<content:encoded><![CDATA[<p>A versão final do Python 3.0 foi liberada nessa quarta-feira, dia 3 de dezembro, <a rel="external" href="http://mail.python.org/pipermail/python-list/2008-December/518408.html">neste anúncio</a>.</p>
<p style="text-align: center;"><img class="aligncenter" title="Python" src="http://www.python.org/images/python-logo.gif" alt="Logo Python" /></p>
<p>Como diz no proprio site, &#8220;Python 3,0 (também conhecido por &#8220;Python 3000&#8243; ou &#8220;Py3k&#8221;) é uma nova versão da linguagem, incompatível com a linha 2.x. A linguagem é essencialmente a mesma, mas muitos detalhes, especialmente na forma como construir objetos como dicionários e strings, mudaram consideravelmente. Além disso, vários recursos &#8216;deprecated&#8217; foram removidos.&#8221;</p>
<p>Em &#8220;<a rel="external" href="http://docs.python.org/3.0/whatsnew/3.0.html">What’s New In Python 3.0</a>&#8220;, as mudanças estão exemplificadas, como a seguir:</p>
<blockquote><p><em><span style="color: #ff0000;">2.x</span>: print<br />
<strong>2.3</strong>: print()</em></p>
<p><span style="color: #ff0000;"><em>2.x</em></span><em>: print &#8220;2 vezes 2 é&#8221;, 2*2<br />
<strong>2.3</strong>: print(&#8221;2 vezes 2 é&#8221;, 2*2)</em></p></blockquote>
<p>Enfim, seguem alguns links:</p>
<ul>
<li>Documentação Python v3.0 &#8211; <a rel="external" href="http://docs.python.org/3.0/">http://docs.python.org/3.0/</a></li>
<li>Download &#8211; <a rel="external" href="http://www.python.org/download/releases/3.0/">http://www.python.org/download/releases/3.0/</a></li>
<li>Changelog &#8211; <a rel="external" href="http://www.python.org/download/releases/3.0/NEWS.txt">http://www.python.org/download/releases/3.0/NEWS.txt</a></li>
</ul>






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		<title>Desconectado e desatualizado</title>
		<link>http://luishenrique.org/blog/posts/desconectado-e-desatualizado</link>
		<comments>http://luishenrique.org/blog/posts/desconectado-e-desatualizado#comments</comments>
		<pubDate>Wed, 15 Oct 2008 00:53:44 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Geral]]></category>
		<category><![CDATA[Pessoal]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=85</guid>
		<description><![CDATA[Nesse período sem Internet, quase dois meses sem &#8220;blogar&#8221;, perdi muitos acontecimentos no mundo virtual.
Por exemplo, me falaram (leia-se teclaram) hoje que o Archlinux está em baixa e que houve vários problemas em relação ao driver nVidia, Xorg e outras coisas. Bom, não houve nada com o meu sistema, já que não atualizo, mas, em [...]]]></description>
			<content:encoded><![CDATA[<p>Nesse período sem Internet, quase dois meses sem &#8220;blogar&#8221;, perdi muitos acontecimentos no mundo virtual.</p>
<p>Por exemplo, me falaram (leia-se teclaram) hoje que o Archlinux está em baixa e que houve vários problemas em relação ao driver nVidia, Xorg e outras coisas. Bom, não houve nada com o meu sistema, já que não atualizo, mas, em relação ao driver nVidia, já foi noticiado uma <a href="http://archlinux.org/news/413/">solução no site oficial</a>.</p>
<p>Perdi também o lançamento do <a href="http://www.google.com/chrome/">Google Chrome</a>, o novo layout do <a href="http://forum.ievolutionweb.com/">Fórum Webly</a>, entre outros como o <a href="http://brasigo.com.br/">Brasigo</a> e o <a href="http://blip.fm/">Blip.fm</a>.</p>
<p>Enfim, será assim, ausente da web, até o fim de Novembro. É difícil, mas valerá à pena. <img src='http://luishenrique.org/blog/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
<p>Abraços!</p>






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		<title>Wallpapers ArchLinux</title>
		<link>http://luishenrique.org/blog/posts/wallpapers-archlinux</link>
		<comments>http://luishenrique.org/blog/posts/wallpapers-archlinux#comments</comments>
		<pubDate>Sat, 02 Aug 2008 12:37:19 +0000</pubDate>
		<dc:creator>Luís Henrique</dc:creator>
				<category><![CDATA[Dicas]]></category>
		<category><![CDATA[Geral]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[ArchLinux]]></category>
		<category><![CDATA[Design]]></category>
		<category><![CDATA[GIMP]]></category>
		<category><![CDATA[Wallpaper]]></category>

		<guid isPermaLink="false">http://luishenrique.org/blog/?p=79</guid>
		<description><![CDATA[Olá!
Na falta de Internet, buscamos algo para fazer no computador offline. Certo? Então, eu gosto de ficar desenhando e criando coisas (geralmente, wallpapers) no GIMP e Inkscape.
Neste tempo eu criei alguns Wallpapers do ArchLinux. Disponibilizei-os no fórum oficial da distribuição e, até agora, alguns membros responderam positivamente.  
Primeiro wallpaper:

Este acima, criei em 5 cores: [...]]]></description>
			<content:encoded><![CDATA[<p>Olá!</p>
<p>Na falta de Internet, buscamos algo para fazer no computador <em>offline</em>. Certo? Então, eu gosto de ficar desenhando e criando coisas (geralmente, wallpapers) no GIMP e Inkscape.</p>
<p>Neste tempo eu criei alguns Wallpapers do ArchLinux. <a href="http://bbs.archlinux.org/viewtopic.php?pid=400952 ">Disponibilizei-os no fórum oficial</a> da distribuição e, até agora, alguns membros responderam positivamente. <img src='http://luishenrique.org/blog/wp-includes/images/smilies/icon_biggrin.gif' alt=':D' class='wp-smiley' /> </p>
<p><strong>Primeiro wallpaper</strong>:</p>
<p style="text-align: center;"><img class="aligncenter" src="http://luishenrique.org/blog/imagens/wallpaper-green-mini.png" alt="Wallpaper Verde - ArchLinux" /></p>
<p>Este acima, criei em 5 cores: azul, cinza, marrom, roxo e verde. A pedido de um membro, adicionei as versões em Widescreen.</p>
<p><strong>Download</strong> <a href="http://labs.luishenrique.org/archlinux/wallpapers/ArchStripes-with-wideversion.tar.gz">aqui</a> ou <a href="http://rapidshare.com/files/134292404/ArchStripes-with-wideversion.tar.gz.html">aqui</a>.</p>
<p><strong>Segundo wallpaper</strong>:</p>
<p style="text-align: center;"><a href="http://img523.imageshack.us/img523/6311/oficialcoloursic9.png"><img class="aligncenter" src="http://luishenrique.org/blog/imagens/wallpaper-gray-mini.png" alt="Wallpaper cinza - ArchLinux" /></a></p>
<p style="text-align: center;"><a href="http://img509.imageshack.us/img509/2126/oficialcolours2oe1.png"><img class="aligncenter" src="http://luishenrique.org/blog/imagens/wallpaper-white-mini.png" alt="Wallpaper branco - Archlinux" /></a></p>
<p>Clique na imagem para fazer <strong>download</strong> ou <a href="http://labs.luishenrique.org/archlinux/wallpapers/ArchLinux-clean.tar.gz">baixe aqui (com widescreen)</a>.</p>
<p>Espero que gostem (e comentem)! Abraços!</p>






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