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<title>Introdução ao Clean Code Meetup</title>
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<meta name="description" content="Colocando uma aplicação Flask em produção em 40 minutos (ou menos)">
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<meta name="author" content="Julio Biason">
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<section>
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<section data-background="_images/cleancode.jpg" data-header>
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<h1 class="semi-opaque">
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Introdução ao Clean Code Meetup
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</h1>
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</section>
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</section>
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<section>
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<section>
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<img src="_images/avatar-20170726.png" alt="Me" style="float:left;width:200px;" class="no-border">
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<div>
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<ul class="empty">
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<li>Júlio Biason</li>
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<li>@juliobiason</li>
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<li>julio.biason@gmail.com</li>
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<li><a href="https://presentations.juliobiason.me">https://presentations.juliobiason.me</a></li>
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</ul>
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</div>
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</section>
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<section>
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<section>
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<h2>De onde saiu essa ideia?</h2>
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</section>
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</section>
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<section>
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<section>
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<h2>The Book</h2>
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<img src="_images/cleancode.jpg" alt=""/>
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</section>
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<section>
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<p style="text-align:left">
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S<span class="fragment">ingle Responsibility Principle</span></br>
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O<span class="fragment">pen/Closed Principle</span></br>
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L<span class="fragment">iskov Substituiion Principle</span></br>
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I<span class="fragment">nterface Segregation Principle</span></br>
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D<span class="fragment">ependency Inversion Principle</span></br>
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</p>
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</section>
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</section>
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<section>
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<section>
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<h2><a href="https://twitter.com/ramalhoorg/status/979336752958791681" target="_blank">Luciano Ramalho</a></h2>
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<pre><code># Python: check that password as at least one lowercase
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# letter, one uppercase and three digits
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def check(password):
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return (any(c.islower() for c in password)
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and any(c.isupper() for c in password)
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and sum(c.isdigit() for c in password) >= 3)</code></pre>
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</section>
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<section>
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<h2><a href="https://twitter.com/dabeaz/status/979370009607770118" target="_blank">David Beazley</a></h2>
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<pre><code>
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from collections import Counter
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from unicodedata import category
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def check(password):
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c = Counter(category(ch) for ch in password)
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return c['Ll']>=1 and c['Lu'] >= 1 and c['Nd'] >= 3
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</code></pre>
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</section>
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<section>
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<h2><a href="https://twitter.com/juliobiason/status/981582433920475136" target="_blank">Julio Biason</a></h2>
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<pre><code>
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LOWERCASE_CHARS = "Ll"
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UPCASE_CHARS = "Lu"
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NUMBERS = "Nd"
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def check(password):
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number_of = Counter(category(ch) for ch in password)
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return number_of[LOWERCASE_CHARS] >= 1 and number_of[UPCASE_CHARS] >= 1 and number_of[NUMBERS] >= 3
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</code></pre>
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</section>
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<section>
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<p>
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"Programs must be written for people to read, and only
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incidentally for machines to execute."
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</p>
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<p>
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Abelson / Sussman, "Structure and Interpretation of Computer Programs"
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</p>
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<aside class="notes">
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Sussman is a coauthor (with Hal Abelson and his
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wife Julie Sussman) of the introductory computer
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science textbook Structure and Interpretation of
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Computer Programs.
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</aside>
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</section>
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</section>
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<section>
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<section>
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<h2>Regras</h2>
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</section>
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<section>
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<img src="_images/cleancode_dontbeadick.jpg" alt=""/>
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</section>
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<section>
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<p>one man's rubbish may be another's treasure</p>
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<p>Hector Urquhart</p>
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</section>
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</section>
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<section data-background='_images/thats-all-folks.jpg'>
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<section>
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<h1 class="fragment semi-opaque">Perguntas?</h1>
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</section>
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</section>
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