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  <title>Rogério Chaves</title>
  
  
  <link href="https://rchaves.app/atom.xml" rel="self"/>
  
  <link href="https://rchaves.app/"/>
  <updated>2025-06-26T11:01:14.891Z</updated>
  <id>https://rchaves.app/</id>
  
  <author>
    <name>Rogério Chaves</name>
    
  </author>
  
  <generator uri="https://hexo.io/">Hexo</generator>
  
  <entry>
    <title>The Agent Testing Pyramid</title>
    <link href="https://rchaves.app/the-agent-testing-pyramid/"/>
    <id>https://rchaves.app/the-agent-testing-pyramid/</id>
    <published>2025-06-25T00:00:00.000Z</published>
    <updated>2025-06-26T11:01:14.891Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;Ever since we have</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Scaling from a Billion to a Million to One</title>
    <link href="https://rchaves.app/scaling-from-a-billion-to-a-million-to-one/"/>
    <id>https://rchaves.app/scaling-from-a-billion-to-a-million-to-one/</id>
    <published>2025-01-02T00:00:00.000Z</published>
    <updated>2025-01-02T09:15:44.966Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;When I started &lt;a</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Life without Tabs</title>
    <link href="https://rchaves.app/life-without-tabs/"/>
    <id>https://rchaves.app/life-without-tabs/</id>
    <published>2022-12-22T00:00:00.000Z</published>
    <updated>2022-12-22T11:21:53.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;Tabs were a</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Removing cookie consent requests from Firefox iOS</title>
    <link href="https://rchaves.app/firefox-ios-without-cookies/"/>
    <id>https://rchaves.app/firefox-ios-without-cookies/</id>
    <published>2022-02-17T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;One thing that has</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>The Pragmatic Pragmatic Programmer</title>
    <link href="https://rchaves.app/pragmatic-pragmatic-programmer/"/>
    <id>https://rchaves.app/pragmatic-pragmatic-programmer/</id>
    <published>2022-01-04T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;h2 id=&quot;pragmatic&quot;&gt;&lt;a</summary>
        
      
    
    
    
    
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  <entry>
    <title>Why Agile Works</title>
    <link href="https://rchaves.app/why-agile-works/"/>
    <id>https://rchaves.app/why-agile-works/</id>
    <published>2021-10-03T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;A lot is discussed</summary>
        
      
    
    
    
    
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  <entry>
    <title>Can you guarantee that a function has no bugs?</title>
    <link href="https://rchaves.app/can-you-guarantee-no-bugs/"/>
    <id>https://rchaves.app/can-you-guarantee-no-bugs/</id>
    <published>2021-08-16T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;Software is famously</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Hello World</title>
    <link href="https://rchaves.app/hello-world/"/>
    <id>https://rchaves.app/hello-world/</id>
    <published>2021-08-15T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;In the past decade I</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Simulating Kelly Criterion</title>
    <link href="https://rchaves.app/simulating-kelly-criterion/"/>
    <id>https://rchaves.app/simulating-kelly-criterion/</id>
    <published>2021-06-05T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;I give you $25, then</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Introducing Codesearch</title>
    <link href="https://rchaves.app/introducing-codesearch/"/>
    <id>https://rchaves.app/introducing-codesearch/</id>
    <published>2021-05-26T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;&lt;img</summary>
        
      
    
    
    
    
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  <entry>
    <title>unbreakable.js: where undefined IS a function</title>
    <link href="https://rchaves.app/unbreakable-js/"/>
    <id>https://rchaves.app/unbreakable-js/</id>
    <published>2021-04-22T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;Nowadays there are</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Our microservices are not antifragile</title>
    <link href="https://rchaves.app/our-microservices-are-not-antifragile/"/>
    <id>https://rchaves.app/our-microservices-are-not-antifragile/</id>
    <published>2021-03-25T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;The two terms that</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Create your personal Google</title>
    <link href="https://rchaves.app/create-your-personal-google/"/>
    <id>https://rchaves.app/create-your-personal-google/</id>
    <published>2021-01-01T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;Do you remember</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Band-aid Driven Development</title>
    <link href="https://rchaves.app/band-aid-driven-development/"/>
    <id>https://rchaves.app/band-aid-driven-development/</id>
    <published>2020-11-23T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;When you do agile</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Is Neymar Better Than Average?</title>
    <link href="https://rchaves.app/is-neymar-better-than-average/"/>
    <id>https://rchaves.app/is-neymar-better-than-average/</id>
    <published>2020-09-12T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;I’ve been reading</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Unit: universal test generator tool</title>
    <link href="https://rchaves.app/unit-universal-test-generator-tool/"/>
    <id>https://rchaves.app/unit-universal-test-generator-tool/</id>
    <published>2020-07-24T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;Do you know how to</summary>
        
      
    
    
    
    
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  <entry>
    <title>A non-addictive social network</title>
    <link href="https://rchaves.app/a-non-adictive-social-network/"/>
    <id>https://rchaves.app/a-non-adictive-social-network/</id>
    <published>2020-06-18T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;You get bored,</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Designed v Evolutionary Code</title>
    <link href="https://rchaves.app/designed-v-evolutionary-code/"/>
    <id>https://rchaves.app/designed-v-evolutionary-code/</id>
    <published>2020-02-24T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;When I started</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Building Akinator with Python using Bayes Theorem</title>
    <link href="https://rchaves.app/building-akinator-using-bayes/"/>
    <id>https://rchaves.app/building-akinator-using-bayes/</id>
    <published>2020-01-05T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;Recently I started</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>All the Good Practices I&#39;ve learned in my Career</title>
    <link href="https://rchaves.app/good-practices/"/>
    <id>https://rchaves.app/good-practices/</id>
    <published>2019-05-02T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;When I entered this</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Machine Learning Link Dump 2018</title>
    <link href="https://rchaves.app/machine-learning-link-dump-2018/"/>
    <id>https://rchaves.app/machine-learning-link-dump-2018/</id>
    <published>2018-12-30T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;This was a great</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Recreating React Suspense features in Elm</title>
    <link href="https://rchaves.app/recreating-react-suspense-in-elm/"/>
    <id>https://rchaves.app/recreating-react-suspense-in-elm/</id>
    <published>2018-10-29T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;I’ve made a</summary>
        
      
    
    
    
    
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  <entry>
    <title>Pull Requests or Trunk Based Development?</title>
    <link href="https://rchaves.app/pull-requests-or-trunk-based-development/"/>
    <id>https://rchaves.app/pull-requests-or-trunk-based-development/</id>
    <published>2017-11-21T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;&lt;em&gt;(please wait for</summary>
        
      
    
    
    
    
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  <entry>
    <title>Child-Parent Communication in Elm: OutMsg vs Translator vs NoMap Patterns</title>
    <link href="https://rchaves.app/elm-child-parent-communication-patterns/"/>
    <id>https://rchaves.app/elm-child-parent-communication-patterns/</id>
    <published>2017-07-10T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;When your app Elm</summary>
        
      
    
    
    
    
  </entry>
  
  <entry>
    <title>Fixing CSS problems with elm-css</title>
    <link href="https://rchaves.app/fixing-css-problems-with-elm-css/"/>
    <id>https://rchaves.app/fixing-css-problems-with-elm-css/</id>
    <published>2017-05-10T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;(this blogpost is</summary>
        
      
    
    
    
    
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  <entry>
    <title>Elm: How to use Decoders for Ports + How to not use Decoders for JSON</title>
    <link href="https://rchaves.app/elm-ports-as-decoders/"/>
    <id>https://rchaves.app/elm-ports-as-decoders/</id>
    <published>2017-03-20T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;So, one thing that</summary>
        
      
    
    
    
    
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  <entry>
    <title>Structured TodoMVC example with Elm</title>
    <link href="https://rchaves.app/structured-todomvc-with-elm/"/>
    <id>https://rchaves.app/structured-todomvc-with-elm/</id>
    <published>2016-01-25T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;tl;dr: Check out the</summary>
        
      
    
    
    
    
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  <entry>
    <title>Testing in Elm</title>
    <link href="https://rchaves.app/testing-in-elm/"/>
    <id>https://rchaves.app/testing-in-elm/</id>
    <published>2016-01-17T00:00:00.000Z</published>
    <updated>2022-12-22T11:16:48.000Z</updated>
    
    
      
      
        
        
    <summary type="html">&lt;link rel=&quot;stylesheet&quot; type=&quot;text&amp;#x2F;css&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css&quot;&gt;&lt;p&gt;&lt;strong&gt;May 19:</summary>
        
      
    
    
    
    
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