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119 lines
4.5 KiB
119 lines
4.5 KiB
11 months ago
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<title>Julio Biason .Me 4.3</title>
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<link rel="stylesheet" href="https://blog.juliobiason.me/print.css" media="print">
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</head>
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<body class=" ">
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<div class="container sidebar-sticky">
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<div class="sidebar-about">
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<a href="https://blog.juliobiason.me"><h1>Julio Biason .Me 4.3</h1></a>
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<p class="lead">Old school dev living in a 2.0 dev world</p>
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</div>
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<ul class="sidebar-nav">
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<li class="sidebar-nav-item"><a href="/">English</a></li>
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<li class="sidebar-nav-item"><a href="/pt">Português</a></li>
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<li class="sidebar-nav-item"><a href="/tags">Tags (EN)</a></li>
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<li class="sidebar-nav-item"><a href="/pt/tags">Tags (PT)</a></li>
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</ul>
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<div class="content container">
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<div class="post">
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<h1 class="post-title">Things I Learnt The Hard Way - Shortcuts Are nice, But Only In The Short Run</h1>
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<span class="post-date">
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2019-07-08
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<a href="https://blog.juliobiason.me/tags/books/">#books</a>
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<a href="https://blog.juliobiason.me/tags/things-i-learnt/">#things i learnt</a>
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<a href="https://blog.juliobiason.me/tags/frameworks/">#frameworks</a>
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</span>
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<p>A lot of languages/libraries/frameworks add a way to make things shorter,
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reducing the number of things you need to type.</p>
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<p>But, later, that will bite you and you'll have to remove the shortcut and do
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the long things.</p>
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<span id="continue-reading"></span>
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<p>Frameworks and libraries -- and even some languages -- come with "helpers" for
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most boilerplate things. Instead of typing the same 5 lines of code over and
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over, you can use a simple function; instead of writing the function with 5
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parameters, you can skip a bit and use another one with just one. Or you could
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just add a simple macro expansion on top of your struct/class and it would
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complete all the missing points.</p>
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<p>Don't get me wrong, they are great.</p>
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<p>But you must understand what the macro/function is hiding from you. 'Cause
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sooner or later, you'll find a case where it doesn't have a perfect fit and
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you need to change just a small detail. And then you'll start running in
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circles 'cause, well, how the hell the macro/function did <em>that</em>?</p>
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<p>I've bitten before by <a href="http://spring.io/">Spring</a> and
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<a href="https://serde.rs/">Serde</a> 'cause I started with the shortcuts without
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understanding what they were doing. And then I got a problem which the
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shortcut wouldn't solve, requiring me to go deep into the documentation. And
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because I skipped a few steps and jumped straight into the shortcut, it took
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me awhile to actually get <em>what</em> I needed to do different from the shortcut to
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solve my problem: I had no idea what the shortcut did and, thus, I had no idea
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what I needed differently from the shortcut to solve my problem.</p>
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<div>
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<div style="float:left">
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<< <a href="/books/things-i-learnt/functional-programming">Learn The Basics of Functional Programming</a>
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</div>
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<div style="float:right">
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<a href="/books/things-i-learnt/debuggers">Debuggers Are Overrated</a> >>
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</div>
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</div>
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</div>
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</body>
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</html>
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