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125 lines
5.2 KiB
125 lines
5.2 KiB
11 months ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1, viewport-fit=cover">
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<title>Julio Biason .Me 4.3</title>
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<!-- CSS -->
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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="sidebar">
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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">Why Mixing Spaces and Tabs IS a Big Deal</h1>
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<span class="post-date">
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2016-12-15
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<a href="https://blog.juliobiason.me/tags/tabs/">#tabs</a>
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<a href="https://blog.juliobiason.me/tags/spaces/">#spaces</a>
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<a href="https://blog.juliobiason.me/tags/clean-code/">#clean code</a>
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<a href="https://blog.juliobiason.me/tags/editors/">#editors</a>
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</span>
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<p>Why something so small is actually a big deal.</p>
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<span id="continue-reading"></span>
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<p>Reading Reddit comments about <a href="https://www.reddit.com/r/programming/comments/5gc871/how_terrible_code_gets_written_by_perfectly_sane/">How terrible code gets written by perfectly
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sane people</a>
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when I read this comment:</p>
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<blockquote>
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<blockquote>
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<p>spaces/tabs for indentation</p>
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</blockquote>
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</blockquote>
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<blockquote>
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<p>Is this a joke? I've been programming professionally from 2008 and I've not
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yet found an actual case where this was an actual problem. The code looks
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the same on everyone's screen if you set tab length in the editor to same
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as the amount of spaces in your indentation. It would take seconds to fix
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this :) I've never seen a tabs vs spaces argument go anywhere. It's such a
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dumb thing to complain about. Maybe because I'm young I don't have
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experience of bad code editors of old days but it's 2016 now. It's not a
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big deal anymore.</p>
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</blockquote>
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<p>Unfortunately, I lost the time to properly reply to this comment, but here it
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goes:</p>
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<p>No, it <em>isn't</em> a joke. If you've read <a href="https://www.goodreads.com/book/show/3735293-clean-code?from_search=true">Clean Code</a>,
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you'd see that, at some point, Uncle Bob mentions that there isn't an actual
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experiment about it, but his team personally found that a programmer that cares about
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consistency and follows coding standards are prone to write less buggy code.</p>
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<p>I get what he means: If someone cares about the small stuff,
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they also care about the big stuff. It doesn't mean that people that ignore
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coding standards (and the difference between using tabs and using spaces)
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doesn't care about the big stuff; but on my own experience in those 28
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years in the field proved the opposite: people who cared about
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"putting the code at the door" without worrying about following coding standards
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(and we can add tabs vs spaces here), proper code documentation,
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separation of concerns, a good level of abstraction, tend to write
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horrible/unmaintable code.</p>
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<p><em>This</em> is why mixed spaces/tabs is bad: it means that whoever didn't care enough
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with something so small as the coding standard, probably didn't care
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about the bigger stuff. Their only worry was to deliever stuff, no matter
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what. "And no matter what" usually results in terrible code.</p>
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<p>So, while not an "actual problem", it is an indicator that something really
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terrible is going on. So, no, it isn't a joke and yes, it is a big deal. And
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it has absolutely nothing to do with "bad code editors", it's a problem with
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"bad coders".</p>
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</div>
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</div>
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</body>
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</html>
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