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118 lines
4.5 KiB
118 lines
4.5 KiB
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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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<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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<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 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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<a href="/books/things-i-learnt/debuggers">Debuggers Are Overrated</a> >> |
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