The Polymathic Engineer

The Polymathic Engineer

When to repeat yourself

When duplicated code is the better tradeoff.

Franco Fernando's avatar
Franco Fernando
Jul 04, 2026
∙ Paid

Hi Friends,

Welcome to the 180th issue of the Polymathic Engineer newsletter.

In a recent article, we talked about the DRY principle and why removing duplication can lead to fewer bugs and more reusable code. As you know, DRY is one of the most well-known rules in software engineering, and most of us learn it early in our careers.

But here’s the thing: DRY…

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