Be Merciless
One of the most important characteristics that I find senior developers have is the ability to change their minds and let go of an existing design when it no longer serves its purpose. What I find time and time again is that developers become attached to the current design even in the face of changing …
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Read MoreFocus on Code Quality
I believe in the Agile Manifesto. I know most of the original authors and they know that I think they’re pretty cool. They got so much right in such a short amount of space and that’s very admirable. But there’s one thing that I think they kind of missed the mark on, so I’m going …
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Read MoreUnderstand Refactoring
Refactoring code is not just changing the design of code without changing its external behavior, it’s also doing it in small, safe steps that are repeatable. This is what elevates refactoring to a discipline that we can talk about and create best practices around rather than just willy-nilly ways of changing code. It was Martin …
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Read MoreUnderstand Test-Driven Development
Another important aspect of doing emergent design is doing it safely and that means doing it while code is under test. But not just any tests, we have to write behavioral tests that don’t break when we refactor our code to emerge our designs. These are precisely the kind of tests that I’ve been talking …
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