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Author Archives: Sharon Cichelli
Interface-Oriented Design – Book Review
Ken Pugh’s Interface-Oriented Design (Pragmatic Programmers) presents an approach to designing applications that focuses first on the interfaces, the places where pieces of the application interact. The interfaces here are not primarily user interfaces, but module-to-module interfaces and service interfaces, … Continue reading
Happy Hack-o-ween: Electronics and a microcontroller spice up the haunt
Ah, Halloween, when a young woman’s fancy turns to love. And zombies. I had two personal requirements for the costume I would build this year: It shall be spooky. It shall blink. I’ll tell you about the final result, the … Continue reading
Posted in arduino, electronics
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Refactoring Dinner: Interfaces instead of Inheritance
Last time, in Cooking Up a Good Template Method, I had a template method cooking our dinner. An abstract base class defined the template—the high level steps for preparing a one-skillet dinner—and a derived class provided the implementation for those … Continue reading
Posted in refactoring, unit testing
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Cooking Up a Good Template Method
The software concept of “raising the level of abstraction” has improved my skill and creativity in cooking, by teaching me to think about recipe components in terms of their properties and functions. Practicing abstraction-raising in cooking feeds back to help … Continue reading
Posted in Design Patterns
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Inconvenient Accessibility Makes Self-Documenting Code
Intentional use of access modifiers (public, private, etc.) is like a clear memo to your team. This came up during Steve Bohlen‘s Virtual Alt.Net talk on domain-driven design. Steve explained the distinction between Entity objects, which have a unique identity … Continue reading
Posted in DDD
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Why Argue About Words?
From the opening session of Alt.Net 2007… Nearly as loud as the argument about changing the Alt.Net name is the camp saying “who cares what it’s named?” I don’t have a problem with the Alt.Net name, and I’m past bored … Continue reading
Posted in Conference
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Why Scrum?
Why not scrum? Until about January, our shop had been significantly process-encumbered. Where we could, those of us who cared implemented small strategies for improvement—preaching code readability, meticulous source control, building as if your code will still be in use … Continue reading
Posted in agile
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Blowing Off the Blog Dust
Funny thing about using Scrum at work: there was suddenly a lot more work at work. Fun and consuming work. So I stepped out of the blogosphere and began to live in my IDE. Three changes bring me back: I’ve … Continue reading
Posted in Uncategorized
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