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Dependency Inversion Principle in the Wild

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There's a brand new article on the Dependency Inversion Principle, a technique defined by Bob Martin in 1994, on Martin Fowler's blog.  Here's the introduction and index:

The Dependency Inversion Principle (DIP) has been around since the early '90s, even so it seems easy to forget in the middle of solving a problem. After a few definitions, I'll present a number of applications of the DIP I've personally used on real projects so you'll have some examples from which to form your own conclusions.

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Brett is a generalist striving to get the basics right. He's always on the lookout for new interpretations of simple ideas. He currently works for ThoughtWorks as a Principal consultant and lately has been helping a team with an agile transition while assisting in PM, PO, QA, and BA roles as well as working with the C level in the organization, but is recently switching back to a plain old tech. lead.

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