Auxiliary point, "TDD" drives me a little crazy, because it is a particular methodology of programming that doesn't work for all projects.
It's very important to stress that. I don't think there are a lot of practices and methodologies that work for every project. Every project is different. They use different languages, frameworks and libraries. There are really big and very small projects. From a few hundred lines of code, to millions.
I said it before and I will say it again: Use the right tool (or framework or methodology) for the right job. Don't be dogmatic.
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It's very important to stress that. I don't think there are a lot of practices and methodologies that work for every project. Every project is different. They use different languages, frameworks and libraries. There are really big and very small projects. From a few hundred lines of code, to millions.
I said it before and I will say it again: Use the right tool (or framework or methodology) for the right job. Don't be dogmatic.