Patterns and Practices -> SharePoint Guidance

A well documented guidance around SharePoint Products and Technologies.
You can read more on the guidance here:
http://msdn.microsoft.com/en-us/library/dd203468.aspx
This guidance discusses the following:
-Architectural decisions about patterns, feature factoring, and packaging.
-Design tradeoffs for common decisions many developers encounter, such as when to use SharePoint lists or a database to store information.
-Implementation examples that are demonstrated in the Training Management application and in the QuickStarts.
-How to design for testability, create unit tests, and run continuous integration.
-How to set up different environments including the development, build, test, staging, and production environments.
-How to manage the application life cycle through development, test, deployment, and upgrading.
-Team-based intranet application development.