Developed by Microsoft’s Research in Software Engineering, Code Contracts provide a way to convey code assumptions in your .NET applications. They can take the form of preconditions, postconditions, and state invariants. In C# Code Contracts Succinctly, author Dirk Strauss demonstrates how to use Code Contracts to validate logical correctness in code, how they can be integrated with abstract classes and interfaces, and even how they can be used to make writing documentation less painful.

AutoMapper and the Static Class Debate 

This series of articles show "how" to achieve architecture with decoupled infrastructure concerns so that the end solution is simple to follow and maintain. 

Design Patterns and Anti-Patterns, Love and Hate 

 Design patterns represent the best practices used by experienced object-oriented software developers. Design patterns are solutions to general problems that software developers faced during software development. These solutions were obtained by trial and error by numerous software developers over quite a substantial period of time. 

Removing the static API from AutoMapper