We will be discussion about cross-cutting concerns, what they are and how they affect our code. After that we will discuss about ways to separate these concerns from our classes that have to respect the Single Responsibility Principle.

1. Cross cutting concerns
No subtitle

2. Concerns

3. Cross cutting concerns

4. Logging

5. Validation

6. Error handling

7. Aspect oriented programming

8. Code weaving

9. Mixins

10. The ASP.NET MVC way

11. Reference
AspectJ (where it all started)
Postsharp (code weaving for .Net)
Mixins (Really powerful pattern)

12. Take-aways