Invisible to the eye

Jebb wrote to me asking information about the Repository pattern: I read your blog at http://giorgiosironi.blogspot. com/ and I found it v...

This post is the second one in the behavioral patterns part of the Practical Php Pattern series . The behavioral pattern we will discuss ...

Some readers have been confused by the terms I use often in reference to Object relational mappers , so I want to describe some concepts of ...

Probably during your career you have heard the term impedance mismatch , which is commonly referred to the problems that arise in converting...

Saturday is becoming the 'questions day of week', since it is not the first time that after a week of work some readers email me t...

Every once in a while, in a post, I say: The Domain Model should not depend on anything else; it is the core of an application. Classes sh...

Applying Domain-Driven Design and Patterns: With Examples in C# and .NET is a book from Jimmy Nilsson which shows you how to begin applying ...

An Orm is a complex and generic tool which stores objects such as Entities and Value Objects (Customer, Groups, Money classes) in a relatio...

Lazy loading is the capability of performing a expensive operation on demand, only when it reveals necessary from a client request: in the O...