Christopher Koch convinces you, as a businessman why you should worry about the other monopoly. Operating Systems are not part of the businesses, they are just tools. What is part of a business though is where you implement your business processes, like an ERP. [Continue]
Stable Abstractions Principle (SAP) can be considered to be a corollary of the Stable Dependencies Principle (SDP), which said that packages should depend only on more stable packages. The stability metrics showed that packages were instable if its classes depended on classes in another package. Applying the class design principles, especially the Dependency Inversion Principle (DIP), flexibility is built into a design by introducing abstract classes. [Continue]