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Derek Comartin

Open/Closed Principle Violation

Before I post too many SOLID principle posts, let me prefix by saying that I strongly believing that following SOLID principles as guidelines will lead to writing better Object Oriented code. Back to Open/Close Principle… Software entities like classes, modules and functions should be open for extension but closed for modifications. Out of all the SOLID principles, I’ve found this one to causes the most confusion and is the hardest to identify for developers.  When following any of the SOLID principles, they all have a bit of cross over that help you identify when violating one of them.  Violating Open/Close… Read More »Open/Closed Principle Violation

Leaders in Big Data

Charles Fan from VMWare makes an interesting note regarding CRAP data. Data is mostly event driven and not CRUD’y anymore.

Reality of fixed price & fixed scope

Fixed price, fixed scope development contracts are still a very relevant and are not likely going away.  Clients want a to know how much they are going to spend and exactly what they are going to get.  The reality is, iterative development was created because they don’t know (entirely) what they want up front. Waterfall is still primarily used, however the reality is, it’s more of a business decision than a development decision. Same old story… We spend a great deal of time up front gathering business requirements and attempt to create a specification of our interpretations of those requirements. … Read More »Reality of fixed price & fixed scope