Archive for the ‘ Software Development ’ Category

CA Launches State-of-the-Art Technology Center in Hyderabad, India

CA President and CEO John Swainson Cuts Ribbon at US$30 Million ITC Campus. read more | digg story [ READ MORE ]

Prototype based development approach

 In my experience, usually as a developer you will never get clear cut project requirements, to an extent that there are no considerable requirements at all. Traditional approach is usually following waterfall model where requirements are captured upfront. Most of the time these requirements are not complete or adequate enough, which later results in extra [ READ MORE ]

Template based Factory Method

Factory method pattern is similar to Abstract factory, the major difference being that the former requires sub-classing to create the product objects where as the later does not require. There may be a problem scenario with Factory Method, as having a sub-class for each product may not be desirable. This may be over come by [ READ MORE ]

Killing a singleton

I am reading “Pattern Hatching” by John Vlissides (http://www.research.ibm.com/designpatterns/pubs/ph-jun96.txt). I have come across the Singleton Pattern. The way to use a SingletonDestroyer (SD) class to “KILL a Singleton instance” is interesting. In John’s approach, destructor is made protected so that the user is not allowed to delete the singleton instance explicitly, also as said Singleton class [ READ MORE ]

Singletonitis

My colleagues say that I am infected from “Singletonitis”. It is an addiction to Singleton pattern. Singleton pattern allows only a single instance of a class with a global access. Now my addiction is not on its over use in code, but because of lot of preaching to my team mates about singletons… It [ READ MORE ]


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