Monthly Archives: March 2016

The Leprechaun Trap

A few years ago and on occasion of St. Patrick’s Day, my daughter built a leprechaun trap. She wrapped a shoe box in shiny green paper and cut a slot through it, decorated it with a border with jingle bells, added … Continue reading

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Observations on Observer

My first encounter with the Observer design pattern was circa 1998.  The GoF book was still new–published in 1994–and the community was still assimilating design patterns. Java  the Hot* even offered an Observer interface and an Observable class. What could be simpler? However, I’ve used Observer … Continue reading

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