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Monthly Archives: September 2010
SQL and simple polymorphism
SQL is about tables and sets. Object-oriented programing is about types, subtypes, and polymorphism. There are nasty, nasty frameworks available to try to move between the two worlds (say, by serializing and deserializing Java objects) — this posting, however, is … Continue reading
Amazon EC2 “micro instances” vs. Google App Engine
A note in my inbox this morning announced that Amazon’s EC2 virtual computer hosting service now supports “micro instances” for $0.02/hour ($0.03/hour if you’re confused enough to want to host a web site using Windows): Instances of this family provide … Continue reading
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