jHolidays project

Some time ago I’ve decided to create a small utility which will be able to create ICal calendar using input file (listing of events, holidays etc). Read the rest of this entry »

Oracle logging table changes

In this post I’ll put a small example of how to create stored procedure for Oracle and log changes in database table

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Abstract Factory + Composite = Composite Factory

Some time ago I’ve faced an interesting challenge. I needed to create library that provided clients with my own types (let’s call them built-in ones). On the other side I needed to allow third-parties to extend my library using their own types.

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