Månadsarkiv: oktober 2012

JPA/Hibernate @OneToMany collections incompletely populated

Yesterday I tracked down a strange bug in our entity classes, which are based on JPA and are used in an environment with Hibernate as persistence provider. I had some very basic classes that looked something like the following: @Entity

Publicerad i Uncategorized

Hacking Raspberry Pi!

During the weekend a couple of us were at the foss hacker day. It was an open source event where you really could hack on anything related to open source and embedded systems. Between the hacking there was also a

Publicerad i Linux

Lucene, a state-of-the-art search engine

A couple of years ago I worked at a company primarily concerned with information brokering. We developed a system to fetch addresses of companies given a set of selection criterias e.g geographic location, number of employees etc. The system used

Publicerad i Java

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