In this post I’ll show how to use the ExecutorService of the java.concurrent package, in order to start as many inkscape shells as processors available on the current machine and to distribute a whole bunch of conversion tasks wisely on the cores. On my quad core I got a speedup of about 3.5, which is really near to 4.
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Concurrent conversion of SVG to formats like PNG, EPS or PDF
November 5, 2011 — jonnyReversed Scrolling in Ubuntu
September 4, 2011 — jonnyIf you have installed ‘xmodmap’ you may add the following command in order to have reversed scrolling experience like in OS X Lion:
echo "pointer = 1 2 3 5 4 6 7 8 9 10 11 12" >> ~/.Xmodmap
The next time you start ubuntu gnome desktop it will ask you, whether it should load the xmodmap (you should add the .Xmodmap file). There you go.
Unit Test Your Persistence Layer
April 3, 2011 — jonnyThis post is an addition to the post Unit Test Your DB Schema and Named Queries. It shows how to use the TestNG Annotations in order to simulate a lightweight EJB container enabling you to test your persistence layer (DAO, entity classes and similar). If you are using JBoss 6 you may use the embedded EB container. EJB3Unit supports testing Enterprise Beans, too. But I couldn’t get the latter to run smoothly and I do not use the former, yet. So if you are still tied to the old Java EE 5 world you might benefit form this solution.
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Script for comparing working copies
March 12, 2010 — jonnysvn diff compares repository URLs only. So, if you reintegrated a branch to the working copy of your trunk or synchronized the trunk to the working copy of your branch, you will have a problem. This little script helps you to compare two working copies.
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