Blog
Raspberry Pi and JavaFX
Saturday, April 20, 2019
•
raspberry
java
javafx
Oracle provides a java build for ARM, which runs on the raspberry pi. However, this build doesn’t contain
JavaFX like the other java builds for Linux, Windows or MacOS. Luckily, there are prebuild binaries for
JavaFX for ARM, too: Community Builds.
I took the stable build from chriswhocodes.
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Spurious ClassNotFound Exception during maven builds
Sunday, January 13, 2019
•
maven
java
jenkins
I first observed this behavior on our build server running Jenkins. We have two build jobs, building
snapshot versions. Project A and B. Project B depends on A. Always dealing with snapshots. Jenkins ran
the standard mvn clean install
command. Now, when both jobs were running in parallel on Jenkins, sometimes project
B failed during compilation or running unit tests with weird ClassNotFound exceptions. The missing classes were
from project A, of course.
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Alphatronic P2 plays Silent Night
Wednesday, December 26, 2018
•
alphatronic
retro
This more than 30 years old Triumph-Adler Alphatronic P2 is still working. It can also play music. Here
is a video how it plays the song Silent Night. This song is this year
200 years old.
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Getting to run some delphi program with wine under linux
Saturday, May 26, 2018
•
wine
delphi
linux
Maybe you have an Windows program, but you don’t want to start your Windows virtual machine (or boot into Windows)
everytime to use it. There is wine which provides a compatibility layer for Windows
programs so that they can run on Linux and other operating systems.
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Easter date calculations
Sunday, February 18, 2018
•
calendar
algorithm
When you create a calendar, like OOoCalendar, it’s nice, if
the calendar already calculates holidays. One of the holidays, that is every year on a somewhat
different date is Easter. There are many other Christian holidays that depend on the Easter day like
40 days after Easter is Ascension Day.
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