How to use JDK 1.8u45 in travis or "cannot find symbol" while building Java 1.8u45
While building one of my repositories with Shippable, I got the following error: [ERROR] COMPILATION ERROR : [INFO] ---------------------------------------...
Lessons Learned in June 2015
Here’s what I’ve learned in June 2015: Learned how to compare a fork with another fork on Github. In the repository view, click the green Button near the...
Could not open PerfMemory - Local Java applications cannot be monitored
Today I encountered a strange error opening both Java Mission Control and VisualVM: “Could not open PerfMemory” and “Local Java applications cannot be monit...
Free Java 8 Course Material
Last week, I gave a Java 8 course for some colleagues. All the explanations, examples and code samples of that course are available at Github. Feel free to ...
Lessons Learned in May 2015
The other day I listened to episode 17 of the Full Stack Radio, which was about conferences and how to get the most out of them. Apparently, a lot of speak...
Why continuous Delivery is important
Some software development topics are controversial because they don’t seem to have real benefit or the costs are too high. In my experience, one of those to...
Definition of Done
Some people call me pedantic because I seem to have a checklist for almost everything. I like that because it’s true. :) Today, I want to share my Definition...
How to Analyze Dependencies of Relational Data with Jailer
The other day, I tried to delete a couple of records from our database. Not a hard task you may think and I would agree with you. However, this database tab...
Care About the Business of Your Customer
Yesterday, I ended my subscription of the magazine “Auto Motor Sport”, one of the big German journals about automotive and racing sports. I will continue rea...