Devoxx 2012
This year was a completely new experience for me. I’ve been visiting devoxx (and javapolis before) since I was a student. I know I skipped one year since then and that’s probably...
Tag: java
unable to find valid certification path to requested target
This was the complete exception I encountered trying to post data to a https connection. javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target I...
Making Windows find JARs like it finds EXEs and CMDs
via Java.net door mkarg op 29-12-10 After more than a decade in the Java universe, today I had just enough of remembering where my executable JARs are located and typing all the...
GWT Presentation
This is a GWT introduction I presented at a community event of my employer Ausy/DataFlow Consultancy. Many thanks for the opportunity and I’m looking forward to the next session. Download the presentation...
Devoxx 2010
I know for sure I was there. Can’t remember a lot though… Will check my notes and get back to this post soon.
JavaBean properties: uppercase vs lowercase
In general JavaBean properties can be accessed by the getter method without the get and the first letter in lowercase. For instance: public class SomeClass { private String test; public String getTest(){return...
Devoxx 2009
I skipped 2008 so I can’t compare with that. This year was a lot about annotations and how they make xml files redundant. In JSF 2.0 for instance the faces-config.xml is optional....
a great UML overview of design patterns
Link to the pdf: http://www.mcdonaldland.info/files/designpatterns/designpatternscard.pdf And a messed up image:
UML document templates
Some frequently used UML document templates: a zip with example documents Software Requirements Specification Template Vision and Scope Document Template Use Case Template Original source : http://www.processimpact.com/goodies.shtml
Java multiple inheritance
shown by example: We need multiple inheritance when developing the Web client that talks to the message server. Our Web client is a simple servlet used to get the message from a...