Author: Lucas Jellema
In a previous article, I discussed Dependency Injection (aka Inversion of Control and the Hollywood principle) and more specifically an implementation of Dependency Injection in PL/SQL. In that we …
These days I am working on a series of articles discussing Design Patterns and their implementation in PL/SQL. In previous articles, I have discussed Aspect Oriented Programming and Dependency …
J2EE contains a plethora of API definitions. From the Servlet API to the EJB API, from JMX to JMS. One of the APIs that I have had very little …
Frequently our code has dependencies. Some are intrinsic dependencies, like the packages we need to invoke and the type definitions we rely on. Other dependencies are more like configuration …
One of the hottest topics in Java programming right now is probably Aspect Oriented Programming. Made popular by frameworks such as AspectJ and Spring, AOP refers to a new …
In a previous article, Introduction to Blackbox testing of Web Applications using Selenium I have introduced Selenium, a framework for Web Application testing – any HTML/JavaScript Web Application, regardless …
After my visit tot JavaPolis, in December 2005, I wrote a brief article on Selenium, a tool for testing Web Applications. For one of our internal Knowledge Center Sessions …
While I was reviewing today’s statistics of our weblog, I noticed a referrer in our top 10 that had guided 24 readers to one of our articles. I …
This article is the sequel to EJB 3.0 Persistence – Introducing EJBQL 3.0, an introduction to EJB QL from an historical, strategic and functional perspective. In this post I …
Last week, release 4.0 of JUnit was published. You may have seen some of the announcements. The JUnit homepage (http://www.junit.org/index.htm)does not reflect this fact at the time of writing, …
For one of our Java projects, I wanted to help a colleague getting started with unit testing. Due to high time pressure, there was a real risk that – …
One of my colleagues needed a simple report on the Entities with their Attributes as defined in an Oracle Designer Repository. Having spent far too much time in the …
For me it was a new phenomenon: JavaBlackBelt (http://javablackbelt.com/jbb/). A site where you take exams in several different Java related categories, such as J2SE, Ant, OO, JasperReports, Spring, XML, …
Yesterday we had another of our AMIS Query sessions – for technical specialists from AMIS, our business relations and even our collpetitors in the Dutch marketplace. Some 30 people …
It was a rumour – actually one of three: JBoss, SleepyCat and Zend PHP, see our article Is Oracle buying JBoss? Or Zend PHP? Or SleepyCat? Or all of …
This article Oracle’s Open-Source Shopping Spree in Business Week Online suggests that Oracle is involved in serious discussions with JBoss, Zend and SleepyCat about a take over – for …
EJB 3.0 Persistence is a topic that is high on our list. We have written a substantial number of blog articles on it after doing quite some research as …
Gisteren, donderdag 9 februari, hadden we een uitstekende bijeenkomst rondom EJB 3.0 Persistence API. Met z’n 16-en – waarvan twee geïnteresseerde externen – hebben we in goed drie uur …
This article describes a quick route to starting out with the relatively new EJB 3.0 Persistence API from the Eclipse 3.1 IDE. In a subsequent article, I will discuss …
On Saturday I was shocked to read the announcement in the newspaper of the death of Lex de Haan. Even though, after the earlier reports on his physical condition, …
Steven Feuerstein and his team bring the world a new gift: Qute – the Quick Unit Test Engine. Steven says: “Qute is the Quick Unit Test Engine. It is …
This is the fourth installment in a series of four on the concept of Post Loading Resources into an HTML document after the document itself has been loaded. Using …
Yesterday, Oracle’s President Charles Philips announced that Oracle’s acquisition of Siebel is completed and Oracle and Siebel are now operating as one. One of the comments in the official …
AJAX opens up a lot of possibilities – that in truth by and large already existed pre-AJAX. In a series of articles, I am discussing the concept of post …
In a previous article – Ajax-based Post Loading of resources in HTML pages – for reuse of resources and fast user feedback – I have introduced the concept of …
It has finally happened: JDeveloper 10.1.3 has been released. No news headlines on the OTN frontpage yet, but to be found on the JDeveloper download page: That went …
This article discusses a generic method for Post Loading Resources in HTML pages. What do I mean by that? Just as your browser will fire additional requests, to potentially …
This article came about as a result of the questions asked by Victor Bax with regard to an earlier post: Oracle Designer – Script for verifying the privileges assigned …
SOA, WebService and web service, WSDL, UDDI, BPEL and WSIF, Axis, SOAP, JAVA-RPC etc. etc. If Google has not found this blog by now… Seriously, these are all hot …
Service Oriented Architecture is the Architecture Design Pattern of today. Using standard WebService interfaces for functionality published by legacy applications to external consumers, we can easily reuse such functionality …
While investigating the relatively new EJB 3.0 Persistence API, I came under the impression that the specification does not cater for Stored Procedures. In general, there seem to be …
Creating pretty graphics – or any meaningful graphics at all – in web applications is an important issue. Visual information as well as illustration makes applications more appealing and …
It seems to be awards day or so. On Syscon (Australia) I found the announcement of the JDJ Reader’s Awards. It is interesting, because of the fairly literate and …
Just noticed on The Server Side an announcement regarding the "Developer.com Product of the Year 2006 Winners". As you can see for yourself, JSF (Java Server Faces), Ant, Eclipse …
While working on Rich HTML clients that could retrieve information from various sources on different web-servers using multiple AJAX requests, I came across the AJAXSLT project from Google Code. …
AJAX is hot, great and will make the world a better place. We all know that. However, AJAX has some limitations. AJAX is about making additional HttpRequests from the …
We have been using JIRA for our Incident Management the last six months or so, and one of the UI features in JIRA that suddenly struck me as being …
EJB 3.0 Persistence is hot and coming. The fact that persistence is handled the same way, in and outside the EJB container, for Web Applications, Java Client applications and …
EJB QL or Enterprise Java Beans Query Language has been introduced in the EJB 2.0 Specification, back in 2001. For some reason, it never grew on me. I did …
After having tried the tree2 component from the MyFaces Tomahawk library – see: Apache MyFaces (open source JSF implementation) – Using the Tree2 Component with JDeveloper 10.1.3 -, I …
![Quick Query to report on Entities and Attributes in Oracle Designer]({"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"http:\/\/seattletimes.nwsource.com\/ABPub\/2012\/08\/02\/2018836700.jpg","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"} "Quick Query to report on Entities and Attributes in Oracle Designer")