Author: Lucas Jellema
Yesterday we – that is: this AMIS Technology Weblog – had our 500,000th post-read. Over half a million times, someone has read one of our articles! The AMIS Technology …
My two previous posts discussed presenting data in a tree-like fashion and filtering hierarchical data sets on certain query conditions while still returning a tree-like result set. This post …
Hierarchical queries return data in a tree like structure. The query is performed by walking the tree that is made up of parents and children, each non-root-node linked to …
Developed by Francois Degrelle, this is a great enhancement for any Oracle Forms 9i or 10g application: a simple to install plugin that allows users to resize columns in …
Recently I have had several occasions where I had to implement a List of Values, allowing the users to select a value from a large set of reference values. …
Just noticed the Windows download of the Oracle 10g Release 2 database (lagging the Linux release by almost a month!). And: it is still a developer preview, not even …
I was triggered by the news item on OC4J on OTN’s homepage, ” Download Oracle Application Server 10g (10.1.3) Developer Preview 4 – including … Oracle Rules” to resume …
NL-JUG J-Fall 2005 Call For Papers Deadline: august 31, 2005 On October 12th 2005 the J-Fall, the fall-conference of the NL-JUG will be organized. The theme of this conference …
AMIS is participating in the Oracle Warehouse Builder Paris Release Beta program. Unfortunately I have not had too much time for in depth involvement myself. However, from what I …
It is getting harder and harder to keep track of all the books coming into and going out of our library. The shelves never get full as all new …
It has always been a bit of a tricky discussion, when to use a group of Radio Buttons and when to use a Select (List) in an HTML Form. …
Oracle just released (or at least I just saw) the availability of the Oracle 10gR2 database, for Linux. I assume that in a few days time we will also …
It was over more than a week ago. But I am still processing all I have heard and seen at ODTUG 2005, the Oracle Development Tools User Group conference …
With last week’s workshop on the ADF Binding Framework (with 13 AMIS Java developers) and next week’s three day workshop on JHeadstart and the Knowledge Center session on Oracle …
With last week’s workshop on the ADF Binding Framework and next week’s three day workshop on JHeadstart and the Knowledge Center session on Oracle Reports (5th July), there comes …
Yesterday (Thursday) we had our six-weekly get-to-together for the Web & Java Knowledge Center. This time the focus was the Spring Framework. Aino and Lucas presented on their findings …
One of the important threads through the entire ODTUG 2005 Conference last week was the future of JDeveloper and Oracle’s position in the Java/J2EE Arena in general. It turns …
I do not understand Oracle’s strategy with regard to Oracle Forms. If such a thing really exists. Oracle has made it very clear that Development Tools are only considered …
Arup Nanda writes about new features for the upcoming Oracle 10gR2 release, targeted at the end of June 2005. In this article, he discussues new SQL and PL/SQL features. …
Today Alex and I did our “Oracle Quiz on SQL and PL/SQL Quiz – See Water Burning” presentation. We wanted to demonstrate a number of new and old features …
ODTUG 2005 is under way. 600 Oracle Developers, users of Oracle Forms and Designer, JDeveloper and Portal, Discoverer and Reports and many other Oracle technologies, have gathered in the …
The show is back in town, and so am I. Precisely one year a go, the ODTUG crowd assembled in Scottsdale, Arizona. This year we all flocked to New …
Spring AOP offers a wealth of new options in programming as well as designing Java applications. A somewhat more advanced feature is the Hot Swappable Target Source. The concept …
Het is zondagochtend 4.30 uur (lokale tijd – in Nederland is het 11.30). Zojuist heb ik ontdekt dat het hotel wireless internet toegang aanbiedt. Ik lig nu in bed, …
Aspect Oriented Programming is one of the hypes in Java programming. Through AOP, we can program the functionality for a Class in more ways than just by writing the …
I finally got round to describing a trick that I have implemented more than one year ago. It happened to come up during last week’s Spring workshop, so I …
Just read the post Executing Oracle PL/SQL from Ant on how to use Ant for executing PL/SQL tasks, such as creating Packages and Stored Procedures. I have used Ant …
Friday I attended the last day of the Spring Workshop. An interesting menu for today’s dinner: Aspect Oriented Programming, JMX support and Remoting. Friday, the last day of the …
Inspired by Aino’s post AJAX and RIA, I wanted to get my first XMLHttpRequest object based AJAX example getting up and running. It is a standalone HTML page that …
During the Spring Workshop, Rod Johnson started a brief discussion on how to find out in a Java Class who invoked the method currently being executed. The best trick: …
Quoting straight from The Server Side: Struts-Layout is a tag library for Struts which provides skinnable tags that display panels, input fields, form modes,tables, pagers, treeviews, sortable lists, popups, …
Rod Johnson took over from Alef again to talk about the Spring DAO module, Spring’s support for leading persistence frameworks. Spring takes over a lot of configuration details for …
Today I attended the second day of the Spring Workshop by Rod Johnson and Alef Arendsen, two of the core team of the Spring Framework. Having been thoroughly lectured …
If there is one wave (or hype if you like) flooding the Java/J2EE arena right now – well, there is JSF and EJB 3.0 and AJAX and Java 5 …
What seems like a very interesting presentation from the tech lead for JSF: TheServerSide Java Symposium 2005. The description: The need for a common API for Java-based web application …
Yesterday, Thursday May 26th, AMIS organized another of its AMIS Queries. These sessions usually bring together a substantial number of top Oracle & Java Developers from The Netherlands. This …
The whole hype around AJAX (Asynchronous JavaScript And XML) for background client-server communication from JavaScript in HTML pages is very interesting. It allows for much more responsive, interactive and …
Oracle announces a preview release of Oracle Drive. A Windows WebDAV interface on steroids, Oracle Drive combines and surfaces features from both the Windows file system and the Oracle …
One of the long-standing challenges of application development – in any technology – is the Matrix Form: an updateable grid-like structure of rows, columns and cells. In this post …
Just published on the DevShed, an article – excerpt from “Beginning JSP 2 – From Novice to Professional” published by Apress (2004) – on using JSTL for implementing conditional …