It’s been a while now since the first specifications of JSTL. Since then it emerged as a standard for the presentation layer in web applications, replacing the ugly scriptlets with nice looking tags that resembles the HTML or XML markup. JSTL provides tags for typical presentation layer tasks, such as iterations, conditional content, data formatting, XML manipulation and database access, and its expression language makes working with dynamic attribute values a lot easier.
Some time ago I switched my development environment to MacOS. This means I used it intensively and tried to discover all those nice usability things Mac is well known for and if no trick available, try to emulate the little things that made my life easier on Windows.
IntelliJ’s Idea 6.0 Beta is out and available free for evaluation. The most expected features were GWT support, TeamCity integration, UI designer enhancements, and productivity/editing features. I have not tried (yet) UI and team integration but here are some things that caught my eye. Built-in Code coverage support – Programmers love improving their code and what better way to do… Read More
I’ve been looking around for a freeware, not-so-sophisticated HTML visual editor. Tried out a few popular Tucows downloads and found everything I needed in PageBreeze. Free for non-commercial use, it has a drag-and-drop form design with an easy preview within the application.
After some years of Hibernate or Spring+Hibernate, it was time to try something new. Not for the sake of trying something new, but more out of the need. The problem Think of a legacy database, very generic, without a clear business model representation. As a metadata storage database, different business objects persisted in the same data structures. The solution Navigating… Read More
The new collection of ant tasks from http://ant-contrib.sourceforge.net/ comes with some useful and interesting tasks, that one will find handy when making a build file: Among those tasks the following ones helped me a lot : Variable: osfamily antcallback AntCallBack is identical to the standard ‘antcall’ task, except that it allows properties set in the called target to be available… Read More
The problem: Import a large number of items into a database, commit valid ones, and keep track of invalid ones. All in a single transaction. Traditional solution: Tedious to write. Programatically start a transaction and set a savepoint for each processed item. Rollback to savepoint if an exception occurs or commits if all ok. Spring solution: Easy, just modifying the… Read More
It seems that for Firefox, the style overflow hidden stops firing onmousemove or onmouseover events. Not sure if there is any standard for this behavior and if Firefox implements it or not. My guess is that there’s probably no standard, or if it is, it should be changed. Take a look at this small demo.