SQL Performance
If you have to access persisted data, of course, you do not have to necessarely use SQL. But in case you do, knowing something about SQL-performance helps. I just did…
Big Data and Software Engineering
If you have to access persisted data, of course, you do not have to necessarely use SQL. But in case you do, knowing something about SQL-performance helps. I just did…
Lots of SF movies and futerist though that the future interface of the computer would be voice: talking to your computer like it was a human. Nothing less is true:…
Inspired by an OS that went in oblivion some years ago (BeOS) operating systems as Windows, Linux and MacOS all have ways to monitor directories for changes built into the…
SSD disk are becoming increasingly popular. As they read faster, you might consider running databases such as Oracle DBMS, MySQL or non-sql databases. However, interestingly, originally databases are optimized for…
A lot of websites now provide a way to authenticate yourself via OpenID. That way, you don’t have to remember a separate username and password to login to such a…
Today I working on a application that uses the Wicket framework. I was plagued with the following Exception: WicketMessage: org.apache.wicket.WicketRuntimeException: component myForm:myTable:editor not found on page nl.gerbrand-ict.gui.HomePage[id = 4], listener…
Using the accesskey attribute, you can enable hotkeys for various html input elements. This allows one to get the focus to an input element by using the ALT-key + <CHARACTER>…
Using the ear plugin of Maven 2 creating an ear is very easy. The produced ear follows the JEE spec, so you can normally use it in any application server.I’m…
Just had evening of just trying out stuff and not finishing anything on my Windows machine. I wanted to try out a persistence API for Cassandra. There’s a JPA implementation…
I want to create an installation package of a Java application. Part of the installation involves upgrading a SQL database (Oracle) – by running a few SQL scripts. Creating the…