Sunday, November 28, 2010

Port@l 3.0 en la LSWC

Sé que voy con un poco de retraso, pero más vale tarde que nunca. Sólo comentar que el pasado 27 de octubre participé en mesa redonda "Soluciones Web Avanzadas" dentro de la Libre Software World Conference, con una breve presentación sobre Port@l 3.0. Podéis encontrar la presentación aquí embebida y en el siguiente enlace.

Tuesday, July 6, 2010

New Home...

... for this blog (sort of) and my common Java libraries.

Some months ago I bought the domain and started a new incarnation of my common Java libraries, now called derquinse-commons, hosted on Google Code, and based on Google's guava-libraries.

But is hasn't been until recently that I have configured this blog to use the new domain, and performed the first releases (in plural, as the different subprojects are now released independently), which may be found in the Maven Repository (that, as of now, will not be synchronized with Central as there are dependencies that are not part of it). Right now, I've released:

Besides some common POMs. The collections module will be next, with Hierarchy and friends.

Stay tuned.

Thursday, May 6, 2010

El Androide Libre sortea un Nexus One

Pues lo dicho, el blog en español dedicado a Android El Androide Libre sortea un Nexus One. Podeis encontrar las bases en el siguiente post.

Saturday, April 17, 2010

Monday, January 25, 2010

Trees in Relational Databases

The presentation below by Lorenzo Alberton is one of the best references I've seen on how to model a tree in a relational database:

It is perfectly known that relational databases are not the best repository for tree-like (or even graph-like) data structures, but there are many times that you have no other chance, so it's good to know your options.