Days of …

Just another rants and opinions weblog

Category Archives: software

VMWare DHCP service wont’start – SOLVED

I use VMWare to run a bunch of different Linux VMs on my home PC, which is running Vista SP1. Today I encountered strange thing: Linux VM won’t get an IP address from VMWare DHCP. I’ve opened VMWare Virtual Networks management console (as Administrator, of course, or it won’t let you make and save any [...]

JBOSS Seam 2.1.1GA on JBOSS AS 5.0.1GA: Table is not mapped

I created sample JBOSS Seam project in Eclipse and decided to generate entity code from  existing database. It worked fine, but when I try to run it, it shows me that Hibernade is not able to map entity beans to the corresponding tables. The error message is like this: org.hibernate.hql.ast.QuerySyntaxException: <your table> is not mapped [...]

Trying Team Concert build system

After yesterday’s success in installation of Team Concert, I went through the “Do and Learn” tutorial. The amount of new information and, especially, new views in IDE, is overwhelming! Though the tutorial tries its best to guide through sample project, it would take my time to digest the information. So far, I managed to get [...]

Subversion and branching

Excellent article on branching in Subversion. One thing missing is the branch timeline chart. Something like this: Where horisontal line is the trunk timeline and angled lines are releases. Based on my experience, that chart often helps developers to understand when branches are created and how to deal with them.

Ruby on Rails books teach wrong OO

I was reading a lot of Ruby on Rails books in order to start my own project. I found the thing, which really disturbes me: though Ruby is a proper OO language, none of OO desugn features are presented in Rails books. Proper Object Oriented Design should simplify software development by introducing abstraction from unneccessary [...]