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Field notes from four decades of building systems that scale.

Architecture, machine intelligence, engineering leadership — written for technical leaders who'd rather build than speculate.

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MAR 04 · 2011

Integrating a Spring Roo based Vaadin Form in Magnolia CMS

Now that Magnolia-CMS (http://www.magnolia-cms.com ) is switching to Vaadin for the Administration Screens, I have decided to try and integrate a Spring Roo generated Vaadin Form as a paragraph in a Magnolia Page.

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FEB 11 · 2011

Adding a new Theme to a Spring Roo Project

Yes it would be good idea for a simple addon, but until someone (or myself) get around to writing one, here is the solution for the impatient:

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JAN 27 · 2011

How to Classify Tweets with Google’s Prediction API

Ok, I know this should be easy, but I just wanted to try it out as a first step.  So my goal was to classify some tweets with Google’s Prediction API. Luckily they have a sample...

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JAN 27 · 2011

The Top 10 Google API’s & Developer Tools to watch in 2011

Thanks to @frischkopp I just saw the periodic table of Google APIs & Developer Products. http://code.google.com/more/table/ So I thought you’d like to see my Top 10 List of the ones I am excited about or plan...

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java · JAN 19 · 2011

Spring Roo with Vaadin and the Experimental Visual Editor

I just read about how to get the experimental Vaadin Visual Editor running, so I had to try it with a Roo project. This is what it looked like with the Roo Vote sample app:

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DEC 30 · 2010

Date Range Parameters in Jasper Reports with SQL Server

Ok, to some this might be obvious but I just spent about 4 hours trying to figure out how to use parameters to select a date range in a Jasper Report report based on a JDBC...

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mockup · DEC 08 · 2010

Show Me, Don’t Tell Me – why to sketch and wireframe

A Blog that I like to read – The ZURBlog just posted a great article on using sketches for mockups and wireframing.

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facebook · DEC 07 · 2010

How to setup a Java Facebook Application

First I discovered that there was an open source, Java based, Facebook Application which includes samples of the following:

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DbUnit · DEC 07 · 2010

Database Migration with Liquibase and DbUnit

Today I needed to migrate a MySQL database to Oracle - with a repeatable process, as the project is currently in a development phase. I already knew that I could use DbUnit to migrate the data,...

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database · NOV 21 · 2010

Installing JDBC Drivers in Spring Roo 1.1

I found this tip for installing JDBC drivers for Spring Roo 1.1:

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