Scaling Java EE Applications

In this article, Wang Yu takes real world cases as examples to explain ways on how to scale Java applications based on his experiences on the laboratory projects, and at the same time, bring together practice, science, algorithms, frameworks, and experience on failed projects, to help readers on building high scalable Java applications.

BI Server & MS Active Directory in 10 minutes

During Pentaho presentation a lot of people ask me "how to  connect Pentaho to MS Active Directory for user authentication/authorization".
So searching on the web I found this very helpfull Sergio Ramazzina post
Rinaldo

Is there an alternative to PDF Creator in ubuntu?

The answer is yes.
Just install the package cups-pdf and configure the new virtual printer.

sudo aptitude install cups-pdf

Go to System Menu > Printers

1. Choose New Printer;
2. In the dialog box will appear virtual Generic CUPS-PDF Printer, select it;
3. Continue forward and give a name to the the new printer  (Print-PDF will be fine);
4. Print test page .

All the printed pdf will be saved in the folder named PDF in your home folder.

Rinaldo

OpenERP Technical Memento v0.6.3

OpenERP Technical Memento v0.6.3 released

Changelog: 

[ v0.6.3 - 2010/03/22 ]
* Added mention of __openerp__.py for v5.2
* Corrected OSV generic accessor example
* Improved ORM usage example: indentation, osv name
  and use of context
* Corrected '--relaxng' argument in tip about grammar
* Corrected tree/list example to include state field
  for colors
* Added default value for day_length in calendar view
* Minor typos and formatting

Weka 3: Data Mining Software in Java

Weka is a collection of machine learning algorithms for data mining tasks. The algorithms can either be applied directly to a dataset or called from your own Java code. Weka contains tools for data pre-processing, classification, regression, clustering, association rules, and visualization. It is also well-suited for developing new machine learning schemes.