Education · Technology

Oracle ADF – How to change Web Application context root from default value in JDeveloper

When you create a Web project, JDeveloper sets the default values for your Java EE Application Name and Context root.¬† It helps to change these to adhere to your organization’s naming standards and create a shorter more meaningful URI. To change your web application context root: 1) Right click on the project and select “Project… Continue reading Oracle ADF – How to change Web Application context root from default value in JDeveloper

Education · Technology

BPEL Deployment Error – Task does not conform to the task definition XML schema definition

When trying to deploy a composite with a BPEL flow, some Business Rules and a Human Task (or two) we ran in errors Invalid task definition. The task definition at CoreModulesDomain/Approve#####t!1.0*soa_6df02ede-80c6-4302-b96d-c9648598713a/ApproveTask does not conform to the task definition XML schema definition. The task definition is associated with workflow CoreModulesDomain/Approve#####!1.0*soa_6df02ede-80c6-4302-b96d-c9648598713a/ApproveTask. The errors are [2]: Element not… Continue reading BPEL Deployment Error – Task does not conform to the task definition XML schema definition

Education · Open Source Software · Technology

Python + MySQL in Ubuntu (9.10)

Assuming you did a fresh install of Karmic Koala – Ubuntu 9.10 Here are the steps: – Install Python: apt-get install python2.6 – Install XAMPP/LAMP stack: sudo tasksel install lamp-server After you install follow the steps on setting up the root password see the notes here . – Install MySQLdb: I tried downloading the sourceforge… Continue reading Python + MySQL in Ubuntu (9.10)

Education · Open Source Hardware · Open Source Software · Technology

Stuff to read

Must read up more on these – download, test, play JGraph – http://www.jgraph.com/mxgraph.html Parallel port interfacing made easy – http://www.epanorama.net/circuits/parallel_output.html Wireless Rabbit Web Server – http://killerprojects.wordpress.com/2010/04/06/wireless-rabbit-web-server-802-11-bg-w-video/#more-53 Introduction to WI-FI, Wireless LAN basics, Wireless Security, Rabbit Wireless doc – http://www.rabbit.com/documentation/docs/manuals/WiFi/Introduction/WiFiIntro.pdf Introduction to ZigBee – http://www.rabbit.com/documentation/docs/manuals/ZigBee/Introduction/ZigBeeIntro.pdf I Make Projects – Wireless Detector¬† (Hooking up a vibe motor… Continue reading Stuff to read

Education · Technology · Uncategorized

Matrix manipulation

When solving Boggle, Sudoku or some n-by-n board game or when doing Image analysis or Parallel Computing – it is often useful to be able to represent one-dimensional data structures in 2-dimension and vice-versa. Simple formulae exists for doing this conversion, as illustrated below: Converting from Row by Col 2-dimensional (2-index) format to a 1-by-(Row*Col)… Continue reading Matrix manipulation