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lifemichael's Blog

Sencha Touch Jump Start

Posted by lifemichael on September 18, 2011 at 10:50 PM PDT

The PHP Cross Platform Web Applications course I teach in HIT coveres some of the newest web technologies. The next meeting covers Sencha Touch.

Java Script Exceptions Handling

Posted by lifemichael on March 21, 2011 at 2:05 AM PDT

Many web developers are not aware of the Java Script exceptions handling mechanism that allows us to handle excepetions using try and catch blocks, as in other programming languages.

Java Script CSS Manipulation

Posted by lifemichael on March 21, 2011 at 1:44 AM PDT

Many of the famouse Java Script libraries (such as ExtJS, jQuery and Sencha Touch) are based on the possibility to change the CSS of the HTML elements displayed on screen. The following video clips provide more information about this possibility.


Cookies in Java Script

Posted by lifemichael on March 21, 2011 at 1:00 AM PDT

Most web developers are not aware of the possibility to interact with our cookies using code written in Java Script executed within the web browser. This technical possibility is an innovation trigger that leads to new possibilities. The Facebook Java Script SDK is just one example.

Java Script Image Map

Posted by lifemichael on March 21, 2011 at 12:41 AM PDT

The new version of the professional Java Script Programming course I deliver via includes four new topics. One of the new topics is Image Map. We can create images the user can interact with. We can set separated touchable areas and assign each one of them with a URL address or with a specific function in Java Script.

Java Script Debuggers

Posted by lifemichael on March 21, 2011 at 12:21 AM PDT

I have recently completed to update the professional Java Script Programming course I deliver via One of the new added topics is a detailed coverage of the available Java Script debuggers in today most popular web browsers: Firefox, Internet Explorer and Chrome.

Scala IntelliJ Plugin

Posted by lifemichael on March 20, 2011 at 11:37 PM PDT

I have recently started to play around with the IntelliJ Scala plugin. Unlike the Scala plugin for the Eclipse IDE (Gallileo 3.5) I still haven't encountered any bug. You can download this plugin at

The first video clip explain how to develop a simple Scala application using the IntelliJ.

The jQuery Mobile Framework

Posted by lifemichael on February 16, 2011 at 10:26 AM PST

The jQuery Mobile framework allows us to develop high quality cross platform web applications. It can be either a pure web application or an hybrid one. Using this framework is today ultimate option for targeting all mobile platforms using the same code.

Scala Traits and Java Interfaces

Posted by lifemichael on October 16, 2010 at 5:08 PM PDT

It seems that when we develop a trait (that includes both abstract and concrete methods) in Scala and compile it, the outcome includes two jave byte code files. The first includes the definition of an interface with an identical name to the one we gave our trait. The abstract methods that interface includes are the same methods defined in our trait.

Facebook Professional Courses

Posted by lifemichael on October 13, 2010 at 4:52 AM PDT

The Facebook platform has significantly changed during the last year. The three most important changes were the emergence of the Facebook Graph API, the Facebook JavaScript SDK and the Facebook Social Plugins. For each one of these three topics I chose to develop a professional course. These courses are available at