Job Schedulers - UNIX
Author :
Monish
Date : Fri Feb 5th, 2010
We might have worked on various Job Scheduling Frameworks, one of the famous one that comes to our mind is Quartz. Yes quartz is a cool frameworks which has advanced error handling, job scheduling and various other great feature. Recently while trying to create a scheduling task for a task in UNIX I decided to check out the inbuilt job scheduling component
java.lang.OutOfMemoryError: PermGen space
Author :
Monish
Date : Sun Jan 31st, 2010
Permgen Space is the space where the class files are all loaded for the first time and there after they are loaded or referenced from there. This error means there is a hell lot of duplicate classes being loaded and not all are being unloaded.
java.lang.OutOfMemoryError: Java heap space
Author :
Monish
Date : Sat Jan 30th, 2010
What does it means - Means there is a hell lot of objects being created and not all are being marked for GC. These stray objects are cluttering the heap space and resulting in this error. This is basically a memory leak.
My Young Vertor Experience
Author :
JavaBeat
Date : Mon Oct 26th, 2009
It was all of a sudden that Vertor descended upon my life and, as it turned out later, much to my relief and enjoyment. Since my schooldays, I had become a kind of IT geek,
Java Vs. JavaScript
Author :
JavaBeat
Date : Thu Sep 17th, 2009
Java or JavaScript? Which should you learn? Which should you use? These two may seem similar, but there are some very key differences between the two programming languages. A quick look at what makes them similar and what sets them apart may help you decide which one is right for you.
GWT user interface components
Author :
Deepak
Date : Mon Mar 30th, 2009
A GWT module needs a HTML host page to run. The HTML page includes the GWT project through the script tag. In the HTML page we do not add any HTML code ourselves. It is the responsibility of the developer to programmatically include content into the HTML page through GWT. Lets look at a sample HTML host page :
GWT installation and creating a GWT Project
Author :
Deepak
Date : Sun Mar 29th, 2009
To develop programs using the GWT we need to first download it from here : GWT download. Once you have it installed the next step would be to update the PATH environmental variable. For example if you have installed GWT in you C: drive as C:\gwt-windows-1.5.3 then append this path to the end of the PATH variable. Once this is done you are ready to create GWT projects.
XML Schema Elements - Part2
Author :
Deepak
Date : Wed Mar 25th, 2009
Complex elements are those which contain other elements as children or these elements have attributes. Empty elements and elements containing only text are also considered complex. The following is an examples of complex element
XML Schema Elements
Author :
Deepak
Date : Sat Mar 21st, 2009
XML schema is a language for describing the contents and structure of a XML document. It basically creates a blue print of the actual XML document by describing everything about the elements which can appear in the document. By creating a XML schema we make the XML document conform to the rules defined in the XML schema. It essentially says that the XML document cant break the rules defined in the XML schema document.
XForms
Author :
Deepak
Date : Sat Mar 21st, 2009
Forms in HTML are used to group other HTML controls together. A user basically interacts with a system through these input controls placed inside a form.
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