Tag Archives: Java

Slides for My Presentation @ April 2011 JavaMUG on Hadoop

Posted on April 14, 2011 by engfer| Leave a comment
Intro to the Hadoop Stack @ April 2011 JavaMUG  

Also here is the bit.ly link bundle of things to check out from the deck: http://bit.ly/ieCeCm

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Posted in NoSQL

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Equality Testing with Hardcoded Strings

Posted on October 6, 2009 by engfer| Leave a comment

If you are going to use a String equality comparison that involves a hardcoded string, you might as well save yourself from some NullPointerExceptions and the extra null pointer check, put the hardcoded string as the method call-e instead of the parameter.

Instead of:

if ( foo.equals( "some static string" ) ){...}

or...

if ( foo != null && foo.equals( "some static string" ) ){...}

use:
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Posted in Java

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Exposing/Accessing JBoss JNDI Objects/Datasources From an External JVM

Posted on August 7, 2008 by engfer| 16 Comments

Problem:

You have some program that needs to access some data sources that are managed by JBoss and accessed via JNDI, but when you start that program, it can’t find that JNDI reference or you get a javax.naming.NoInitialContextException with the message “Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file:  java.naming.factory.initial”

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Posted in How to, Java

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