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A complete AJAX example

June 16, 2011 Koen Leave a comment

There are several third party libraries that simplify the programming that is needed to make your web pages communicate with…

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Posted in: HTML, Javascript, JSP Filed under: HTML, Java, Javascript, JSP

Java Programming Tips

June 14, 2011 Koen Leave a comment

Tip #1 – Avoid NullPointerException situations When comparing strings against specific values in Java, you can easily avoid the java.lang.NullPointerException…

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Posted in: Java Filed under: Java

Order of predicates in WHERE clause

June 10, 2011 Koen Leave a comment

It is often assumed that the order of the predicates in the WHERE clause of an Oracle SELECT statement does…

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Posted in: Database, Oracle, SQL Filed under: Database, Oracle, SQL

Regular Expressions in Oracle

Koen Leave a comment

Regular Expressions (RE) are a powerful feature in Oracle. I have found them to be most useful for situations where…

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Posted in: Database, Oracle, Regular Expression, SQL Filed under: Database, Oracle, Regular Expression, SQL

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