Background This article demonstrates how to create an MD5 checksums for jar files using Ant. This is useful to verify if correct jar files have been used to deploy in some environment by other team, e.g., SQA. [wp_ad_camp_1] Software Environment
How to programmatically add elements to a value node in Web Dynpro for Java
Background [wp_ad_camp_1] This article demonstrates how to programmatically add elements to a node value. Web Dynpro has this concept of context programming. A context is a hierarchical tree data structure that can consist of nodes where each node can represent
Remove Duplicate Fonts in PDF Files
The solutions to things are just out there awaiting discovery. You just need to dig a little bit deeper and do a research. When you combine PDFs using tools like Pdftk or Apache PDFBox, fonts get accumulated and they have, specially embedded ones, direct impact on merged PDF file’s size.
When One Java Decompiler is Not Enough
I have been using Java Decompiler by http://jd.benow.ca/ since I successfully reverse-engineered an application being used by DHL Express Head Office Malaysia in Menara TM in Kuala Lumpur.
IOException When Taring a File Still Being Appended
Runing the codes on Create TAR Files Using Apache Ant API, the following exception may be thrown when processing a file still being appended or modified.
How to Configure a JDBC Resource in SAP NetWeaver AS
Background [wp_ad_camp_1] SAP NetWeaver AS, like other Application Servers for Java, has a facility to configure JDBC resources that can be used by Web Dynpro for Java applications running within it Turreta.com recommends using the latest available version of the
Connecting Tomcat 7 Web Application to Database Using JNDI
Several weeks ago, I looked at the some decompiled Java codes from a fairly small web application that basically records cheque numbers and generates reports. To my surprise, it was written in dreadful codes full of clutter and signs of haste! I almost cried. Just imagine the following code littered all around the application and entangled by a lot of package-level instance variables. Not to mention the SQL-statements-in-Servlets type of design pattern.
EJB2.0 with OpenEJB: Stateless Session Bean in Action
I am taking SCBCD5.0 certification soon. Right now, I am going over some EJB2.0 materials before taking on EJB3.0. I generally know EJB3.0 but never had grasped the fundamentals of EJB2.0. Mastering EJB2.0 would demystify EJB3.0.
Spring – Configurable Default Value for @Value
This post demonstrates how to use @Value that has both a configurable default value and a hard-coded final fallback value.
Install Oracle Java 8 in Red Hat Enterprise Linux and AWS EC2
This post demonstrates how to install Java (JDK) 8 in Red Hat Enterprise Linux in AWS EC2.