Java

Lab Notes: Elasticsearch and Java Spring for IoT Tracking

Accessing as400 databases with Ruby, Java, and the RubyJavaBridge

Originally posted August 24, 2006

iSeries systems and Ruby are separate universes right now; I know of no native Ruby way to connect to an AS400 system. However, with…

Using the Hibernate API to Inspect Mapped Classes

Originally posted August 2, 2006

For my current project we needed to audit the property setters Hibernate was using on our objects to make sure that any logic in them was not overly state…

Thread pooling with Java concurrency utilities new (java 1.5) and old (util.concurrent)

Originally posted April 24, 2006

Threading in java is fairly easy and now with java 1.5 some of the stuff that was harder has become…

Managing Disk Space with Logrotate

Originally posted April 26, 2006

At a customer site, the test and production linux servers for some intranet applications were slowly running out of disk space. The apps themselves were running fine, it was the logfiles…

Converting Unix or Java Timestamps (time since the epoch) to Real Dates with Oracle

Originally posted April 29, 2006

A few days ago I made use of a couple Oracle built in functions and it made me happy I didn’t have to write…

Hibernate and your Getters and Setters

Originally posted Sunday March 11, 2007

When you’re using Hibernate and are mapping to properties, keep your getters and setters as simple and self-contained as possible. The receiver being initialized may not…