HP Microserver Gen8 - Install SSD in ODD slot

  • 14 August 2017
  • ADM

HP Microserver Gen8 - Initial setup with two HDDs and one SSD added in the ODD slot.


How to calculate date/time difference in Java

  • 16 January 2017
  • ADM

How to calculate the date and time difference in Java using a simple method of division and remainder of division.


Autoboxing and Unboxing in Java

  • 12 October 2016
  • ADM

In Java, autoboxing is the automatic conversion between the primitive types and their corresponding object wrapper classes. Unboxing is the other way around.


How to convert String to long in Java

  • 23 November 2020
  • ADM

How to convert String to long in Java using Long.parseLong and Long.valueOf methods. Simple example provided.


How to generate tables from entities using EclipseLink

  • 15 July 2016
  • ADM

How to generate entities from tables using EclipseLink. Simple example using one-to-one database relationship. @MappedSuperclass example included


ISO8583 financial transaction message format

  • 23 August 2017
  • ADM

Introduction to ISO8583 financial transaction message format. Parts: message type indicator, one or more bitmaps and data elements.