How to Format USB Flash Drive to FAT32 in macOS

  • 14 August 2020
  • ADM

How to Format USB Flash Drive to FAT32 in macOS in simple steps using Disk Utility.


How to delete directory in Java

  • 19 October 2016
  • ADM

How to delete directory in Java using File.delete() method. Recursive delete is applied if the directory is not empty.


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


How to define one-to-one relationship in MySQL

  • 08 July 2016
  • ADM

How to define one-to-one relationship in MySQL using the foreign key and unique property to limit the row count from the child table


ISO8583 flows, fields meaning and values

  • 10 November 2017
  • ADM

ISO8583 message flows, data elements values and meanings. Message flows examples, most used data elements and values.


How to convert object to / from JSON using Jackson

  • 17 July 2017
  • ADM

How to convert Java object to / from JSON string using Jackson library. Simple example including embedded object.