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.


How to convert object to / from JSON using Gson

  • 15 June 2016
  • ADM

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


Windows basics commands and tools for developers

  • 23 May 2016
  • ADM

Windows command prompt basics commands like ping, telnet, dir, cd, ipconfig and tools like Task Manager, Services, Registry.


How to delete a record using JDBC PreparedStatement

  • 19 May 2016
  • ADM

How to delete a record using JDBC PreparedStatement to avoid SQL injection.