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.


Split a string and loop in SQL Server

  • 20 May 2016
  • ADM

How to split a string and loop it's values in Microsoft SQL Server. Simple solution used to insert data into tables.


JDBC Statement vs PreparedStatement

  • 05 April 2016
  • ADM

JDBC Statement vs PreparedStatement with example. Comparison between around SQL Injection using SELECT query.


Starting LAMP On Low Memory VMs

  • 11 April 2016
  • ADM

If you are using a dedicated server with a few GB of RAM then you will not have this problem. But if you are running cloud computing with small virtual server like vultr.com then you may end up in this problem: the mysql/mariadb server will run out of memory.


If statement vs try catch block

  • 07 March 2016
  • ADM

Real live comparison:

If statement is like walking on the cliff, on each step you need to check your stability otherwise you may fall into abyss.

Try/catch block is like walking on the street, you don't have to care about the road on each step, only when there is an obstacle (something exceptional is happening).