wp_nonce_field Form Security Tutorial

Wordpress Nonce Fields

wp_nonce_field() is a WordPress function that creates a hidden form field to validate requests origin. Simply, anyone can send a http request to your website from outside. wp_nonce_field is a method to verify requests origin. nonce is an artificial word which is short form of “number used once”. What is a nonce? According to definition, …

Conway’s Game of Life

Conway's Game Of Life

After extinction of us, what will remain from us? Are we going to able to create a new kind of specie? Famoust mathematician Conway has an answer for this: Even we can not create a new specie, we can leave a living mathematical formula. Conway’s Game of Life’s rules are so simple: For a space …

Phaser 3 Tutorial

Phaser V3 is out now! There are lots of new features and improvements. In this article i am going to cover basics of Phaser 3. First of all, Phaser is not using Pixi rendering engine anymore. Phaser V3 uses it’s own rendering engine. If you want to learn more about it’s new renderer, you can …

ISDS: bindtoreplica: unknown authentication type in agreement

IBM Security

During replication topology set up for IBM Security Directory Server, you may see this error. This error message has written into queue details page, on the Last Attempted Details tab. Complete error message is: bindtoreplica: unknown authentication type in agreement. You may see this error while configuring replication between servers. This error message explains that: one …

Db2 V9.5 – How to Shrink Tablespace

db2 9.5 shrink tablespace

After deleting a big set of data from a table, we expect it to get smaller than it was before. But in Db2 V9.5 you need to lower high water mark to shrink unused space in tablespace. After Db2 V9.7 you can use ALTER TABLESPACE command to lower high water mark and reduce a table’s size. …