CSS Transparent Overlay

CSS Transparent Overlay. This will work on IE 8 and earlier versions also.

Hibernate Unidirectional Mapping short note

Here is my Hibernate/JPA unidirectional mapping short note.

Hibernate Bidirectional Mapping short note

Here is my Hibernate/JPA bidirectional mapping short note.

JAVA date difference in years months and days

Here I explain how to get date difference in years, months, days and years, months, weeks, days.

FOREIGN KEY Constraints: NO ACTION, CASCADE, RESTRICT, SET NULL

FOREIGN KEY Constraints in MySQL (NO ACTION, CASCADE, RESTRICT, SET NULL).

If new, INSERT. if existing, UPDATE. - MySQL (ON DUPLICATE KEY UPDATE)

If new, INSERT. if existing, UPDATE. - MySQL (ON DUPLICATE KEY UPDATE)

Recursively print a menu in JavaScript

Dynamically print a menu using recursive JavaScript method call.

How to select or copy text vertically

How to select or copy vertical block of  text in various editors.