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.

Scroll a Div using jQuery

Here I show how to scroll a content of a div element using Jquery.

Convert Arraylist to array in Java

Simple code to convert Arraylist to array.

Regular Expressions Tutorial

Here I made my short note on Regular Expressions.

How to merge two arrays in Java

How to merge two arrays in Java.

Add and remove elements from JavaScript array

Here I show how to add ,remove elements and get a comma separated string from JavaScript array

Convert minutes to hours in JavaScript

Convert minutes to hours in JavaScript . Eg: 400 minutes -> 06hrs 40min

JavaScript Functions

Here I explain different types of function creation methods in JavaScript

JQuery

Click a button/link when page load,find selected and unselected options in Jquery

Remove ThreadPoolExecutor Break point in Eclipse

 Remove Liferay debugging breakpoints.

How to create a JavaScript Map

How to create a Map in JavaScript.

Objects sorting in java

Here I explain how to sort java objects using Comparator and  Comparable interfaces.