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How to replace all occurrences of a substring in a string using Javascript replace function

Posted Wed, 10/13/2010 - 14:32 by rajesh

Here is an article about How to replace all occurrences of a substring in a string using Javascript replace function

There are times when we need to replace occurrence of a word in string.
Javasript replace function replaces the occurrence of a string or regular expression in the string.It returns a string after doing the desired replacements
The Javasript replace function takes two parameters

First parameter: the string or regular expression to find
Second parameter: the string with which we will replace the found ones

Suntax:


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How to disable submit button if checkbox is not checked

Posted Sun, 09/26/2010 - 15:31 by rajesh

There are times when developers want the submit button to be disabled until a particular checkbox is not checked for accepting terms & conditions at user registration or any other reason. This small article helps you in enabling disabling submit button depending on the status of checkbox. This script will only work if JavaScript is enabled in client browser.

function enablediablesubmit()
{
if (document.getElementById('agree').checked == 0) {
document.getElementById('mybutton').disabled = true;
} else {


LED,LCD and PLASMA know the underlying technology

Posted Sat, 09/04/2010 - 06:03 by rajesh

Because of continuous changes in underlying technologies of televisions, it’s really hard to choose right television from the number of choices available in market. You have choices in terms of LCD HDTV or Plasma HDTV or newly arrived breed of televisions LED TV.

The measure difference between LCD TV and LED TV is in terms of backlighting the new LED TV uses Light Emitting Diodes instead of fluorescent lamp used in earlier LCD TV; otherwise both technologies use same LCD screens.


Difference between Full HD TV and HD Ready TV

Posted Sun, 05/23/2010 - 06:24 by rajesh

High definition televisions are well known for their better resolution than standard defintion(SD) televisions.HDTV uses widescreen aspect ratio of 16:9 as compared to standard TV's aspect ratio of 4:3.


How to backup MS SQL Server 2000 Database using Enterprise Manager

Posted Fri, 04/30/2010 - 09:50 by perfect_storm

Backup of databases is one of most essential things for maximum uptime of your critical applications.It helps in fast recovery in case of disasters.Here are steps to take backup of Your MS SQL Server 2000 database.

Open Enterprise Manager.

Go to your database in tree and connect.

Right click the database and go to All Tasks and Click on Backup Database...

Select Database-complete radio button under Backup.


Difference between Plasma and LCD screens

Posted Mon, 03/29/2010 - 09:52 by rajesh

The bulky Cathode Ray Tube (CRT) TV sets are now being replaced by thin and flat display technologies like plasma and LCD.Both plasma and LCD may look same at first, but there is a big difference in the underlying technologies used in these displays. With technology difference comes advantage and disadvantages for each of these.