Javascript to disable user from using the browser’s Back button

The following Javascript code would disable the user from using the browser's Back button.

<script language="javascript">
window.history.forward(1);
</script>

Bloch’s Standard Exceptions

IllegalArgumentException: Parameter value is inappropriate

NullPointerException: Parameter null where prohibited

IndexOutOfBoundsException: Index param out of range

ConcurrentModificationException: Concurrent modification detected when not allowed

IllegalStateException: Object state is inappropriate for method invocation. Ojbect may not be initialized before accessing its state. ClassCastException (Illegal state of object)

UnsupportedOperationException: Object does not support the method. Substitutional principal

Gmail for your domain

From Google website:

Bring Gmail to your domain.

This special beta test lets you give Gmail, Google's webmail service, to every user at your domain. Gmail for your domain is hosted by Google, so there's no hardware or software for you to install or maintain.

Gmail - 2 gigabytes of storage and search tools that help users find information fast.
Control Panel - Easily manage user accounts, aliases and mailing lists.

Want to be part of this beta test?

Gmail for your domain is currently available as a limited beta. If your organization is interested in helping Google test this service, we'll consider your domain for this beta. You'll need to sign in with a Google Account (or get a new one), and answer a few quick questions about your organization and your email needs.

What Is Next for Oracle?

Oracle is planning to buy the following three open-source software companies, which valued at more than $600 million according to Business Week Online.

• JBoss: Based in Atlanta, specializes in so-called middleware, the program the serves as a connection between disparate programs, competition against BEA Systems and IBM, worth as much as $400 million [www.jboss.com]


• Zend's PHP software language: Based in Cupertino, California, one of the most prevalent on the Web, present in more than 18 million Web sites, worth as much as $200 million [www.zend.com]


• Sleepycat Software: Based in Emeryville, California, specializes in technology that is used in many of the open-source databases that handle reams of digital data [www.sleepycat.com]

What is the next target for Oracle?

Read more about this at www.businessweek.com.

Top Ten Mistakes in Web Design

1. Bad Search


2. PDF Files for Online Reading


3. Not Changing the Color of Visited Links


4. Non-Scannable Text


5. Fixed Font Size


6. Page Titles With Low Search Engine Visibility


7. Anything That Looks Like an Advertisement


8. Violating Design Conventions


9. Opening New Browser Windows


10. Not Answering Users' Questions

Read more at Jakob Nielsen's Alertbox.
[Source: Jakob Nielsen's Alertbox]