Newest Articles

A quick way to create grids in Photoshop
By John Henry Xu - Wed Jan 25, 2006 8:30:39 AM ET

Sometimes you need create grids in a picture. Here I describe a method to create grids in Photoshop that is very easy.

Struts Tile Tutorial
By John Henry Xu - Thu Sep 1, 2005 8:18:54 AM ET
Struts framework provides tile library that can divide UI -- web page -- into different areas (tiles). Tile library makes web application look and feel more consistent and easy to change. This tutorial, I will show simple steps of creating tiles for web pages. 1. Create a layout. 2. Use ...

Using Axis SOAPMonitor
By John Henry Xu - Tue Jul 19, 2005 8:44:33 PM ET
Axis SOAPMonitor can be used to monitor SOAP messages between web services and their clients. With TCP monitor, it is a good tool to debug web service applications. SOAPMonitor is a java applet application that can be invoked from command line. If you have installed Axis and set up its classpath ...

How to fix RedHat 9 ftp server problem
By John Henry Xu - Mon Jul 11, 2005 9:21:31 PM ET
Here is something I read from web, "I've used about every version of RH Linux from 5.x, and in every case getting the FTP server up and running is trivially easy. Just loaded RH9 but can I get the FTP server to accept connections from root, guest or anyone else? No chance, connection is always denied. ...

Use Apache with Web Application Server
By Jack Xu - Mon Jun 20, 2005 12:41:31 AM ET
In this tutorial, we demonstrate how to integrate web server Apache with a web application server, Tomcat. We use tomcat with apache because it becomes widely used, free open source application server. And other popular free web application server, such as JBoss, use Tomcat as its servlets container. ...

Install and Use Apache Web Server
By Jack Xu - Sat Jun 18, 2005 10:04:05 AM ET
Apache web server is the most popular web server that has been used nowadays. It is free, open source, and can work with other web application servers. In this tutorial, I am going to show how to install and use this web server.

Install Apache

Verify the signature of downloaded files
By John Henry Xu - Sun Jun 12, 2005 7:07:37 PM ET
When a free software has been downloaded from the Internet, the website may ask you verify its signature to ensure that software has not been changed. Usually there are three popular methods (PGP, md5 and SHA1) to verify this software?s signature or checksum. It is essential that you verify the ...

Quick tutorial about finding MAC address of your PC
By John Henry X - Sat Jan 29, 2005 7:29:41 PM ET
Windows: type: ipcofig /all Linux and Solaris: ifconfig -a FreeBSD: dmesg HP Unix: lanscan

HIPAA Introduction (Part 2)
By John Henry Xu - Mon Jun 28, 2004 11:01:16 AM ET
3.2.3 Fax Policy
The Privacy Rule does not specifically allow or prohibit facsimile transmission. Each covered
entity is responsible to have a reasonable policy given its circumstances.
Sending
Faxing is fast and efficient from the viewpoint of the sender. ...

HIPAA Introduction (Part 1)
By John Henry Xu - Mon Jun 28, 2004 10:50:55 AM ET
1 What is HIPAA?
The Health Insurance Portability and Accountability Act (HIPAA) demands change in health care provider-
payer transactions and privacy. HIPAA standardizes the transactions between providers and payers and
encourages them to be electronic; one could ...