Determine user in Tomcat

To determine user authentication info in Tomcat, we can use the following:

getRemoteUser()
isUserInRole(String role)

Both methods are under javax.servlet.http.HttpServletRequest.

Search Engine Optimization Technique

For SEO, there are few things to note.

1. Meaningful title
   "Production name | Description"


2. Use of meta tag
   META DESCRIPTION, META KEYWORD


3. Use of canonical link
   http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html


4. Use of SiteMap
   http://code.google.com/p/googlessitemapgenerator/
   http://www.sitemaps.org/protocol.php


5. Use alt text

More information:

1. http://static.googleusercontent.com/external_content/untrusted_dlcp/www.google.com/zh-TW//webmasters/docs/search-engine-optimization-starter-guide.pdf


2. http://www.seomoz.org/beginners-guide-to-seo

Using X-Forward-For Header

Say if you have a web server on top of your application server, you can use "x-Forward-For" HTTP header in the application server to get the real IP of the client.

Note: Remote host only returns the IP of the web server instead.

phpgraphy album title length

The title length of albums could be modified at:
found in file "/base/include/yorsh-varval-request_data.inc.php"

field dirtitle

verison 0.93.

Context level of Moodle

From lib/accesslib.php

25 // context definitions
26 define('CONTEXT_SYSTEM', 10);
27 define('CONTEXT_PERSONAL', 20);
28 define('CONTEXT_USER', 30);
29 define('CONTEXT_COURSECAT', 40);
30 define('CONTEXT_COURSE', 50);
31 define('CONTEXT_GROUP', 60);
32 define('CONTEXT_MODULE', 70);
33 define('CONTEXT_BLOCK', 80);

Redirect Apache request to IIS

Just got some ideas for redirecting Apache request to IIS, if anyone make this work, please let me know.

RewriteEngine on
RewriteRule ^/(.*\.asp)$ http://localhost:81/$1 [P]