Prestwood eMag
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 portal.prestwood.com
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| February 2008 - ASP Classic Edition
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Year 10 Issue 2
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| Your full service technology partner!
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From The Editor
 Mike Prestwood
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In addition to bringing you the usual combination of group specific information, this issue focuses a bit on virtualization. Whether you're a client or developer using Windows Vista or another OS, virtualization is an interesting subject you should know about so you can leverage resources.
About Windows Virtualization
The act of isolating or unbinding one computing resource from another. Windows virtualization adds virtualization services to the core Windows operating system at a fundamental level. Windows virtualization takes advantage of virtualization assistance in hardware based on Intel Virtualization Technology and AMD "Pacifica." Virtualization enables workloads such as server consolidation, efficient software development and testing, resource management for dynamic data centers, application re-hosting and compatibility, and high-availability partitions.
Here are the categories of Windows Virtualization:
- Application Virtualization
- Desktop Virtualization
- Server Virtualization
- Storage Virtualization
- Network Virtualization
Application Virtualization
Introduced with Vista, creates application-specific copies of all shared resources. It separates the application configuration layer from the OS making deployment easier in some cases.
In addition to reading our feature article, here is a good link to start with...
Expert guidance from working professionals!
 Wes Peterson
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Desktop Databases topic:
Application Virtualization: The Good, the Bad, the Ugly
by Wes Peterson
Virtualization is a concept greatly expanded in Vista. This article discusses the impact of Application Virtualization on you development. It can have a huge impact on how the programs you write will behave when installed on Vista.
Removable Storage Technology topic (classic post):
Removable Disks - a brief overview & history by Wes Peterson
Wherever would we be without portable, inexpensive removable media?
From the old, eight-inch floppy, to the latest Blue Ray DVD format, little spinning disks have provided computer users with convient, off-line storage.
This is a brief overview and history of the various disk formats that have come, gone, and are - for the moment - sticking around.
Coding Services topic (classic post):
Software Testing? We Do That! by Wes Peterson
Everything about our web site makes it pretty clear that we specialize in custom application development.
Less frequently mentioned is another service we provide: Professional software testing. Software testing is a discipline unto itself. It's certainly related to development, but developers aren't the best testers. That's why Prestwood retains highly experienced, professional software testers.
This is a service we make available - whether or not we're involved in a product's actual development.
This article provides more details about this service.
Desktop Databases topic (classic post):
MSI Installers: Whats Up with These? by Wes Peterson
For a while, now, Windows has supported a new mechanism for installing applications: MSI.
This is quite a bit different than the familiar setup.exe, and here we begin exploring the differences - and the significance of MIS installations.
 Role-Based Tech Talk topic:
Crash, Bomb, Hang, and Deadlock by Scott Wehrly
This article explores and defines the following terms: crash, bomb, hang, deadlock, exception, fatal error, and blue screen of death.
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| Monthly ASP Classic Lesson
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Tool Basics Topic:
Code Snippet of the Month
This is a simple example of passing a value to a JavaScript function. You can pass values to JavaScript the same way you pass values to HTML.
<%
Dim MyName
MyName = "Mr Paradiddle"
%>
<script language="javascript">
<!--
function ShowYourName() {
document.write('Your name is <%=MyName%>.')
}
ShowYourName()
-->
</script>
ASP Classic Topic:
Run ASP pages on Linux/Unix! This software was originally developed by ChiliSoft.
Sun Java System Active Server Pages software allows organizations to deploy Active Server Pages (ASP)-based web applications on a variety of web servers and operating systems. ASP applications currently supported by Microsoft IIS can now be powered by the Java System Web Server for increased security. Legacy ASP applications running on Windows NT can be transitioned to the Solaris Operating System for ongoing maintenance and support.
ASP Classic Topic:
Question: What does VBScript stand for?
Answer: VBScript is short for Visual Basic Scripting. VBScript brings scripting to a wide variety of environments, including Web client scripting in Microsoft Internet Explorer and Web server scripting in Microsoft Internet Information Service. It is used in Visual Basic, Access, Word, Excel, ASP, etc.
ASP Classic Topic:
Tip of the Month
When naming constants, Microsoft suggests you prefix each constant with "con" as in conYourConstant. Although, they also say the older all caps with words separated by an underscore is still acceptable (i.e. YOUR_CONSTANT).
Because I code in multiple languages and I really don't like all caps with underscores, I've adopted a lowercase k in place of con as in kFeetToMeter.
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