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The Latest

Using Explicit Casting to Display Data

Suppose you’ve retrieved data from a datasource and you want to display the value of field1. Normally, you’d do this by using the &lt%# DataBinder.Eval(Container.DataItem,”field1″) %&gt in the aspx/ascx file.

Validating an XML Document

The following code shows you how to use the DOMImplementationLS and DOMConfiguration classes to validate an XML document only when an XML Schema is present: DOMImplementationLS DOMiLS=null;//get a LSParserLSParser LSP=DOMiLS.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS,

Visual Basic and Respect

feel that all my life, I’ve been channeling Rodney Dangerfield (may he rest in peace). For those of you too young to remember ol’ Rodney, he was a comedian, most

A Practical Approach to Threat Modeling

ecurity is a hot topic these days. It is as if developers and system designers are fighting a never ending war against those who desire to damage hardware, compromise system

What’s New in Visual Basic 9.0? Part 2

ith the release of Visual Studio 2008, Microsoft has also updated the VB language to the latest version, 9.0. VB 9.0 boasts several key language enhancements that have been made

Autocomplete Combo Boxes

When you develop an application in Microsoft Access, your combo boxes will, by default, incorporate autocomplete. However, Visual Basic does not include this intrinsic support. If you want autocomplete in

Trigger Efficiency in Oracle

The documentation for Oracle 9.2 and previous versions contains the following paragraph: “AFTER row triggers are slightly more efficient than BEFORE row triggers. With BEFORE row triggers, affected data blocks

Exploring Secrets of .NET Diagnostics

iagnostics, also known as “program tracing,” is a crucial?and often overlooked and underappreciated?component of application development. I have long been an ardent believer in diagnostic support, and have written diagnostic

A Flickr-based Introduction to Ruby on Rails 2.0

nitially released in 2004, the Rails web application framework became the perfect killer application for the Ruby language and an extremely powerful tool for rapidly developing web applications based on

Determine the Direction of Stack Growth

A simple way to determine the direction of stack growth is to compare the address of a function parameter with the address of a local variable in the function. Of

Create Your Own Exception

Here’s an example of how to create an exception. You can extend this example as needed for your own applications. The important principle is the exeption’s mechanism, not its subject:

Ubuntu Eye for the Debian Guy: Running Linux on Linux

ometimes you can stumble upon interesting discovers while actually looking for something else. That happened to me when I decided to try another Linux distribution besides my favorite one: Debian.

What’s New in Visual Basic 9.0? Part 1

ith the release of Visual Studio 2008, Microsoft has also updated the VB language to its latest version, 9.0. In VB 9.0, there are several key language enhancements that have

Email All the Exceptions Occurring in an Application

The code below demonstrates a quick way to email all the exceptions that occur in an application: protected void Application_Error(Object sender, EventArgs e) { Exception ex = Server.GetLastError(); MailMessage msgMail

Passing SAX Events to a FOP Processor

This tip shows a Java application that can be used to pass SAX events to a FOP processor. It uses the javax.xml.parsers.SAXParser class: In demo document: C:Data_LocalxmldocsAirWings_fop.foOut demo document: C:Data_LocalxmldocsAirWings_pdf_sax.pdf*///FOPimport

Animate Images Along a Path in Web Pages

Use the following steps to rotate the images in your web page: Open Google Image Search. Type, for example, the word “rose” in the search field. The relusts page should