
Since 1998, DevX has helped people start businesses, build websites, and provide enterprise technology to people globally. Interviewing the likes of Microsoft’s co-founder, Steve Ballmer, the publication brings comprehensive, reliable, and accessible insights to the Internet.
QL has been evolving?slowly?for over three decades, (see Wikipedia for a historical summary). While SQL in the hands of an expert is quite powerful, it’s sometimes cumbersome compared to other
he dilemma is common. Your web site starts out by design with a few pages of content—a front page, a products page, perhaps something about the company or person putting
ecently, I was consulting on a Windows Mobile project where the client asked if it is possible to send images using SMS messaging. After searching high and low for a
oogle Earth (GE) provides a powerful 3D environment that you can use to provision your application with rich interactive 3D features. You can render points, lines or areas located at
Many of us write common graphics code in the Form’s Paint event because the Paint Event handler provides access to the Graphics object, and also because this handler is fired
A “component” in Hibernate is an object persisted as a value, not an entity reference. For example, suppose you have a Car class, like this: //class Carpublic class Car {
We all know about the function overloading feature in C++, which allows us to have the same name given for a function with different signatures (here, different signature means different
y default, the .NET Framework includes a number of classes that convey information about exceptions generated by the application. Whenever an error occurs in a .NET application, the .NET Framework
lain old Java object (POJO)-based architectures and lighter-weight development models using tools such as Spring and Hibernate have gained considerable acceptance in the enterprise Java space during the past few
icrosoft Expression Blend is a new full-featured design tool for creating highly-interactive and sophisticated Windows application user interfaces using Windows Presentation Foundation (WPF). With Expression Blend, a designer can design
“hese days if you look at the way a lot of shops work, they have really two kinds of people that go into developing web sites” James Gosling, vice president
Microsoft implemented many new features in SQL Server 2005, including an impressive set of language enhancements. From new language statements for SQL-99 compatibility to new features in response to customer
ome of the most interesting features of modern web sites are based on Geographical Information System (GIS) technologies. GIS techniques essentially give you a way to manage and show geographical
reating reports is one of the most common things developers are asked to do when building a typical business application. Businesses want to know how well a product has sold,
rom 1981 through 1986, I taught high school. I was fresh out of college (OK, a semester of engineering grad school which “didn’t take”), didn’t really know what to do,
icrosoft has officially entered the space of rich interactive browser development with a new product called Silverlight. To better understand what Silverlight is you simply need to take a look
s a kid/teen, I wrote short stories and read tons of magazines: Boy’s Life, Baseball Digest, Twilight Zone, and MAD Magazine. My parents knew how to keep me occupied on
rom basic, static HTML pages to totally data-driven and data-centric Web applications, the demands on a Web developer are much more complex and demanding than they were just a few
orking with value types was sometimes awkward in .NET 1.x, because they could cause serious problems in applications that retrieved data from database tables containing columns that can have null
xplicit typecasting is considered are an abomination in object-oriented programming. However, prudery won’t change the fact that casts are still a widely-used feature in C++ programming. Therefore, knowing exactly which
I have always been fascinated by informational graphics. Mathematicians aside, most people find properly rendered information graphics easier to assimilate and quicker to understand than raw data, in whatever form
here’s something about sitting down to write a Brew application in C that makes me go back to basics: the very basics, like writing my own linked list each time
There are many ways to start a new web application in Tomcat, but this tip is for the developers who want to do so by modifying the /conf/server.xml file. An
The System.Windows.Form class’s UseWaitCursor property sets the window’s cursor to an hourglass. It is a Boolean property. The Application class also contains a UseWaitCursor property, which sets the UseWaitCursor property
Did you know you can determine if a number is prime by calling an XQuery query? Here’s the code: <prime_numbers> { for $a in (1 to 50) return( if(not(some $counter
rior to SQL Server 2005, Microsoft’s SQL Distributed Management Objects (SQL-DMO) offered the most efficient way to manage SQL Server programmatically. SQL-DMO supported a COM-based interface that you could use
any developers have adopted AJAX as a way to develop rich web applications that are almost as interactive and responsive as desktop applications. AJAX works by dividing the web UI
The AWTEventListener class’ sole purpose is to view events. All you have to do is to implement the eventDispatched method. The following application demonstrates how: import java.awt.*;import java.awt.event.*;public class EventTest
While converting to Excel 2007, I had to update the column-number-to-string code in my program to handle columns of 703 and above (AAA). I found Yassine Moe’s code and simplified










