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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.
This SQL code retrieves the nth Maximum and nth Minimum values in the column specified in from the table . The argument will be accepted in the runtime by SQL:
ne of the language enhancements in .NET 2.0?available in both VB.NET 2005 and C# 2.0?is support for partial classes. In a nutshell, partial classes mean that your class definition can
As you know, VBScript doesn’t support the declaration of optional parameters in subroutines or functions. So, if you have a function declared as: Myfunction(p1,p2,p3), to simulate optional parameters, you’d have
This tip is an extension of a Design Pattern called “Service Locator” for the J2EE architecture. Generally, the “Service Locator” pattern returns a home object by merely accepting a string,
You can use STL binders to use binary function objects as unary function objects in many STL algorithms which need them. Suppose you need to find the count of strings
The Java API provides a class called java.util.Observable which can be extended by any Java class. The child class can then be an “observable” class and other objects can “observe”
n the old days, building mobile applications involved using the ASP.NET mobile controls which were a subset of the larger ASP.NET. ASP.NET developers had to learn new concepts (for instance,
isual FoxPro 9.0 is fully compatible with pervious versions of Visual FoxPro. With its local cursor engine, tight coupling between language and data, and powerful features, Visual FoxPro 9.0 is
he integration of heterogeneous software systems often requires disparate clients to share data seamlessly in real time. Two technologies that have eased this data flow are XML and Web services,
Instant messaging represents a medium via which messaging partners can interact in a synchronous fashion. Correspondence can occur in a near “instant” manner. Chances are the majority of workgroups in
he hype during the mid-to-late 1990’s over Java’s utility to run swarms of autonomous applets was greatly exaggerated. This early enthusiasm (and marketing) for Java as a language with which
erving files that clients can download over the Internet couldn’t be easier, right? Just copy the downloadable files into your Web application’s directory, distribute the links and let IIS do
here are incredible improvements in the Visual FoxPro 9 reporting system. Of several aspects, I’ll discuss just one in this article: the ability to extend the behavior of the runtime
ierDeveloper is an Object-to-Relational (O/R) mapping tool that integrates with Visual Studio versions 2002 and higher. TierDeveloper maps Relational Database Management System (RDBMS) tables to .NET objects (VB.NET and C#),
any developers wrote VFP applications using COM components, usually for data access logic and business logic. As a VFP developer you’ll be relieved to know that you can reuse those
To shutdown Windows, just type the following code: Shell “shutdown -s -t 00” To restart windows: Shell “shutdown -r -t 00” Here’s the key: -s means shutdown. -r means restart.
In Visual Studio, when you select an item on a form you’re building, the Property Grid appears and lets you set various properties (e.g. background color, width, height, text color,
Many of the STL algorithms have two versions, with one version taking one less parameter than what the second version takes. The one with lesser parameters implies its default logic
You cannot change the value of a nodes checkbox in the event treeview_NodeCheck as explained in this tip. Besides that, the event doesn’t fire at all when clicking a nodes
hy do we need to model software? After all, aren’t the acts of coding and refactoring of that code enough? That depends on what is meant by enough! You could
For persisting Java objects in a file, use java.io.ObjectOutputStream. ObjectOutputStream writes primitive data types or Java objects. Persistent storage can be accomplished by using a file for the stream. Only
‘m sure you are as anxious as I am to explore new properties, events, and methods, new or improved commands, and FoxPro Foundation Classes (FFCs). Let’s dive right in! Anchoring
he FoxPro team at Microsoft is readying a new version for release at the end of 2004. This may come as a surprise to some; it’s not uncommon to hear
art 1 of this article explained IDS and examined the most popular open source IDS solutions. Part 2 demonstrates some common, practical uses for these solutions. The first example is
very version of FoxPro has always included a number of enhancements to the IDE and Visual FoxPro 9 is no exception. Fonts and Colors EverywhereOne major enhancement to the UI
In its current release, the .NET Compact Framework does not encourage the development of applications with a distributed object model because it doesn’t support .NET remoting. That leaves only a
n this article, you’ll learn about the new reusable data environments, report protection, and several user interface enhancements, enhancements to layout objects and data groups. Finally, you’ll learn about one
isual FoxPro 9.0 contains more functional enhancements to the data engine than any release since 3.0. From the new and extended functionality in SQL to new data types and a
n a previous column, I discussed the Standard Library’s map associative container. But this was only one half the story. The Standard Library also defines a multimap container, which is
clipboard acts as a temporary staging area where application users store cut or copied information, including text, graphics, objects, and other data types. It is a heavily exploited data sharing
