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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.
opy construction, assignment, container reallocation, string concatenation, and string copying are all instances of copy operations. However, in recent years a new paradigm is emerging: move semantics. This discussion presents
racle’s XDK 10G extends JAXP to make reading, writing, and querying XML easy. One of the first programming exercises for beginning XML developers is to create and parse an XML
o you finally have a product to sell, and a site to sell it on. But wait; how do you prevent unauthorized users from downloading your products? Forms Authentication provides
ne technique becoming increasingly popular with developers is the adoption of an Aspect-Oriented Programming (AOP) model. AOP provides techniques for changing the behavior of business objects and other classes through
f the several ways to enforce business rules in the database, only constraints can guarantee that your business rules are always enforced for all your data. This article teaches you
f you read my DevX article “Beautify Your UIs with Perfect Pen and Brush Control,” then you know all about how to draw lines that are thick or thin; dashed,
ttention C# developers: C# is good for a great many things, but it’s not the best language for everything. In fact, there is no such thing as “the best language.”
o you’ve discovered the grace and power of Ruby and you’re ready to explore the subtle but important ideas behind its elegance. Follow this tutorial to create a small, useful
f you’re a C++ developer who’s curious about all of the hype surrounding the Ruby programming language, this article is for you. It provides a high-level overview of the key
uilding and scripting are two very important skills in the MMOG Second Life. Building is the process by which you create complex 3D structures. Scripting is the process of using
icrosoft ASP.NET 2.0 shipped with a complete membership API that allows developers to manage the application’s users and their roles. However, this API best suits small to medium web sites
irect Web Remoting (DWR) is a Java open source library for developing AJAX applications that consists of two components: JavaScript running in the browser that sends requests and dynamically updates
any applications require?or are enhanced by?the presentation of aptly named rich text, text in different formats interspersed with images and hyperlinks to other content. Whether the application is a pure
s a Java developer, why should you learn Ruby? Because Ruby’s versatility and flexibility complement Java well, and you will be a more effective and efficient developer if you use
ou probably are reading this article because you want to convert a Java application into a Windows service. I can relate. Recently, I wanted to turn a Java server application
isual Studio gives developers the extraordinary capability to build a database application with a working graphical user interface using just a few mouse clicks. The canonical form of this with
s a developer, how often have you been asked to refactor a SQL statement to increase performance, accommodate changes to database design, support a new database, or for a whole
Oracle supports the pushing of predicates into a given view. Suppose you have a set of layered views: –View OneCREATE VIEW vw_layer_oneAS SELECT * FROM emp;– View TwoCREATE VIEW vw_layer_two_dept_100AS
Although the CComBSTR = operator is overloaded to make a copy of the string, this is not the case when assigning a CComVariant’s bstrVal member to a CComBSTR. In this
he latest version of ASP.NET, version 2.0, supports several new and exciting features that promise to enhance developer productivity, administration and management, extensibility, and performance. One of these features is
Lots of people use online email like Gmail nowadays, but one functionality these types of email hosts lack is the ability to refer to a group of contacts and have
To make a hotkey that does something complicated in the browser you will probably need to send a JavaScript bookmarklet to the browser address bar. For example, suppose you wanted
Oftentimes, you’ll need to use common properties across projects, while being able to override or load new properties that are project specific. Java’s Properties class allows for flexibility when organizing
In my recent article on the AutoHotKey scripting language, I advocated using hotkeys to address different domains separated into their own scripts. Of course, when you start a script up
In most cases, when there are namespace conflicts, developers tend to use the complete qualified name in the code. For example: using System.Web.UI.WebControls;using MyComponent.Web.UI.WebControls; This is usually okay for simple
first wrote an XML-over-HTTP web service almost a decade ago. At that time, it seemed a completely natural solution to a practical business problem: provisioning web-based, product-pricing quotes. As web
he .NET 2.0 Framework now supports a new style of strongly typed collections called generics. This article demonstrates how to use generics in your .NET code. It would be nice
Using the Send method of the Ping class (in System.Net.NetworkInformation namespace) takes the hostname as a parameter. This captures the reply in the PingReply object, as shown below: //CodePing ping
This tip shows how to get the keys generated for the rows added by an INSERT statement. Statement st=null;PreparedStatement pst=null;Connection conn=null;ResultSet rs=null;ResultSetMetaData rsmd=null;…try { st= conn.createStatement(); }catch (SQLException e) {System.out.println(e.getMessage());}try
Microsoft Word has a function that lets you convert text into a table very quickly. Suppose you have a word list that you think would be better displayed in a
