Menu
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.
Often, email validation code for web applications checks only for the position of @ and period characters, also assuming the @ character will be in the front of period. But
Using the right type of locking on tables is very important to ensure application scalability. Based on the data access pattern, you’d select either Data Page lock or Data Row
t can be tough keeping up with all the new technologies released by Microsoft, but Windows Workflow Foundation (WF) is a technology you do not want to miss. This article
lthough XML Schema was intended to be used to provide a better validation and definition layer for XML than Document Type Definitions (DTDs), certain underlying concepts were translated unintentionally. One
iltering is an important aspect of writing most complex queries. While there may be instances where you don’t need a filter, such as a simple query that retrieves a list
ith the release of Visual Studio 2008, Microsoft has also updated the .NET Compact Framework. Unlike its desktop counterpart, there is no version 3.0 of the .NET Compact Framework. Instead,
eveloping Windows Vista Sidebar gadgets generally involves a lot of JavaScript programming. To make it possible for Sidebar gadgets to access the various systems’ information, Microsoft has provided a set
o cache objects returned from a service, you can use one of several available mechanisms, the simplest of which is to reference the objects indefinitely. However, this approach ultimately suffers
evelopers constantly face problems brought on by changing technologies. When Microsoft releases a new version of a data provider, or a customer decides to switch databases from Oracle to SQL
y previous article on getting started with Silverlight provided an overview of Silverlight in general and also covered how to execute managed code in a Silverlight 1.1 application. This article
oorly-written code and nonconformance to coding standards may get an application ready to ship a little more quickly, but often becomes a nightmare after application deployment. The answer is, of
This tip shows you how to extract the pixels from an entire image or from a piece of an image. The following code shows the PixelGrabber class: PG=new PixelGrabber(IMG,0,0,L,H,pixels,0,L);try{ PG.grabPixels();}catch(InterruptedException
A quick way to insert a separator bar in the menu items in .NET’s MainMenu component is to type a ‘-‘ (a hyphen) and press enter.
In C++, it is possible to declare as a friend a class that was not declared anywhere else. This behavior is specified in the C++ Standard (11.4), but it can
re you a Microsoft developer? Have you heard about SharePoint? Do you use SharePoint in your organization? If you answered “yes” to any of these questions, keep reading. In this
o continuous integration is an important part of your development process and you’re eager to include a code-coverage check as part of your automated builds, but which coverage-rate targets should
n Part 1 of this article series you saw how to get started with Direct3D, Microsoft’s high-performance three-dimensional graphics library. That article explained how to initialize Direct3D, build simple scenes,
++03 has a very limited set of tools for enforcing constraints on templates. Consequently, templates code becomes messy, unintelligible, and buggy. With the addition of concepts to C++09, this unsavory
ust a few weeks ago, the Open Handset Alliance pushed its baby “Android” out into the spotlight. While no devices available on the market run it, Google has offered 10
icrosoft has gone to great lengths to help you make your software applications more appealing to users. You can create rich user experiences with Windows Presentation Foundation, smooth web applications
To gain focus on a form in an MDI Windows Application quickly, use the Form.Activate method. This method moves the form to the front of the application and gives it
Wrapping the result of an XQuery query into an XML document is very useful if you’re working with atomic values. The following Java program uses the net.sf.saxon.om.SequenceIterator and net.sf.saxon.query.QueryResult classes
This is an improvement to the tip “Encrypt a String Easily.” I found that the szEncryptDecrypt function in this tip did not handle unicode strings properly, but otherwise worked well.
lthough binary search trees (BSTs) are used widely, as data gets added, binary search trees tend to degenerate into an unordered linked list over time. The “red-black tree” is a
hen I first learned about the Google Collections Library, I was puzzled. The Google Collections Library enhances the JDK’s Java Collections Framework, and its developers plan to make it part
ost applications need to write log messages at different layers of the application for instrumentation, debugging, or monitoring purposes. Generally, developers write code to log these messages to an external
an Francisco, CA?How popular is the Google Web Toolkit (GWT)? Google claims their Java web development framework for AJAX (asynchronous JavaScript and XML) applications has been downloaded millions of times
f you have been developing Windows Mobile applications using the .NET Compact Framework for some time, there will be a day when you will realize that not all the functionalities
he challenge of bringing data from efficient storage engines such as SQL Server into object-oriented programming models is hardly a new one. Most developers address this challenge by writing complex
bject-modeling methodologies have long held the promise of enabling development teams to deliver higher-quality software faster and with better code reuse. Sadly, traditional object-modeling solutions such as the Unified Modeling
