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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.
ustom SharePoint lists are like tables in a traditional database; in some ways they’re even better. But as organizations adopt this new data store, they introduce additional complexities in integrating
ata binding is an indispensable feature of ASP.NET that links a user interface element with the underlying data store. ASP.NET 1.1 restricted this data binding to one direction only?from the
t is no coincidence that AJAX and RESTful web services gained the attention of developers in their respective stages of infancy. Both technologies emerged during times that were dominated by
nit testing is a well-known practice that helps developers validate the functionality of components and identify bugs early when they are easy to fix. By leveraging frameworks like JUnit, unit
wo heads are better than one, goes the old saying, and that can be as true for mobile applications as it is the people who write them. Whether you’re looking
f you’ve done any open-source database development recently, you probably already know that when it comes to selecting a database for your application, you have a plethora of choices. You
hen you think about the success of the Internet, your mind probably goes to the vast libraries of digital content: explosive social networks linking gamers, grannies, geeks, and gamblers; torrents
Use the following code to convert from Centigrade to Fahrenheit and vice versa: Function CentToFaren(ByVal cent As Double) As Double Return cent / 0.55555555556 + 32End FunctionFunction FarenToCent(ByVal faren As
In principle, in EJB 3.0, you can access a bean from another bean by looking it up in the interface (local or remote). Here are two solutions for doing that:
The #flastmod and #fsize server-side includes provide important information on web pages hosted by classic ASP web sites. The #flastmod include prints the date when the file was last modified.
ince AJAX first appeared, developer interest in JavaScript has increased exponentially?and toolsets for building functionality in JavaScript have burgeoned as well. One of the latest tools for JavaScript-related development is
ecause the scientific and engineering numeric floating-point calculation approximates real arithmetic, the precision of this format can create situations wherein your floating-point operations results are not acceptable in some domains.
orting C code to C++ is no big deal: change the source file’s extension from .c to .cpp and recompile. By contrast, porting C++ source code and binaries to C
ervice orientation is sweeping through modern enterprise environments like the Black Plague swept through Europe (hopefully the parallels end there). At the same time, enterprises seem increasingly interested in supporting
bot is a computer program that surfs the web in much the same way as a human user; however, bots are automated. A bot can access a large number of
ava programmers who want to develop semantic web applications have a growing range of tools and libraries to choose from. One such tool, the Jena platform, is an open source
CF is one of the exciting new capabilities in the .NET 3.0 Framework. It provides a unified and uniform programming model for building distributed applications. Those who previously built multiple
lmost any application you write that accepts input requires some sort of validation to meet the business requirements. One example is when you need to validate user-entered or externally acquired
elp is one of the most overlooked aspects of Windows development. Ask yourself this: for the last application that you finished and rolled out, how much effort did you put
he Resource Description Framework (RDF) and Web Ontology Language (OWL) are important technologies driving development on the road to the semantic web. The former is a set of World Wide
First introduced in Oracle 9i, ANYDATA is a “self-describing data instance type” which means it not only holds the value, but it also holds its own data type within each
When you’re working with JDBC, you can load more than one JDBC driver in memory. To find out how many drivers are in memory, along with other useful driver information,
Use this Boolean function to determine whether a URL is valid: public static bool checkUrl(string url) { bool rt = false; if (url.StartsWith(“www.”)) { url = “http://” + url; }
n important principal of software design is that of “least privilege.” Basically, in any given layer of a program, you should grant only minimal access such that the code has
MS messaging is one of the most popular means of communication means in this new digital age. While SMS is best suited for asynchronous communications, it’s recently being increasingly used
uppose you and your swashbuckling buccaneer friends attack a Spanish galleon. When the smoke clears you find that you have emerged victorious but now you must begin the more difficult
You may need to use ORDER to force sequence numbers to be output in the order of request when you’re using them for timestamping. Most of the time, your sequence
n a previous article I showed you how to leverage Semantic Web technology to create a relatively sophisticated sommelier application that recommended wines based on an understanding of wine styles.
Before using savepoints in your application, you need to be sure that your RDBMS supports this facility. To do this, call the DatabaseMetaData.supportsSavepoints method, like this: Connection conn=null;DatabaseMetaData dmd=null;…try{ dmd=conn.getMetaData();
To save a URL as an MHT file (Microsoft “Multipurpose Internet Mail Extension HTML”?a Web Archive File), reference the Microsoft ActiveX Data Objects 2.7 and Microsoft CDO libraries and use
