Reading from the object variable is always slower than reading from the local variable. So, if you are reading from the object variable frequently, then save it in a local
ow would you create an application that enables a user to retrieve sensitive data from a database and secure it, preventing other users from tampering with it? The application would
atabases are complicated because they have so many interdependent elements. The components’ interdependence is most evident when trying to improve server performance. When things slow down and performance seems to
he TreeView control is one of the most flexible Windows controls. It displays hierarchical data and lets users navigate through the hierarchy by expanding and collapsing nodes at will. I
ommand line interpreters, HTTP requests, and SMS messages are only a few of the applications in which different letter cases merely cause noise. To overcome this problem, such applications usually
or the past two years, the hype surrounding the Simple Object Access Protocol (SOAP) has barely waned, although its opponents have gradually risen in number. While some critics are simply
omplex applications such as data warehousing need a strong operational support infrastructure to manage the daily tasks that keep these systems running. Typically, such applications rely on multiple programs that
s the use of schemas grows, so does the need for tools to manipulate those schemas. IBM’s new XML Schema Infoset Model provides a complete modeling of schemas themselves, including
ou come home, turn on the computer, pull up a Web site, click on a link and HALT! A JavaScript alert box pops up; telling you there is a runtime
Learning HTML and XHTML is like learning any new language. Most students first immerse themselves in examples. Studying others is a natural way to learn; however, it’s as easy to
any DHTML developers are tired of building complex interfaces around poorly implemented browsers only to have to reinvent the wheel on the next project. Many more are beginning to understand
Java Offers Flexible Security Mechanismsby Sun Microsystems’s J2SE Security Team“All local Java standalone application code is always bytecode-verified.” The Foliage Software comparative study discussed in the DevX article “Software Engineers
t is possible to realize performance improvements and consistent processing efficiency in the OS/390 and z/OS environment using several methods?methods that do not require additional mainframe-expert staffing resources and methods
In this series, Oracle Pro Boris Milrud shows you how to use SQLJ, the evolving industry standard language, to write Oracle stored procedures with database-independent code that can be easily
ALT and VoiceXML are both markup languages for writing applications that use voice input and/or output. Both languages were developed by industry consortia (the SALT Forum and the VoiceXML Forum,
here’s no brawl like the brawl over a GUI technology. XML is the new entrant into this particular pit-fight, and it looks like the ultimate winner to me. XML is
inding data in a relational database is usually a simple task, especially if you’re simply comparing entries to a specific value, but queries rapidly become more complicated when you start
he indisputable appeal of Web services will drive most organizations to evaluate development platforms such as .NET. However, security concerns have always made organizations reluctant to embrace new technologies. Fortunately,
evelopers write unit tests to check their own code. Unit testing differs from integration testing, which confirms that components work well together, and acceptance testing, which confirms that an application
he INI (application INItialization) file format became popular because it provided a convenient way to store values that might change (such as file locations, user preferences, etc.) in a standard
Learning to program for the .NET Framework has been an interesting experience. I use the term “interesting” loosely: it has sometimes been amazingly easy, and sometimes unexpectedly frustrating. For instance,
What You Need To build the samples you need Visual Studio .NET and the .NET Framework (sp1). You should have an understanding of the .NET Framework and scripting on the
Remoting is a means by which one operating system process, or program, can communicate with another process. The two processes can exist on the same computer or on two computers
In the first part of this article, I explained the basics of calling functions in unmanaged DLLs from managed .NET code. In this part, I’ll show you how to use
his article describes how to use an HTML Application (HTA) file that you can use to launch CD’s. Developers have had the ability to create HTML applications since the release
As Flash MX becomes an integral part of enterprise applications and rich-media interfaces, developers must learn to incorporate Flash into their established software development processes. A few years ago, Flash’s
Quick Facts SmartCombo Control 1.0Visual Data SolutionWeb: www.vds.us.comPrice: $120.00Quick Facts: SmartCombo is a COM control for Microsoft Visual Basic, Visual C++, and any other Windows development environments that support COM
The Internet was originally used primarily by English-speakers, but the percentage of non-English speakers is increasing as Internet penetration increases. With huge populations in Asian countries coming online and European
uppose that your company’s field reps regularly upload files to the server, and the proper people need to be notified when these files arrive. Perhaps you need to monitor and
When you first start learning VB.NET, one of the first things you may notice is the absence of “traditional” file I/O support in .NET. Microsoft has replaced the classic IO