
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.
There may come a time when you need to generate the permutations of a given set of variables at hand, all of them belonging to the same type. The C++
SQL statements defined “inline” in source code are a warning sign that the implementation or the project design itself probably includes some land mines. If you see something like: String
BREW is very event-driven. As such, an application will get many events that it may not be expecting. Controls talk to themselves using events. The system sends events to the
A MIDlet requests permissions by declaring them in the application descriptor, using either MIDlet-Permissions or MIDlet-Permissions-Opt. Multiple permissions can be specified and are separated by commas. If a permission is
If you have just installed FreeBSD’s ports collection using a CD-ROM, you must upgrade to the latest releases of the ported software you need. If you have just installed FreeBSD
This file creates an executable file from a Python file specified by the user and writes the new executable to disk. “””makeExe.py- Simple Python script to automate the creation of
For newcomers to Linux, the “manpage” is the UNIX/Linux equivalent of the classic DOS question mark (?) command-line parameter. It shows you information about the command. To see the manpage
o you thought batch programming had died and gone the way of the COBOL dinosaur. Think again. Despite the trends toward real-time solutions, companies still run essential business processes using
n the past two 10-Minute Solutions, you’ve explored the basics of printing with VB6 and built a very simple text editor with print and preview capabilities. Now, learn how to
Generally speaking, the data you’re being asked to process most likely has not been input in the format you need. It comes in hexadecimal, octal, or even in binary formats.
Ever declared a static variable in the header file at the file scope and had it introduce completely different behavior than you thought it would? This is because when you
Sometimes you need to determine whether a particular key is pressed or not?even though the application is not active. “GetAsyncKeyState” comes to the rescue. This function takes a virtual key
This is a simple method to check for duplicates in an ArrayList: checkDuplicate : Methodpublic static boolean checkDuplicate(ArrayList list) { HashSet set = new HashSet(); for (int i = 0;
he database server is a fixture in almost every business these days. The common commercial databases, such as Oracle, Microsoft’s SQL Server, and IBM’s DB2 server, include many features that
n the movie It’s a Wonderful Life, Clarence the Angel explains how one person’s life affects so many others. In a similar vein, every application in an enterprise touches many
Use this code to explicitly send an exception to the JSP error page from a servlet: public void doPost(HttpServletRequest request, HttpServletResponseresponse) throws ServletException, IOException { … //Create your exception Exception
ecurity can be a complex and often overwhelming issue. To ensure application security, not only must you prevent hackers from entering the system, but you need code in place that
ith MIDP applications streaming into the marketplace, security is becoming more of a concern. What assurance does a user of a MIDP-capable device have that what they download will not
ou always want the software you write to have great performance. The reason isn’t shocking?users look to software to quickly and efficiently handle their workload. Often times, meeting this performance
his article describes some of the advantages that Wiki Web sites provide and how you can use ASP.NET and SQL Server to create your own Wiki. You’ll learn how to
ccording to the Neilson NetRatings of January 2003, Google is rated as the top search engine on the Web with a 29.5% share of the market followed by Yahoo and
ou’re wondering what happened with the bike ride from Los Angeles to San Diego after the PDC, aren’t you? For two months now, you’ve been expecting to see photos of
indows Forms applications often require some sort of asynchronous invocation option. You rarely want to block the user interface while a lengthy operation executes in the background. Windows Forms pose
‘m writing this editorial in early 2004. Yes this is the March/April issue but I see January out my window. Like many people, I made a new resolution for the
his past Christmas, my wife Joy asked me for a Roomba. For those of you who don’t know, Roomba is a miniature robotic vacuum cleaner that looks like a motorized
inding what you need in the Microsoft? Visual Studio? .NET documentation, which has over 45,000 topics, can be a daunting task. The Doc Detective is here to help, utilizing his
reat Windows applications have a consistent user interface. As users learn how to work with one form in the application, they can leverage that knowledge to work with other forms
lose your eyes and imagine a utopian world where client and/or department Web sites are easily deployed and the responsibility for content creation and modification is turned over to the
ave you ever wanted to manage processes in Win32 code? When it comes to this, there’s good and bad news. On the good news side, you can do virtually everything
s we all know, premature optimization is considered evil as it often entails eventually useless design complications and portability compromises. However, this doesn’t mean that healthy programming habits should be











