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.
Save a round trip to the database when a keyed item is selected from any list type. This example uses a combobox, but any type of list control that accomodates
arket trends are a dominant factor in the evolution of IDEs. 15 years ago, syntax highlighting and extensive online help were all the rage; in the late 1990s, it was
ike most DevX readers, anticipating change is an important part of my job. As a software developer and system architect, it is particularly important that I make sure our middle-tier
any view Web services as the backbone to a new generation of cross-platform, cross-language distributed computing applications. In fact, Sun defines Web services as “a well-defined, modular, encapsulated function used
One way to enhance a Web DataGrid’s appearance is to alternate the background color of the row. This requires only two lines of code. For example, to display an even
Doclet is a code generation engine that enables a concept known as Attribute-Oriented Programming. To use XDoclet, a programmer adds metadata (attributes) for classes and methods within the JavaDoc for
ainsoft’s Visual MainWin is a revolutionary product that allows you to develop applications in C# and deploy and run them on J2EE application servers (for a detailed review, click here).
There are times when sorting your resultset by the primary key doesn’t accomplish what you need. One way to get around this is to create a sortable column dynamically in
Put this code in a BAS Module: Public Const INVALID_HANDLE_VALUE = -1Public Const MAX_PATH = 260Public Type FILETIME dwLowDateTime As Long dwHighDateTime As LongEnd TypePublic Type WIN32_FIND_DATA dwFileAttributes As Long
Use the following code to change the private variable outside of a member function definition: class test{int x;public:test():x(0){}int& getx(){return x;}};int main(){test t(10);cout
Use the following code to give your Java app a Windows look and feel: UIManager.setLookAndFeel(“com.sun.java.swing.plaf.windows.WindowsLookAndFeel”); Ensure the class “com.sun.java.swing.plaf.windows.WindowsLookAndFeel” isin your jvm bootstrap classpath. Mostly it can be found in
ou may never have heard of it, but HTML Tidy isn’t new. HTML Tidy is a once-free but now open source application. It was originally written in C as a
lot of ugly things can happen in the early morning hours when you are frantically trying to meet a deadline. For example, your mind can falter for a split second
hough there were no big surprises and no major announcements, VSLive! San Francisco was notable this year for several reasons. First, despite the dismal economy, the conference was full, showing
uch of the buzz surrounding the release of SQL Server Yukon seems to be about its new integration with the CLR. However, there are plenty of other worthwhile features in
Sometimes you need to know if is a specific instance of an object, is the one you’re looking for.objptr() provides a nice VB-ish way to compre object pointers. So, you
ecently my company, Desaware, decided to release the source code for our component products?and in doing so found ourselves suddenly directly involved in the open source vs. closed source debate.
JDK 1.3 introduced the addShutdownHook() method to the java.lang.Runtime class. Implementing a shutdown hook is useful if you need to take some action right before your app stops running. To
ometimes, deciding on a color scheme for a site is more of a problem than is implementing it. I’ve sat on committees intended to design Web sites by consensus and
hese days, using sophisticated application frameworks to build your network server applications is understandable, but sometimes such frameworks are overkill. When you strip networking down to its bare essentials, network
e’re all familiar with commerce sites that help users find the nearest store location to a specific ZIP code. Our browsers routinely cough up maps and driving directions to business
ver heard this story? Developer meets company, company meets developer, they fall in love. Together, they develop a ColdFusion application of great beauty, bound to last forever. But soon developer
p until now, the heart of a Web page was HTML, but that’s changing; HTML is simply not flexible enough to meet modern Web development needs. The element, for example,
f complexity truly breeds insecurity, your perimeter security can’t be trusted to only the traditional defenses of firewalls and intrusion detection systems (IDS) anymore. Web services, network interconnectedness, wireless connectivity,
The following is a powerful UNIX command that searches for files or folder names containing a particular pattern:1 $>grep -l “main(String” `find . -name *.java -print` This particular code will
There are times you don’t want your output to be cached on browsers. For instance, when a user is viewing their account balance, you want the data to be retrieved
The failure to deallocate previously allocated memory is known as a memory leak. A memory leak is one of those hard to detect bugs, and it may cause unpredictable behavior
Naming variables has a major effect on how hard it will be for a person to follow the code, whether it is the same person who wrote it or someone
Here’s an example: Code For Balance Class——————————————————————————–// Demo class for User-Defined Exceptions To Ensure The// Validity of Data Contained In A Classimport java.io.*;public class Balance{ int bal; public Balance(){ }
This small routine creates a link from all the tables of one .mdb file to another. First, you need to select reference ‘Microsoft ADOX’, your available version. Private Sub CreateLinkTables()
