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.
Question: Is it possible to send an object over a socket connection in Java? Answer: Objects can be transmitted over a socket connection in the same way that they are
Question: What is delegation and how can I use it? Could you please give an example of a simple delegation technique? Answer: Delegation is a technique where one object directly
Question: I am new to JavaScript, but familiar with a variety of other languages. I don’t quite understand what the following variable declarations do: ns4 = (document.layers)? true:falseie4 = (document.all)?
Question: I’m working for a local newspaper, and we are writing a survey to see the type of technology our viewers are currently using to access the site. Is there
Question: Is there a way to prevent users from using the VIEW/SOURCE to view the HTML in my pages? I need to have this for a form that uses sensitive
Question: In the current Web project I have been working on, I have some links on my page which execute a JavaScript function. With this JavaScript function, I open up
Question: I’m opening a file for reading, and after reading its contents I write it all to other file. Now I want to delete the original file. How do I
Question: Is there code to reload a whole page when it is resized? The page with the layers is nested in a frame which is opened in other page. When
Question: How can I get out the value of a blob to print out on a web page using Java? I am using a cursor to get out all the
Question: Is Java platform-dependent where the case sensitivity of filenames is concerned? In Unix, filenames are case sensitive whereas in Windows they are not. How does it work when Java
Question: How can I dynamically load a class and call its constructor which has a primitive data type as one of its parameters? Answer: Using reflection to dynamically instantiate a
Question: Is the JDBC Connection class thread safe? In other words, can a connection be shared between multiple threads without using synchronization? Answer: java.sql.Connection is actually an interface and not
You can determine whether an Access table or query, accessed via RECORDSET OBJECT, contains any record by examining the boolean type BOFand EOF propertyof that RECORDSET OBJECT. If the RECORDSET
Question: Can we exchange data between Visual Basic and Microsoft Project? If so, what is the object model for Microsoft Project? Answer: The MS Project object model is as large
Question: I have an existing .exe file that creates files, archives, and restores. I need to find out how to edit that existing program so as to update some changes.
Question: I need to convert this fairly simple VBScript to a JavaScript? The purpose of the script is to cause a posted seminar event to disappear after the date of
Question: Everybody knows the meaning of public, private, and protected blocks in a class interface. While browsing through a KDE program I found two other block types: signals and public
Question: I am having problems calling the FileSytemObject from VB6. “Dim x as New FileSystemObject” does not work. I have tried the Active Server Pages Obj lib and ADO 2.0
Question: In writing a basic introductory module about C++, I came upon the topic of “instant variable creation” within for loops and noticed to my dismay that the following code
uccess in understanding and developing Web services can mean the difference between keeping and losing your IT job. The good news is that there are successful, time-tested models of development
Which AJAX Library Is Right for Me? 12/05/06 Free AJAX libraries are multiplying like bunnies in the spring. Here’s some guidance to help you sift through the dozens of options
DevX is pleased to conclude its special enterprise report on Java. Part III of our series includes a candid two-part feature by analyst and author Andrew Binstock on the increasing
Java/.NET Interop: Bridging Muddled Waters Check your politics at the door. Java and .NET can coexist in your application environment, saving you time and money over rewriting apps to fit
The Road to Ruby Does the Ruby programming language offer enough power and elegance to make it a legitimate alternative to the current heavyweight languages? Many Ruby converts believe so,
A New Era for Rich Internet Applications Recent tool releases from prominent vendors offer designers and developers a variety of new and upgraded technologies for reshaping the design, implementation, and
Vista’s Bounty: Eight Suprising Features Take You Beyond .NET 3.0 There’s a lot more to Vista than the .NET 3.0 framework. The new OS offers interesting and useful new features
Recognizing the impact virtual machines can have on the application development process, DevX has compiled a comprehensive special report that helps you understand and evaluate the available virtualization solutions and
C++0x: The Dawning of a New Standard It’s been 10 years since the first ISO C++ standard, and 2009 will bring us the second. In this special report, DevX delves
Even though chip clock speed has stopped its year-by-year improvement, today’s multicore chips can provide dramatic improvements in application performance?but you have to alter your code to take advantage of
Field Guide to the Mobile Development Platform Landscape Get complete reviews of all the leading mobile development platforms: Android, BlackBerry, iPhone, Windows, webOS and Symbian, as well as the top











