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Victor Rasputnis

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Top Stories by Victor Rasputnis

Browser-based applications are widely used and we like the fact that we can access them from anywhere. But from the users' perspective, the productivity level of Web applications still doesn't approximate the productivity of desktop programs. The good news is the gap is closing: the accumulated potential of multiple technologies has boosted a whole new breed of HTML-based apps that are as powerful as the desktop ones. Meet AJAX. What Is AJAX? The name stands for Asynchronous JavaScript + XMLHTTPRequest and means you can establish socket communication between browser-based JavaScript and the server. AJAX isn't a new technology. It's a successful branding of possibilities implanted in several technologies available in modern browsers. All AJAX applications deliver a rich UI via extensive JavaScript manipulation of the HTML Document Object Model based on the precision-p... (more)

Flex Best Practices: DTO is the Horseshoe of your Flex Application

Remember this old little rhyme? For want of a nail, the shoe was lost; For want of the shoe, the horse was lost; For want of the horse, the rider was lost; For want of the rider, the battle was lost; For want of the battle, the kingdom was lost; And all for the want of a horseshoe nail. This little poem often comes to my mind as a see increasing number of amateurs perceiving Flex as yet another "library of controls".  The fact is, it is very easy to start coding in Flex. So much that hot-heads get on the coding spree before noticing that Flex is a beautifully crafted framework with pro... (more)

Using Custom Type Marshallers in BlazeDS

I'd like to use this opportunity and invite Flex developers living in Europe to attend our Advanced Flex Master Class in Brussels, Belgium on March 1 and 2, 2010. In my previous post I pointed to the BlazeDS classes that need to be replaced in order to prevent ActionScript Number.NaN from turning into Long or Integer zeroes on the MessageBroker side. The recommendation boiled down to re-jaring flex-messaging-core.jar or placing the modified classes somewhere earlier in the application server's classpath. If neither option is allowed, you may configure your endpoint with the cust... (more)

Converting Your Client/Server Applications to the Internet

IT projects closely follow the path of technology. .For example, the number of Java/XML/HTML projects is increasing, replacing PowerBuilder or VisualBasic systems developed just a few years ago. And developers are asking themselves the question: Do I have to write the same app from scratch? Again? Integrating existing systems developed in previous millennium environments with the Internet is a costly and difficult task. The other approach would be to "convert" existing applications to native Internet technologies. Sound complex? It's not. Legacy systems contain rich metadata, altho... (more)

Developing Intelligent Web Applications With AJAX (Part 2)

The publicity that AJAX grabbed over the last half a year is based on closing the gap between the Web applications and the desktop applications, combining the "reach" and "rich." At the same time, the gap between the technological level of AJAX and what corporate developers expect in their modern arsenal is really astonishing. After all, AJAX is neither a tool nor a platform. There is no AJAX standards committee or community process in place. While software vendors are crafting proprietary development platforms on top of AJAX (which pretty much means "from scratch"), early adopte... (more)