class-based, object-oriented,[15] and specifically designed to have as few implementation dependencies as possible. It is intended to let application developers 'write once, run anywhere' (WORA), meaning that compiled Java code can run on all platforms that support Java without the need...
ASP.NET AJAX employs forms authentication, meaning that the user is logged in when a valid forms authentication cookie is inserted into the browser's session by the Web server. The manner by which the cookie data is inserted into the session in ASP.NET AJAX is the same as it would be vi...
Conceptually, as far as the AJAX-related mappings go, only theajaxPostMessagemapping is really an “input” mapping, meaning it is the only one that uses anActionForm. No validation is performed on it, as per the mapping configuration. The last item in struts-config.xml is the message reso...
Note: Internet Explorer will cache the XML response and use it for future requests meaning that the output never changes. Look further down the page for a description of the solution. Other browsers normally make a new request each time.Any...
In the case of AJAX applications, bookmarking has different meanings depending on your specific application, usually meaning that you need to save state somehow (think about how this happens with desktop applications—there’s no bookmarking there). Search engines may not be able to index all ...
Refer to the section "Forces" in RESTful Service. Solution Expose web services as Remote Procedural Calls (RPCs). Like REST, RPC is a broad term. It’s somewhat ambiguous too, meaning different things to different people. This pattern uses a fairly general definition—a Remote Procedural Call...
Here we are making use of an aggregate SQL function calledCOUNT(). This is aGROUP BYfunction – meaning that it will group the selected rows together to provide a single row. In this case it provides a sum total of all selected rows as an integer. ...
The two requests need the same input—the customer ID—and both are read-only, meaning there is no danger of interfering with the status of the back-end database. Nevertheless, these two calls can't run concurrently in a partial-rendering page because partial rendering is based on ...
When the user clicks the Cancel button shown in Figure 1, the page request manager aborts the current request through its abortPostBack method. The page request manager is a singleton object, meaning that all calls are conveyed to just one instance. The reason this is so is tightly related ...
Fortunately, the web site monitors mouse movements, meaning that if she doesn’t interact with the page for an hour, it will suspend itself, saving a lot of wasted refreshes. On Monday morning, Tracy walks in and sees a screensaver-like animation in the browser, with a message indicating ...