http://it.sys-con.com/ Latest articles from Craig Caulfield en Copyright 2009 Fri, 09 Jan 2009 00:38:55 EST http://backend.userland.com/rss 10 http://it.sys-con.com/node/204711 In concurrent programming, exclusion refers to any technique that dynamically locks certain blocks of code so multiple threads can't corrupt their shared resources in ways that can cause integrity problems. In Java, exclusion has meant using the synchronized keyword against a method or block of code to control access to an object's lock.<p><a href="http://it.sys-con.com/node/204711" target="_blank">read more</a></p> Fri, 21 Apr 2006 14:00:00 EDT http://it.sys-con.com/node/204711 http://it.sys-con.com/node/190433 HTML forms are one of the best-known techniques for gathering data from a user and submitting that data to a server. However, HTML forms are only simple tools and don't natively support some of the features needed by current Web applications such as sophisticated data validation. Also, the user interface created by HTML forms is essentially hard coded for one device, meaning the same form can't be easily re-tasked for, say, PDAs or mobile phones.<p><a href="http://it.sys-con.com/node/190433" target="_blank">read more</a></p> Mon, 06 Mar 2006 14:45:00 EST http://it.sys-con.com/node/190433