They make up the cardiac pacemaker, that is, the natural pacemaker of the heart. In most humans, the concentration of pacemaker cells in the sinoatrial (SA) node is the natural pacemaker, and the resultant rhythm is a sinus rhythm. Sometimes an ectopic pacemaker sets the pace, if the SA node is damaged or if the electrical conduction system of the heart has problems.
Lobo is an extensible all-Java web browser and RIA platform. It supports HTML 4, Javascript (AJAX) and CSS 2 plus direct JavaFX and Java (Swing/AWT) rendering. Cobra is the web browser's renderer API; also a Javascript-aware HTML parser.
Flash, Silverlight and Java in their products, developers of applications that rely on the. Java browser plugin need to consider alternative options. Java developers currently relying. on browser plugins should consider migrating from Java Applets to the plugin-free Java. Web Start technology. Supporting Java in browsers is only possible for as long as browser vendors are. committed to supporting standards based plugins.