he web is experiencing a rapid trend towards AJAX and rich Internet applications (RIAs). With AJAX as a tool for RIAs, developers can now deliver much richer content over the web and produce much more sophisticated user experiences. At the same time, a lot of frameworks that hide the inherent
public void contextDestroyed(ServletContextEvent e) { //get the servlet context ServletContext servletContext = e.getServletContext(); //get the real path String root = servletContext.getRealPath(“/”); //get all handlers Handler[] handlers = logger.getHandlers(); //remove all handlers for(int i = 0; i < handlers.length; i++) { logger.removeHandler(handlers[i]); handlers[i].close(); } //delele all the files related to the
The following function returns the part of the passed string that matches the regular expression provided. You can use this function to get the necessary data from fields in a form, etc. The function takes three parameters: the string to validate, the regular expression, and the grouping pattern that you
While porting a 32-bit application to a 64-bit version, I discovered an interesting effect. The original code used negative array indexes frequently, which worked fine on a 32-bit machine, but caused some horrible results on a 64-bit machine. This tip explains the problem: Many books that discuss negative array indices