How to examine the amount of free memory in java 

Runtime runtime = Runtime.getRuntime();
System.out.println ("Free memory : " - + runtime.freeMemory() );







































Comments











Post a Comment



















Popular posts from this blog










Spring MVC- Redirect from one controller to another





















In spring mvc its very easy to redirect from one controller to another controller    Example :   @Controller  @RequestMapping("/springcontroller1")  public class SpringController1{  }     @Controller  public class SpringController2{   //thinking of redirecting on clicking on a method  @RequestMapping(value = "/SpringController2cancel.abc", method = RequestMethod.POST, params = "action=cancel")      public ModelAndView cancel(@ModelAttribute("MyForm") MyForm myForm, BindingResult errors,SessionStatus sessionStatus,HttpServletRequest request) throws MyException {          ModelAndView modelAndView = new ModelAndView();                   sessionStatus.setComplete();          //redirecting to controller1          return new ModelAndView("redirect:/springcontroller1.abc");        }   }








Read more










How to retain the space of the td after hidding it in Jquery




















Image







  If you use the following code snippet to hide and show tds- the UI will get disturbed.  The next corresponding td will get shifted to the hidden td space.     var tablevar="#"+myTable;   $(tablevar+' tr:eq('+i+')').find('td:eq(3)').show();       $(tablevar+' tr:eq('+i+')').find('td:eq(2)').show();   So how to retain the td space and still achieve the functionality.  use the this code snippet.     var tablevar="#"+myTable;  $(tablevar+' tr:eq('+i+')').find('td:eq(3)').css("visibility", "hidden");   $(tablevar+' tr:eq('+i+')').find('td:eq(2)').css("visibility", "hidden");    $(tablevar+' tr:eq('+i+')').find('td:eq(4)').css("visibility", "visible");     








Read more