Friday, 19 December 2014

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Wednesday, 25 July 2012

Filling Html Data From Sever Into Html Element Using Ajax And Spring MVC 3.0


//placed this code in controller in controller
@RequestMapping(value = "/show.htm")
protected ModelAndView showStudent(@RequestParam("id") Long studentId,HttpServletRequest request,HttpServletResponse response) throws Exception {
         System.out.println("inside ajax");
       //getting Student Object From Database using StudentDao
        Student student = studentDao.getStudent(studentId);
     
      //createing ModelAndView Object
      ModelAndView modelAndView = new ModelAndView("show");
 
// putting student Into the model for used into the show page
      modelAndView.addObject(student);
return modelAndView;
   }


//put this code in jsp within script tag
function viewStudent(studentId)
    {
            //create ajax object using jquery or prototype or mootools or javascript
        //here we use jquery
    $.ajax({
         url:'show.htm',
         data:({id : studentId}),     //parameter passed ti the controller
        success:function(data){   // callback function after the request is completed
 $("#studentViewDiv").html(data);

            // 'studentViewDiv' is the target div
            // where we want to display our response
}
   });
 }
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Friday, 20 July 2012

Disabling AutoSaving Of Object Into Database In Grails.

----------------------------------------------------------------

In Grails if we get object from database and change it's properties then the persistence context save that object to database.

This Condition would not applied for newly created object.

........................Solution.....................

discard

Purpose :- it discards changes that are made persistence.

def student =Student.get(1)student .name = "Ankit"
student.discard() // changes won't be applied now

Description

Discard is same as Hibernate's evict method .
Discard inform persistence that changes are not saved into the database.

  



Tuesday, 10 July 2012

Applying Float Left Or Float Right Style Using Javascript



For Float Left
var element = document.getElementById('Element Id');
element.style.cssFloat= "left" ;
element.style.styleFloat= "left" ;

Monday, 26 March 2012

Mootools and Jquery Conflict 

Mootools and Jquery works based on $ ...
 And actually mootools and Jquery have no any conflict.
 But u can not use Prototype and Mootools together .. 

Tuesday, 3 January 2012

Change value of Element in IFRAME using javascript....

  var IframeID=document.getElementById("myIFrame");
     var eyeframedoc;
           eyeframedoc = IframeID.contentWindow ? IframeID.contentWindow.document: IframeID.contentDocument;
     eyeframedoc.getElementById("elementInsideInIframe").value="any value";

Create print view using javascript to print perticular div

<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
    <script type="text/javascript">     
       function PrintDiv() {    

          var divToPrint = document.getElementById('divToPrint');
          var popupWin = window.open('', '_blank', 'width=300,height=300');
          popupWin.document.open();
          popupWin.document.write('<html><body onload="window.print()">' + divToPrint.innerHTML + '</html>');
           popupWin.document.close();
               }
    </script>
  </head>
       <body >
               other contents
           <div id="divToPrint" >
              <div style="width:200px;height:300px;background-color:teal;">
                 This is the div to print
               </div>
           </div>
           <div>
               <input type="button" value="print" onclick="PrintDiv();" />
           </div>
       </body>
</html>

Perm Gens space in IntelijIDEA

go to  > Edit Configuration >

put this line into a vm parameter

-XX:MaxPermSize=128m -XX:PermSize=128m -Xms1024m -Xmx1024m -XX:-UseGCOverheadLimit