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Compare Text in 2 files and write the difference in a new file

Here I am reading 2 files, first file data is added to list.second file data is added to another list.Then converting 2 list to 2 Hashset. Then i am removing 1st hashset from the 2nd one.In this process all the common string will get removed and the new Hashset will have the difference data. /**  * Getting 2 text files with single column data in each, need to find out the difference and write the difference between the 2 files to a new file.  */ public class CompareTwoFiles { public static List readcsv(String filename) { List l=new ArrayList(); String tempstr = ""; String dataStr = ""; int rownum = 0; try { BufferedReader br = new BufferedReader(new FileReader(filename)); try { String line = ""; while ((line = br.readLine()) != null) { l.add(line); // System.out.println(dataStr); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace();

Capture AJAX response and assign to a variable using JQUERY

function checkforduplicateempname(){  var message=true;  /*Assigning AJAX response to a javascript variable*/  var empId = $.ajax({    url: 'checkforduplicateempname.relay',    data: oMyForms,    cache: false,    contentType: false,    processData: false,    global: false,    async:false,    type: 'POST',    success: function(data){     return data;        },error:function(){     $("#empname").notify("Unable to check for duplicate title.","error");        } }).responseText; //end of ajax capturing the response     if(empId!='0'){     $("#empaname").notify("Duplicate Title.","error");     message=false;     } return message; }//end of function

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

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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");