JQuery ajax can't find elements in returned HTML

Programmer Question

I have a simple

$.ajax({
 url: someUrl, 
 method: 'get',
 dataType: 'html',
 success: function(data) { 
            $('#someId').append($(data));
          } 
 });

The problem is I can't find elements simply within the returned data. If there's an input with id="myInput" I can't get it with $('#myInput') or $('input[id=myInput]'). I CAN find it with:

$('input').each(function(i,e){ if($(e).attr('id') == 'myInput'){ doStuff(e); } });

But who wants to do that each time? I saw this question but the solutions provided didn't work for me. In addition to what's up there I've tried

$('#someId').html(data);
$(data).appendTo($('#someId'));

and I'm using jQuery 1.4.2. Thoughts, suggestions?

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adding on ?v=1 to urls

Programmer Question

As seen in the code from http://html5boilerplate.com/ (ctrl+f "?v=1")
What does ?v=1 do exactly? It's tacked on to the external css and js urls.

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XML to XLS using java

Programmer Question

How can I map the metadata to data. For example I only want LastName and Email from the xml file into the xls file. How can I select LastName and email from xml file and convert that into two column XLS file columns being Lastname and email. Thank you

XML Document

    
        
        
        
        
        
        
        
    
    
        
            XXX
            xxxx
            xxx
            xxx
            xxx
            xx
            xx
        
        
            xxy
            xx
            xx
            xx
            xx
            xx
            xx
        
    

Find the answer here