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  • UseConcMarkSweepGC verbose gc output shows memory drops

    - by user1864747
    I have an application for which I have enabled GC logging. The heap appears to grow then takes a sudden drop, but does not log a Full GC. If there some startup parameter that I can enable that will show me what GC event is reducing the heap size? My environment: Linux 64-Bit, java 1.6.0_31, Java HotSpot(TM) 64-Bit Server VM (build 20.6-b01, mixed mode) VM args: -server -Xms2560m -Xmx2560m -XX:+UseConcMarkSweepGC -XX:MaxPermSize=256m -XX:-PrintGC -XX: -PrintGCDetails -XX:-PrintGCTimeStamps -Xloggc:/xxxxx/gc.log -Dsun.rmi.dgc.client.gcInterval=86400000 -Dsun.rmi.dgc.server.gcInterval=86400000 3057.609: [GC 2397254K->2385777K(2619328K), 0.0572310 secs] 3058.898: [GC 2402801K->2391301K(2619328K), 0.0566620 secs] 3059.940: [GC 2408325K->2397156K(2619328K), 0.0534080 secs] 3059.995: [GC 2397265K(2619328K), 0.0069950 secs] 3065.635: [GC 2414180K->2404934K(2619328K), 0.0732700 secs] 3065.849: [GC 2419994K(2619328K), 0.1150630 secs] 3070.248: [GC 1593931K->1591825K(2619328K), 0.1084230 secs] 3072.440: [GC 1608552K->1606431K(2619328K), 0.0533140 secs] 3087.759: [GC 1623455K->1614544K(2619328K), 0.0215850 secs] What event is causing the heap to shrink between the output at 3065.849 and 3070.248? Is there a VM param that will log it? I tried adding -verbose:gc but that does not change the output.

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  • eclipse wont include/identify user .h files and .o files

    - by bks
    i'm new to eclipse CDT, and try to use an existing .o file that was supplied with the proper .h file. eclipse just wont include it in the compilation process. i tryed drag&drop to the eclipse project browser, and the files did show there, but no use, still "No such file: No such file or directory". i tryed defining the .o file in the: project properties tool settings MinGW C Linker Miscellaneous other objects. didn't work either. as for the header file, i did try a workaround: created a new file in the project and named it after the file i want to include as header, then copied the content. and yet, the compiler/linker didn't recognize the object file. perhaps you can help?thank you

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  • ASP.NET MVC: trying out a script injection hangs Visual Studio 2010 completely?

    - by Mark Redman
    Wondering if anyone has an idea of whats going on: I am new to ASP.NET MVC and am trying out a few things with jquery/ajax. The basic scenario is a dropdownlist with an add button next to it. Clicking the add button launches a jquery ui dialog with a textbox form, entering a value saves the item to the database and refreshes the drop-downlist. The dropdownlist is re-populated using a JSON result. This all works ok. I thought I would try a script injetion attack, ie add the text: alert("oh dear") to seee what would happen and to check if I need to encode anything. When I try and save this item (similar to the same process of adding a plain text entry) Visual Studio 2010 Beta 2 hangs completely. Any ideas? UPDATE: It happens when posting: "</"

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  • Warning vs. error

    - by Samuel
    I had an annoying issue, getting a "Possible loss of precision" error when compiling my Java program on BlueJ (But from what i read this isn't connected to a specific IDE). I was surprised by the fact that the compiler told me there is a possible loss of precision and wouldnt let me compile/run the program. Why is this an error and not a warning saying you might loose precision here, if you don't want that change your code? The program runs just fine when i drop the float values, it wouldn't matter since there is no point (e.g [143.08, 475.015]) on my screen. On the other hand when i loop through an ArrayList and in this loop i have an if clause removing elements from the ArrayList it runs fine, just throws an error and doesn't display the ArrayList [used for drawing circles] for a fraction of a second. This appears to me as a severe error but doesn't cause (hardly) any troubles, while i wouldn't want to have such a thing in my code at all. What's the boundary?

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  • What is the best way to maintain an entity's original properties when they are not included in MVC binding from edit page?

    - by kingdango
    I have an ASP.NET MVC view for editing a model object. The edit page includes most of the properties of my object but not all of them -- specifically it does not include CreatedOn and CreatedBy fields since those are set upon creation (in my service layer) and shouldn't change in the future. Unless I include these properties as hidden fields they will not be picked up during Binding and are unavailable when I save the modified object in my EF 4 DB Context. In actuality, upon save the original values would be overwritten by nulls (or some type-specific default). I don't want to drop these in as hidden fields because it is a waste of bytes and I don't want those values exposed to potential manipulation. Is there a "first class" way to handle this situation? Is it possible to specify a EF Model property is to be ignored unless explicitly set?

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  • Trying to modify a constraint in PostgresSQL

    - by MISMajorDeveloperAnyways
    Postgres is getting quite annoying lately. I have checked the documentation provided by Oracle and found a way to do this without dropping the table. Problem is, it errors out at modify as it does not recognize the keyword. Using EMS SQL Manager for PostgreSQL. Alter table public.public_insurer_credit MODIFY CONSTRAINT public_insurer_credit_fk1 deferrable, initially deferred; I was able to work around it by dropping the constraint using : ALTER TABLE "public"."public_insurer_credit" DROP CONSTRAINT "public_insurer_credit_fk1" RESTRICT; ALTER TABLE "public"."public_insurer_credit" ADD CONSTRAINT "public_insurer_credit_fk1" FOREIGN KEY ("branch_id", "order_id", "public_insurer_id") REFERENCES "public"."order_public_insurer"("branch_id", "order_id", "public_insurer_id") ON UPDATE CASCADE ON DELETE NO ACTION DEFERRABLE INITIALLY DEFERRED;

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  • changing validation group of button with javascript on client side

    - by haansi
    hi, In a form I have multiple group of controls which are grouped using validation group property. I want to assign validation group to asp.Button dynamically on client side using javascript on the base of item selected in drop down list. Here is JavaScript which I am using, but it is not working. It shows validation group undefined but actually a default group is defined. Please advice me. thanks <script type="text/JavaScript"> function NextClicked() { var _ddlStatus = document.getElementById("<%=ddl.ClientID%>"); var _selectedIndex = _ddlStatus.selectedIndex; var _btn = document.getElementById("<%=btnNext.ClientID%>"); alert(_btn.ValidationGroup); // here in messge it shows undefiend, yet I have defiend a group in button as default. if (_selectedIndex == 1) { _btn.ValidationGroup = "G1"; } else if (_selectedIndex == 2) { _btn.ValidationGroup = "G2"; } }

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  • using session library in CodeIgniter

    - by marcin_koss
    For some reason I'm heaving a tough time understanding how sessions in CI work. I would like to change the following part of the code to use CodeIgniter sessions rather than the way it's normally done in PHP. What would be the best way to do it? foreach($_POST['qty'] as $k = $v) { $id = (int)$k; $qty = (int)$v; $_SESSION['cart'][$id]['quantity'] = $qty; } Another question! While using CI session library, when a session has multidimensional structure, do I always have to drop session's content to an array first, before I can read the values I need?

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  • ASP.NET - DropDown DataBinding (Rebind?)

    - by Bob Fincheimer
    I have a drop down which has a method which binds data to it: dropDown.Items.Clear() dropDown.AppendDataBoundItems = True Select Case selType Case SelectionTypes.Empty dropDown.Items.Insert(0, New ListItem("", "")) Case SelectionTypes.Any dropDown.Items.Insert(0, New ListItem("ANY", "")) Case SelectionTypes.Select dropDown.Items.Insert(0, New ListItem("Select One", "")) End Select BindDropDown(val) The BindDropDown method simply sets the datasource, datakeyname, datavaluename, and then databinds the data. For a reason which I cannot avoid, I MUST call this method twice sometimes. When it is called twice, All of the databound items show up two times, but the top item (the one I manually insert) is there only once. Is ASP doing something wierd when i databind twice even though i clear the list between? Or does it have to do something with the viewstate/controlstate? EDIT__ The entire page, and this control has EnableViewState="false" EDIT___ The dropdown is inside a form view. After the selected value is set I have to rebind the dropdown just in case the selected value is not there [because it is an inactive user]. After this, the formview duplicates the databound items.

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  • How to load a database of countries in a web application

    - by lance_klusener
    Hello All, I am new to web application development, so sorry in advance if this question is too basic. The following are the details of the question: A] Platform being used -- google app engine with python, django. B] Tutorial link being used -- http://code.google.com/appengine/articles/djangoforms.html C] Question: In the application i am building, there is a drop down box which allows the user to select their country. Since the list of countries is above 200, i want to construct a database of the countries before the application loads. Once this application is deployed, i dont want the database to get re-loaded again, since the entries are constant for all the users. How does one achieve this ? thanks, Lance.

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  • How to get around circular references in Visual Studio Web Project?

    - by joebeazelman
    I am trying to create a set of WCF web services for an existing website that uses web site instead of a web application project. I would like to create a DLL that I drop into the Bin folder instead of writing all my code inside the App_Code directory. Ideally, I want to create a project and reference it from the web site, but I am running into a difficult situation. The DLL will need to reference configuration and other DLLs located inside the bin folder of the website causing a circular reference. How do I get around this issue?

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  • how to use TinyMCE(rich text editor) in google-maps info window..

    - by zjm1126
    this is the demo rar file:http://omploader.org/vM3U1bA when i drag the red block to the google-maps ,it will be changed to a marker, and it will has TinyMCE when you click the info window, but my program is : it can not be written when i click it the second time, the first time: the second time(can not be written): and my code is : <!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta name="viewport" content="width=device-width,minimum-scale=0.3,maximum-scale=5.0,user-scalable=yes"> </head> <body onload="initialize()" onunload="GUnload()"> <style type="text/css"> *{ margin:0; padding:0; } </style> <!--<div style="width:100px;height:100px;background:blue;"> </div>--> <div id="map_canvas" style="width: 500px; height: 300px;"></div> <div class=b style="width: 20px; height: 20px;background:red;position:absolute;left:700px;top:200px;"></div> <div class=b style="width: 20px; height: 20px;background:red;position:absolute;left:700px;top:200px;"></div> <script src="jquery-1.4.2.js" type="text/javascript"></script> <script type="text/javascript" src="tiny_mce.js"></script> <script src="jquery-ui-1.8rc3.custom.min.js" type="text/javascript"></script> <script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAA-7cuV3vqp7w6zUNiN_F4uBRi_j0U6kJrkFvY4-OX2XYmEAa76BSNz0ifabgugotzJgrxyodPDmheRA&sensor=false"type="text/javascript"></script> <script type="text/javascript"> var aFn; //********** function initialize() { if (GBrowserIsCompatible()) { var map = new GMap2(document.getElementById("map_canvas")); var center=new GLatLng(39.9493, 116.3975); map.setCenter(center, 13); aFn=function(x,y){ var point =new GPoint(x,y) point = map.fromContainerPixelToLatLng(point); //console.log(point.x+" "+point.y) var marker = new GMarker(point,{draggable:true}); var a=$( '<form method="post" action="" style="height:100px;overflow:hidden;width:220px;">'+ '<textarea id="" class="mce" name="content" cols="22" rows="5" style="border:none">sss</textarea>'+ '</form>') a.click(function(){ // }) GEvent.addListener(marker, "click", function() { marker.openInfoWindowHtml(a[0]); }); /****************** GEvent.addListener(marker, 'click', function() { marker.openInfoWindowHtml('<div contentEditable="true" ' + 'style="height: 100px; overflow: auto;">' + 'wwww</div>'); }); ***************/ map.addOverlay(marker); /********** var marker = new GMarker(point, {draggable: true}); GEvent.addListener(marker, "dragstart", function() { map.closeInfoWindow(); }); GEvent.addListener(marker, "dragend", function() { marker.openInfoWindowHtml("????..."); }); map.addOverlay(marker); //*/ } $(".b").draggable({ revert: true, revertDuration: 0 }); $("#map_canvas").droppable({ drop: function(event,ui) { //console.log(ui.offset.left+' '+ui.offset.top) aFn(event.pageX-$("#map_canvas").offset().left,event.pageY-$("#map_canvas").offset().top); } }); } } //********** $(".mce").live("click", function(){ var once=0; mce(); }); function mce(once){ if(once)return; tinyMCE.init({ // General options mode : "textareas", theme : "advanced", plugins : "safari,pagebreak,style,layer,table,save,advhr,advimage,advlink,emotions,iespell,inlinepopups,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras,template", // Theme options theme_advanced_buttons1 : "bold,forecolor,|,justifyleft,justifycenter,justifyright,|,fontsizeselect", theme_advanced_buttons2 : "", theme_advanced_buttons3 : "", theme_advanced_buttons4 : "", theme_advanced_toolbar_location : "top", theme_advanced_toolbar_align : "left", theme_advanced_statusbar_location : "bottom", theme_advanced_resizing : true, // Example content CSS (should be your site CSS) content_css : "css/example.css", // Drop lists for link/image/media/template dialogs template_external_list_url : "js/template_list.js", external_link_list_url : "js/link_list.js", external_image_list_url : "js/image_list.js", media_external_list_url : "js/media_list.js", // Replace values for the template plugin template_replace_values : { username : "Some User", staffid : "991234" } }); once=1; } //********** </script> </body> </html>

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  • Starting with Liferay and a bit overwhelmed with how to begin

    - by hairbymaurice
    Hello I would like to start developing a lifeRay theme and am a little bit lost! I am a Mac user and i have installed liferay and also Xcode but i am not clear how to begin. I have downloaded the SDK for liferay but i do not understand how to install it or use it for that matter, so questions: Is Xcode an appropriate development environment to work with or is something else a little easier to get on with? Does Xcode build in the same way ANT does? How do i install the SDK? Do i just drop it into Tomcat and away i go? Yes i am very new to all this!! I am not actually sure if i am asking the right questions

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  • Trouble dragging and dropping gui components onto other .net forms using NHibernate

    - by IsaacB
    Hi, using VS2008, here. I have a GUI component that loads some stuff from a database mapped by nhibernate in its constructor. When I drag and drop this component onto another form from the toolbox, NHibernate complains that it can't find the config file in program files\visual studio 9\common7\ide. Why is it looking here for the cfg file? I'm actually calling database stuff through another project in the same solution, and the cfg file is located at the root of that project. copy/pasting the cfg file over to there does work, but I'm working with svn here and I don't want to have configuration files outside the repository. Something else that would help would be turning off how it tries to load the data in the form design screen. How would I do that?

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  • Memory leak with ContextMenuStrip

    - by Dave
    I'm creating a lot of custom controls and adding them to a FlowLayoutPanel. There is also a ContextMenuStrip created and populated at design time. Every time a control is added to the panel it has its ContextMenuStrip property assigned to this menu, so that all controls "share" the same menu. But I noticed when the controls are removed from the panel and disposed of, the memory in use in Task Manager doesn't drop. It rises around 50kB every time a control is created and added to the layout panel. I downloaded the trial of .NET Memory Profiler and it showed there were references to the menu strip hanging around after the controls were disposed. I changed the code to explicitly set the ContextMenuStrip property to null before disposing of the control, and yep, the memory is now released. Why is this? Shouldn't the GC clean up this type of thing?

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  • jQuery Dropdown

    - by Phil
    I've been able to make a jQuery drop down, however, I can't make it stay expanded when one of the child links is rolled over. Code: <li> <a onmouseover="$('.dropdown-1').slideDown('medium');" href="/hosting">Why Veoloo</a> <ul class="dropdown-1"> <li onmouseout="$('.dropdown-1').slideUp('medium');"><a href="#">The Reasons (15)</a></li> <li onmouseout="$('.dropdown-1').slideUp('medium');"><a href="#">Customer Testimonials</a></li> <li onmouseout="$('.dropdown-1').slideUp('medium');"><a href="#">Our Support Scope</a></li> </ul> </li>

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  • Session troubles when used on BT hosting

    - by YsoL8
    Hello I have developed a site for a client with a pre-existing BT hosting package. Since going live there has been a problem where $_session loses it's data between pages. I have previously fixed the problem, but somehow it has become unfixed. Last time this problem happened, my research indicated that there is something funny with BT's setup when using sessions, and that article provided this code: if(ini_get('register_globals') == 1) if(is_array($_SESSION)) foreach(array_keys($_SESSION) as $var_to_kill) unset($$var_to_kill); Which even though it looks broken to me, did in fact reduce the problem to a very low level. (i.e one drop out a day). However, today my client is in touch again and surprise surprise, the problem is back. Does anyone know of a solution? (My client has already stated they will not change hosts!) Oliver

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  • Watir question regarding selecting a hidden dropdown.

    - by AJ
    Hi, I have two dropdowns, the second dropdown does not show until a choice is made from the first one. Using watir, i can select the first dropdown, and when i watch it, the second one becomes active, but it cannot select it. i just tried the regular select_list using name and id. Here is the code for the second drop down. <td> <input type="hidden" value="1" name="list" id="list"> <script type="text/JavaScript" language="JavaScript"></script> <select> <option value="">1</option> <option value="2">2</option> <option value="3">3</option> </select> </td> I've also notice the value for the hidden field change as i select different options. Thanks for any help

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  • Xcode/Interface Builder Mac App Development

    - by user1459546
    Well i want from the drop down menu(Menu Item List) one item to be working as an link, to open an url/website in safari - thats it. When this is so simple, why no one come up with a clue here - I tried many different ways in Xcode, with Apple Xcode Samples... i think i need an AppDelegate.m, drag or link some parts, get actions... i failed to get it going somewhere - now i'm lost. Any advice/help/link/tip would be much appreciate to solve this "simple" issue... Using Xcode/Interface Builder 3.2.6 - Please help or i go totally mad, insane and i will crash my f...ing mac right now - Thanks

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  • Changing color of a row in dropdown list

    - by Judy
    is it possible to change "selector" color in drop-down list? <select name="select" style="background-color: #ff0000"> <option style="background-color: #ff0000" value="1">Red</option> <option style="background-color: #ffffff" value="2">Green</option> <option style="background-color: #0000ff" value="3">Blue</option> </select> I tried in above style but it didn't worked. I know with javascript getting document.getElementById('text').style.color='red' can set the color. But is it possible in html to set the colors?

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  • how to integrate Zend Framework MVC with existing site

    - by Joel
    Hi guys, So I'm slowly tackling OO and Zend Framework and their MVC process in particular. I have an existing website and web-based calendar application that was designed by me, but coded by a different person and done procedurally. I understand that it will be very difficult for my application to ever be completely OO without a full re-write, and I'm fine with that. I have a lot of updates and modifications I want to do in the future, so I'm wanting to start replacing some of the basic components (login, authentication. etc) now, and continue to learn as I go. Again, I'm really a newbie at programming and OO. What I'm wondering is if I'm wanting to incorporate the Framework, then would I just first drop my whole site into the /public folder of the Framework and then start pulling functionality out from there?

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  • CSS overflow : list in a div

    - by Felicita
    I have an image gallery and I dont want give an extra class to third list item: <div class="row"> <ul class="rowUl"> <li>ssss</li> <li>ssss</li> <li>ssss</li> </ul> </div> and css .row { width: 620px; clear: both; overflow: hidden; } .rowUl { width: 645px; float: left; } .rowUl li { width: 220px; float: left; } but the third list item drop in other row. How can I solve this without extra class?

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  • Updating Many-to-Many relationship with LinqToSQL

    - by Noffie
    If I had, for example, a Many-to-Many mapping table called "RolesToUsers" between a Users and an Roles table, here is how I do it: // DataContext is db, usr is a User entity // newUserRolesMappings is a collection with the desired new mappings, probably // derived by looking at selections in a checkbox list of Roles on a User Edit page db.RolesToUsers.DeleteAllOnSubmit(usr.RolesToUsers); usr.RolesToUsers.Clear(); usr.RolesToUsers.AddRange(newUserRolesMappings); I used the SQL profiler once, and this seems to generate very intelligent SQL - it will only drop the rows which are no longer in the mapping relationship, and only add rows which did not already exist in the relationship. It doesn't blindly do a complete clearing and re-construction of the relationship, as I thought it would. The internet is surprisingly quiet on the subject, and the query "LinqToSQL many-to-many" mostly just turns up articles about how the LinqToSQL data mapper doesn't "support" it very well. How does everyone else update many-to-many with LinqToSQL?

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  • Need help optimizing MYSQL query with join

    - by makeee
    I'm doing a join between the "favorites" table (3 million rows) the "items" table (600k rows). The query is taking anywhere from .3 seconds to 2 seconds, and I'm hoping I can optimize it some. Favorites.faver_profile_id and Items.id are indexed. Instead of using the faver_profile_id index I created a new index on (faver_profile_id,id), which eliminated the filesort needed when sorting by id. Unfortunately this index doesn't help at all and I'll probably remove it (yay, 3 more hours of downtime to drop the index..) Any ideas on how I can optimize this query? In case it helps: Favorite.removed and Item.removed are "0" 98% of the time. Favorite.collection_id is NULL about 80% of the time. SELECT `Item`.`id`, `Item`.`source_image`, `Item`.`cached_image`, `Item`.`source_title`, `Item`.`source_url`, `Item`.`width`, `Item`.`height`, `Item`.`fave_count`, `Item`.`created` FROM `favorites` AS `Favorite` LEFT JOIN `items` AS `Item` ON (`Item`.`removed` = 0 AND `Favorite`.`notice_id` = `Item`.`id`) WHERE ((`faver_profile_id` = 1) AND (`collection_id` IS NULL) AND (`Favorite`.`removed` = 0) AND (`Item`.`removed` = '0')) ORDER BY `Favorite`.`id` desc LIMIT 50;

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  • Parse XML with XPath & namespaces in Java

    - by ripper234
    Can you help me adjust this code so it manages to parse the XML? If I drop the XML namespace it works: String webXmlContent = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<foo xmlns=\"http://foo.bar/boo\"><bar>baz</bar></foo>"; DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance(); domFactory.setNamespaceAware(true); DocumentBuilder builder = domFactory.newDocumentBuilder(); org.w3c.dom.Document doc = builder.parse(new StringInputStream(webXmlContent)); NamespaceContextImpl namespaceContext = new NamespaceContextImpl(); namespaceContext.startPrefixMapping("foo", "http://www.w3.org/2001/XMLSchema-instance"); XPath xpath = XPathFactory.newInstance().newXPath(); xpath.setNamespaceContext(namespaceContext); XPathExpression expr = xpath.compile("/foo/bar"); Object result = expr.evaluate(doc, XPathConstants.NODESET); NodeList nodes = (NodeList) result; System.out.println("Got " + nodes.getLength() + " nodes");

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