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Detection of page refresh / F5 key in ASP.NET MVC 2

- by Michael

How would one go about detecting a page refresh / F5 key push on the controller handling the postback? I need to distinguish between the user pressing one of two buttons (e.g., Next, Previous) and when the F5 / page refresh occurs. My scenario is a single wizard page that has different content shown between each invocation of the user pressing the "Next" or "Previous" buttons. The error that I am running into is when the user refreshes the page / presses the F5 key, the browser re-sends the request back to the controller, which is handled as a post-back and the FormCollection type is used to look for the "submitButton" key and obtain its value (e.g., "Next," "Send"). This part was modeled after the post by Dylan Beattie at http://stackoverflow.com/questions/442704/how-do-you-handle-multiple-submit-buttons-in-asp-net-mvc-framework. Maybe I'm trying to bend MVC 2 to where it isn't meant to go but I'd like to stay with the current design in that the underlying database drives the content and order of what is shown. This allows us to add new content into the database without modifying the code the displays the content. Thanks, Michael

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Error loading contents from a XML file into a dropdownlist

- by Chaitanya

private void BindCountry() { XmlDocument doc = new XmlDocument(); doc.Load(Server.MapPath("countries.xml")); foreach (XmlNode node in doc.SelectNodes("//country")) { usrlocationddl.Items.Add(new ListItem(node.InnerText, node.Attributes["codes"].InnerText)); //ddlCountry.Items.Add(new ListItem(node.InnerText, node.Attributes["code"].InnerText)); } } The above code am using for loading countries List from an xml file into a dropdown list. But while doing so am encountering a Null Reference error. Object reference not set to an instance of an object. Where in the code should I be changing, so that I can escape the error.

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How to use exe in SharePoint on itemAdded?

- by Justin Cullen

I have a need to convert any document gets uploaded to Image. I downloaded the exe (with all the dlls) on my local machine (dont have to install) export.exe sourcefile.doc destinationfile.gif this syntax works from my local dos prompt. How do I use the same syntax "export.exe exampledoc.doc exampledoc.gif" when an item is added to sharepoint doc library. and Do I need to put the folder (where the exe and dlls are for this) in the sharepoint frontend server so it's accessible? If yes, where should this folder reside? Does the folder and files need sharepoint service account access? I am totally new and I would really like if someone can shed some light on this (step by step if possible)? Thanks Justin...

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XML::LibXML: How to write a xpath with qualified name?

- by sid_com

I've found this on http://www.perlmonks.org/?node_id=606909 looking by qualified name ... In this case you can call findnodes method on any node, you don't need the XML::LibXML::XPathContext with its prefix = namespace mapping: $doc-findnodes('///info/fooTransaction/transactionDetail/[name() = "histFile:transactionSummary"]/*'); In which way I have to edit my xpath to get my script working without XPathContext? #!/usr/bin/env perl use warnings; use strict; use 5.012; use XML::LibXML; my $parser = XML::LibXML->new; $parser->recover_silently( 1 ); my $doc = $parser->parse_file( 'http://www.heise.de/' ); my $xc = XML::LibXML::XPathContext->new( $doc->getDocumentElement ); $xc->registerNs( 'xmlns', 'http://www.w3.org/1999/xhtml' ); my $nodes = $xc->findnodes( '//xmlns:h2/xmlns:a' ); for my $node ( $nodes->get_nodelist ) { say $_->getName, '=', $_->getValue for $node->attributes; }

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Using two namespaces when defining a new xml file (XDocument, XElement, XAttribute)

- by Manchuwook

XNamespace xnRD = "http://schemas.microsoft.com/SQLServer/reporting/reportdesigner"; XNamespace xnNS = "http://schemas.microsoft.com/sqlserver/reporting/2008/01/reportdefinition"; XAttribute xaRD = new XAttribute(XNamespace.Xmlns + "rd", xnRD); XAttribute xaNS = new XAttribute("xmlns", xnNS); XElement x = new XElement("Report", xaRD, xaNS, new XElement("DataSources"), new XElement("DataSets"), new XElement("Body"), new XElement("Width"), new XElement("Page"), new XElement("ReportID", xaRD), new XElement("ReportUnitType", xaRD) ); XDocument doc = new XDocument(new XDeclaration("1.0", "utf-8", "yes")); doc.Add(x); Console.WriteLine(doc.ToString()); Results in runtime error: {"The prefix '' cannot be redefined from '' to 'http://schemas.microsoft.com/sqlserver/reporting/2008/01/reportdefinition' within the same start element tag."} What I am trying to do is just make the DataSources and DataSets write out to the Debug.Console to build ObjectDataSources since VS2010 neglected to add them for ASPX. EDIT: new XElement(xaRD + "ReportID"), new XElement(xaRD + "ReportUnitType") Changed and got : Additional information: The ':' character, hexadecimal value 0x3A, cannot be included in a name. Instead

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qt on Win CE 5.0 crash

- by Michael

Good day all, It's the first time I am using Qt on Windows CE and I ran into an issue. Maybe someone can help me with it. I will describe my set up. I am using XP with Visual Studio 2005 an Qt Add-in version 1.1.2. I downloaded Qt source for Windows CE and followed the instructions on these (http://doc.trolltech.com/4.4/install-wince.html) instructions to build the library for CE. I then used the Visual Studio to create a minimal Qt Windows CE Application. The program runs fine in the CE emulator, but once I try to deploy it on the device it crashes with the following message: Load module: qt_ce_3.exe Load module: QtGui4.dll Load module: msvcr80.dll Load module: QtCore4.dll Load module: CEShell.DLL Load module: OLEAUT32.dll Load module: commctrl.dll.0409.MUI Load module: commctrl.dll Load module: aygshell.dll Load module: WS2.dll Load module: WINSOCK.dll Load module: coredll.dll.0409.MUI Load module: ossvcs.dll Load module: ole32.dll Load module: coredll.dll Load module: MMTimer.dll Data Abort: Thread=8fb09a40 Proc=8c4ecea0 'qt_ce_3.exe' AKY=00040001 PC=012a80b0(qtcore4.dll+0x000680b0) RA=012a8168(qtcore4.dll+0x00068168) BVA=676e4574 FSR=000000f5 Unhandled exception at 0x012a80b0 in qt_ce_3.exe: 0xC0000005: Access violation reading location 0x676e4574. I tried it on two devices from different manufacturers, and the result is the same. Debug version worked on one of them, ran out of memory on the other. Does anyone have any idea what this could be? Thanks in advance, Michael

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How to set up 3rd party developer portal

- by Michael

I am developing a web service and depend on 3rd party developers to write client applications for it. I need to set a developer portal, a web site where existing and potential developers would find documentation html pages doc files for download libraries downloads wiki forums support ticketing system. There should be a public part and a part protected by login. I want only logged in users to submit tickets, for example. I don't want to host it. I would prefer a generic design based on a sensible template, where I can add minimal customization, such as logo. I don't want to add code to get any of the above functionality. I will do all that if necessary, but I'd hope there would be an online service to do thing like that. What services would you guys recommend?

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Crashing when pushing a XIB based view controller onto navigation controller stack

- by Michael

I was attempting to clean up the implementation for a sub-panel on a navigation controller stack, so that the navigation bar could be customized in the XIB instead of doing it manually in the viewDidLoad method. The original (working) setup had the XIB set up with the "File's Owner" class set to the view controller class, and then the view at the top level. This works fine. In the "Interface Builder User Guide", p. 71, it describes the recommended way to build the XIBs for sub-panels ("additional navigation levels"). This approach leaves the "File's Owner" class as NSObject, but adds a UIViewController at the top level, and nests the view (and navigation item) underneath it. The UIViewController's view automatically gets connected to the contained view. When I try to push the controller init'd with this new XIB, the app crashes because of a missing view: SettingsViewController *controller = [[SettingsViewController alloc] initWithNibName:@"SettingsView" bundle:nil]; [self.navigationController pushViewController:controller animated:YES]; 2010-04-23 11:17:37.135 xxxx[1173:207] * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '-[UIViewController _loadViewFromNibNamed:bundle:] loaded the "SettingsTestView" nib but the view outlet was not set.' I've double checked everything, and tried building a clean XIB from scratch, but get the same result. I looked through a number of the code sample projects, and NONE of them use the documented/recommended approach--they all use the File's Owner class and manually set up the navigation bar in viewDidLoad like I originally had it. Is it possible to get it working the "recommended" way? Thanks! Michael

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How read value from XmlNode

- by klerik123456

I have a Xml file and I try to read value from node Ticket, but my output is still empty. Can somebody help me ? Xml docmunet : <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <soap:Header> <TicketHeader xmlns="http://tempuri.org/"> <Ticket> heslo </Ticket> </TicketHeader> </soap:Header> <soap:Body> <test xmlns="http://tempuri.org/"/> </soap:Body> </soap:Envelope> My code : doc= new XmlDocument(); doc.Load(path); XmlNode temp = doc.SelectSingleNode("//Ticket"); textBox3.Text=temp.InnerXml;

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Question about using adaptive layout + print style sheet

- by Michael

Hey everyone, In my web design class, we looked at creating different style sheets for different window sizes and using a javascript that detects the window size and loads the right style sheet. In the head, I'm linking to three external style sheets, as well as a link to the javascript file. So the adaptive layout works fine. However... I also need to be able to use a print style sheet with this particular webpage (it's the requirement for this project). The problem is this that the way the javascript was written makes it so that it ignores the print style sheet. When I go to print preview, it ignores the print style sheet and the preview shows me all of my webpage unstyled. It looks like just the html when opened in a browser. I am using the javascript by Kevin Hale at ParticleTree, and I'm sure there are those familiar with this :] http://particletree.com/examples/dynamiclayouts/ I would like to know what needs to be changed so that the print style sheet isn't ignored. I've shown this to my professor. However, her email wasn't clear enough, but I understand that somehow the script is ignoring the print.css and that's why the print preview shows a css-less preview. Since it's the weekend, I won't be able to get an answer until Monday, and I was hoping someone can help me out. Thank you very much! Michael

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Get content of XML node using c#

- by Adam S

Hi all, simple question but I've been dinking around with it for an hour and it's really starting to frustrate me. I have XML that looks like this: <TimelineInfo> <PreTrialEd>Not Started</PreTrialEd> <Ambassador>Problem</Ambassador> <PsychEval>Completed</PsychEval> </TimelineInfo> And all I want to do is use C# to get the string stored between <Ambassador> and </Ambassador>. So far I have: XmlDocument doc = new XmlDocument(); doc.Load("C:\\test.xml"); XmlNode x = doc.SelectSingleNode("/TimelineInfo/Ambassador"); which selects the note just fine, now how in the world do I get the content in there?

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Dump XML Posts from 'php://input' to file

- by Mikey1980

I'm trying to write a parser for a xml postback listener, but can't seem to get it to dump the xml for a sample. The API support guy told me to use 'DOMDocument', maybe 'SimpleXML'? Anyways here's the code: (thanks!) <?php $xml_document = file_get_contents('php://input'); $doc = new DOMDocument(); $doc->loadXML($xml_document); $doc->save("test2/".time().".sample.xml").".xml"); ?>

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XML RSS Feed Parse PHP

- by JD

With an XML feed like so: <w:current temperature="22.2" dewPoint="12.9" humidity="56" windSpeed="5.6" windGusts="9.3" windDirection="ESE" pressure="1017.8" rain="0.0" /> and <w:forecast day="Thursday" description="Mostly Sunny. Warm." min="17" max="29" icon="2" iconUri="http://www.weather.com.au/images/icons/2.gif" iconAlt="Mostly Sunny" /> How do I parse it in PHP using the dom? $doc = new DOMDocument(); $doc->load('http://rss.weather.com.au/sa/adelaide'); $arrFeeds = array(); foreach ($doc->getElementsByTagName('item') as $node) { $itemRSS = array ( 'title' => $node->getElementsByTagName('title')->item(0)->nodeValue, 'description' => $node->getElementsByTagName('w')->item(0)->nodeValue, ); array_push($arrFeeds, $itemRSS); } Returns error :Notice: Trying to get property of non-object in /var/www/index.php on line 123

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ODBC and NLS_LANG

- by Michael S.

Let's say that I've created two different program executables, e.g. in C++. For some reason, the two programs internals representation of text are different from each other. Let's say the first program is using text representation A and the other text representation B. It could be a specific 8-bit ANSI codepage, Unicode/UTF-8 or Unicode/UTF-16 or whatever. Now each program want to communicate text (add/retrieve data) to/from the same database table on a (database) server. Each program communicates with the database through ODBC. So the programs do not know what database system they they are communicating with. In this specific case through the database is actually a Oracle RDMS database and the database server administrator has setup the database to use UTF-8. On the system on which the programs are running an appropriate ODBC driver is available, so that the programs can connect through ODBC. Each program will treat and convert from the ODBC data type SQL_C_CHAR to its internal text representation appropriately. I assume that the programs cannot do no other than to assume a specific encoding returned for SQL_C_CHAR text. If not the programs has to be told which encoding that is. For Oracle, I know that the NLS_LANG environment variable can be used on the client. I assume it affects the ODBC driver (related to SQL_C_CHAR) to convert from a specific encoding (as given by NLS_LANG) to the internal encoding of the database (in this example UTF-8) and vice-versa. If the machine running my programs are having a NLS_LANG this setting will affect the byte sequences returned for SQL_C_CHAR so my programs cannot suddenly assume a specific encoding for the text returned via SQL_C_CHAR. Is it possible to setup the ODBC connection (preferably programmatically at runtime), so that it takes care of text conversions appropriately for the two programs, i.e. from/to representation to/from UTF-8 and from/to representation B to/from UTF-8? Regards, /Michael PS. As the programs are connecting through ODBC I don't think it would be nice that they should now anything about NLS_LANG as this is a Orcacle specific environment variable.

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Avoiding a NullReferenceException

- by Nikhil K

I have used this code for extracting urls from web page.But in the line of 'foreach' it is showing Object reference not set to an instance of an object exception. What is the problem? how can i correct that? WebClient client = new WebClient(); string url = "http://www.google.co.in/search?hl=en&q=java&start=10&sa=N"; string source = client.DownloadString(url); HtmlDocument doc = new HtmlDocument(); doc.LoadHtml(source); foreach (HtmlNode link in doc.DocumentNode.SelectNodes("//a[@href and @rel='nofollow']")) { Console.WriteLine(link.Attributes["href"].Value); }

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IE7 div floating bug

- by Michael Frey

I have the following <div id="border" style="width:100%; border:8px solid #FFF"> <div id="menu" style="width:250px; float:left;" > Some menu </div> <div id="content" style="padding-left:270px; width:520px;" > Main page content </div> </div> This gives me a left aligned menu and the content to the right of it, all surrounded by a border. On all browsers including IE8 it displays correctly. But on IE7 the content only starts below the menu, and leaves a big open space to the right of the menu. I have searched all kind of solutions and tried all kinds of combinations of right, left, none for float. clearing left right both. It always displays different on the browsers. Any help is appreciated. Michael

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Ruby: what the hell does this code saying ????

- by wefwgeweg

i discovered this in a dark place one day...what the hell is it supposed to do ?? def spliceElement(newelement,dickwad) dox = Nokogiri::HTML(newelement) fuck = dox.xpath("//text()").to_a fuck.each do |shit| if shit.text.include? ": " dickwad << shit.text.split(': ')[1].strip + "|" else if shit.text =~ /\s{1,}/ or shit.text =~ /\n{1,}/ puts "fuck" else dickwad << shit.text.squeeze(" ").strip + "|" end end end dickwad << "\n" end def extract(newdoc, newarray) doc = Nokogiri::HTML(newdoc) collection = Array.new newarray.each do |dong| newb = doc.xpath(dong).to_a #puts doc.xpath(dong).text collection << newb end dickwad = ""; if collection.length > 1 (0...collection.first.length).each do |i| (0...collection.length).each do |j| somefield = collection[j][i].to_s.gsub(/\s{2,}/,' ') spliceElement(somefield, dickwad) end newrow = dickwad.chop + "\n" return newrow.to_s end else collection.first.each do |shit| somefield = shit.to_s.gsub(/\s{2,}/,' ') spliceElement(somefield, dickwad) puts somefield + "\n\n" #newrow = dickwad.chop + "\n" #puts newrow #return newrow.to_s sleep 1 end end

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Need to close a popup after javascript completes image upload then load new page

- by Michael Robinson

I got a problem. I have a image upload script that runs on a popup up when you select "upload button", after it is complete instead of closing it stays in the uploader.html window. I need it to close and go to a new page. Here is some of the xml that the script uses, can I change the "urlOnUploadSucess" line to close the popup and load a new page on the original page I came from? .....<upload preload="Preloading images:" upload="Uploading images to server:" prepare="Processing and image compression:" of="of" cancel="Cancel" start="Start" warning_empty_required_field="Warning! One of the required fields is empty!" confirm="Will be uploaded:"/> <urls urlToUpload="upload.php?" urlOnUploadSuccess="http://www.baublet.com/purchase.html" urlOnUploadFail="http://www.baublet.com/tryagain.html" urlUpdateFlashPlayer="http://www.baublet.com/flashalternative.html" useMessageBoxesAfterUpload="false" messageOnUploadSuccess="Images were successfully uploaded!" messageOnUploadFail="Error! Images failed to upload!" jsFunctionNameOnUpload=""/> ..... Thanks, Michael

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Why the following upload if condition does not work?

- by Ole Media

So I have an upload script, and I want to check the file type that is being uploaded. I only want pdf, doc, docx and text files So I have: $goodExtensions = array('.doc','.docx','.txt','.pdf', '.PDF'); $name = $_FILES['uploadFile']['name']; $extension = substr($name, strpos($name,'.'), strlen($name)-1); if(!in_array($extension,$goodExtensions) || (($_FILES['uploadFile']['type'] != "applicatioin/msword") || ($_FILES['uploadFile']['type'] != "application/pdf"))){ $error['uploadFile'] = "File not allowed. Only .doc, .docx, .txt and pdf"; } Why I'm getting the error when testing and including correct documents?

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How to copy newly added document with metadata to another document library?

- by James

I need to copy the item that user just added (for example. myresume.doc or financial.xls) with the metadata (doc lib obtains the columns from content type, ct obtains the columns from site colum) and copy the item with metadata in a folder called "NativeFile". Every doc library has this folder. I know itemadded can be used but then I heard itemadded fires before user have a chance to complete the metadata for the item they just added. What are my options? (new to sp, so some sample code would greatly help. or some good link similar to this issue) Sharepoint 2007, itemadded or itemadding or itemupdating or itemupdated....

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jQuery .each() function. Resetting the index?

- by Michael

Hi there, I have multiple lists with the same class. I'd like to loop each list and its LI's and prepend the current number before each. The current code I have is: $jQuery(".numberList li").each(function(i) { var index = i + 1; $jQuery(this).prepend("<span>" + index + "</span>"); }); The problem is, is that the index doesn't restart back at 0 for each list it goes through, it just keeps going up. For example, the output I get now is: First list 1. item 2. item 3. item Second list 4. item 5. item 6. item Second list should start at 1 again by having the index back at 0. Could someone point out where I'm going wrong? I'm not a jQuery expert or anything...clearly :) Many thanks, Michael.

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asp.net C# uploading big file and processing it

- by JewelThief

I want to be able to upload file from my .aspx page to my web server so that it can be preocessed into a different format. e.g. user will upload a doc and in few seconds it would see a pdf version of the doc on the web page. I have web service available which can convert doc to pdf. now 1- how do i automate upload + conversion process. 2- how do i handle big files here. 3- how not to make user wait for all this thing to happen.

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BPEL, initialize variable and repeating onAlarm eventHandler

- by Michael

I have a little problem I can't solve so far. In BPEL I want to create an onAlarm eventHandler which fires immediatly (i.e. the "for" element is set to 'PT0S') and repeats every 2 seconds. This eventHandler shall contain a counter which increments every time the alarm fires. The question is: How to initialize the counter? If the variable will be initialized within the onAlarm scope the value would not increment anymore. In the "normal" control flow the value also cannot be initialized, because it is not defined if the process or the onAlarm scope runs first. So I would get every now and then an uninitializedVariable exception. My solution would be to not initialize the variable neither in the process scope nor in the onAlarm scope, but create a faultHandler wherein the variable will be initialized and afterwards the onAlarm flow will be executed. Problem is every uninitializedVariable execution will be caught now by this faultHandler and there may be another too. So is there another possibility to deal with this problem or can I somehow find out which variable wasn't initialized properly so the faultHandler can get two control flows? The solution should work on every BPEL engine. Thanks, Michael

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REXML Formatting issues

- by dagda1

Hi, I am using REXML to edit an xml file but have ran into difficulties with formatting. My original code looked like this: file = File.new( destination) doc = REXML::Document.new file doc.elements.each("configuration/continuity2") do |element| element.attributes["islive"] = "true" element.attributes["pagetitle"] = "#{@client.page_title}" element.attributes["clientname"] = "#{@client.name}" end doc.elements.each("configuration/continuity2/plans") do |element| element.attributes["storebasedir"] = "#{@client.store_dir}" end I first of all had to add the following code as REXML was adding single quotes instead of double quotes. I found the following via google: REXML::Attribute.class_eval( %q^ def to_string %Q[#@expanded_name="#{to_s().gsub(/"/, '"')}"] end ^ ) I also have a problem in that REXML is reformatting the document. are there ways to stop this? Cheers Paul

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How to build boost::asio example?

- by Poni

Hello, I'm trying to build an example of boost::asio http://www.boost.org/doc/libs/1_43_0/doc/html/boost_asio/example/echo/async_tcp_echo_server.cpp but without any luck. System: Windows Vista, Visual C++ 2008 Pro, Boost 1.43. I've added to the project, at VC, the include path and the additional lib path (see note #1), yet the linker gives me this error: 1>LINK : fatal error LNK1104: cannot open file 'libboost_system-vc90-mt-gd-1_43.lib' What do I do next? In the documentation (the "getting started" part) it says that some boost's components must be built separately. Ok. How do I do this and where do I find them? In the "getting started" page there's the section "6.1 Link From Within the Visual Studio IDE". It just tells me how to link, and not how to build it. Anyone can shed some light? Because I am definitely missing something here. Note #1: There's not "boost_1_43_0/lib" folder but a "libs". The doc needs a refresh.

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