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  • Transparent QGLWidget on top of QGraphicsView

    - by maciej.gryka
    I'm using QGraphicsView to show a 2D image and also have a separate QGLWidget window to display some 3D object. I'm dynamically changing the image displayed in `QGraphicsView' based on the rotation of the 3D object. I would like to render a semi-transparent 3D object on top of the 2D image, something like Maya 2009 used to do (notice the cube in the upper right corner of the viewport): Is it possible to do this with my current widgets? If not, how could it be done? One option I can think of would be to render everything in QGLWidget and display the 2D image as a texture on a background plane, but that seems slightly painful.

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  • How do I use a string as a keyword argument?

    - by Issac Kelly
    Specifically, I'm trying to use a string to arbitrairly filter the ORM. I've tried exec and eval solutions, but I'm running into walls. The code below doesn't work, but it's the best way I know how to explain where I'm trying to go from gblocks.models import Image f = 'image__endswith="jpg"' # Would be scripted in another area, but passed as text <user input> d = Image.objects.filter(f) #for the non-django pythonistas: d = Image.objects.filter(image__endswith="jpg") # would be the non-dynamic equivalent.

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  • Django - Passing arguments to models through ForeignKey attributes

    - by marshall
    I've got a class like this: class Image (models.Model): ... sizes = ((90,90), (300,250)) def resize_image(self): for size in sizes: ... and another class like this: class SomeClassWithAnImage (models.Model): ... an_image = models.ForeignKey(Image) what i'd like to do with that class is this: class SomeClassWithAnImage (models.Model): ... an_image = models.ForeignKey(Image, sizes=((90,90), (150, 120))) where i'm can specify the sizes that i want the Image class to use to resize itself as a argument rather than being hard coded on the class. I realise I could pass these in when calling resize_image if that was called directly but the idea is that the resize_image method is called automatically when the object is persisted to the db. if I try to pass arguments through the foreign key declaration like this i get an error straight away. is there an easy / better way to do this before I begin hacking down into django?

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  • Poor Transparency on Images

    - by KyleStew
    I am having problems getting transparency to work well on an ImageView. The images at (http://img265.imageshack.us/img265/6233/whatn.png) were screen captured from a Droid (hdpi). The top image I made in Photoshop and left the background white. The bottom image is the same image with the background transparent and the layout's color (white) shows through. Whenever I have transparent backgrounds in images it dithers shadows like this. Also, it only happens on hdpi devices, on my G1 (mdpi) it looks just fine. What is going on? How can I make the bottom image look as good as the top one?

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  • pdf page display problem in ipad

    - by mohsinpathan
    I am able to parse content of pdf. I am able to display pdf page as a image in scroll view. but pdf page is cut when width is more than scroll view. I want to display pdf whole page without lost its quality and contents. please give me hint.`NSArray *temp=[[contentsAtPath objectAtIndex:i]componentsSeparatedByString:@".pdf"]; NSString *c=[temp objectAtIndex:0]; filePath=[[NSString alloc] initWithString:[[NSBundle mainBundle] pathForResource:c ofType:@"pdf" inDirectory:@"appPdf"] ]; [pdfNames addObject:filePath]; initialPage=1; mainString=[[NSMutableString alloc] init]; myTable=nil; myTable = CGPDFOperatorTableCreate(); CGPDFOperatorTableSetCallback(myTable, "TJ", arrayCallback); CGPDFOperatorTableSetCallback(myTable, "Tj", stringCallback); CGRect pdfSize = GetPdfSize(UIGraphicsGetCurrentContext(), initialPage, [filePath UTF8String],myTable,mainString); //UIImageView *imgV=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 598,768)]; UIImageView *imgV=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, pdfSize.size.width,pdfSize.size.height)]; UIGraphicsBeginImageContext(CGSizeMake(pdfSize.size.width,pdfSize.size.height)); MyDisplayPDFPage(UIGraphicsGetCurrentContext(), initialPage, [filePath UTF8String],myTable,mainString); imgV.image=UIGraphicsGetImageFromCurrentImageContext(); imgV.image=[imgV.image rotate:UIImageOrientationDownMirrored]; UIButton *doneBtn = [UIButton buttonWithType:UIButtonTypeCustom]; doneBtn.frame=CGRectMake(0,0,598,pdfSize.size.height); [doneBtn setImage:imgV.image forState:UIControlStateNormal]; [doneBtn addTarget:self action:@selector(getDetail) forControlEvents:UIControlEventTouchDown]; doneBtn.tag=i+1; [scrollView addSubview:doneBtn];`

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  • Run command with space characters in bash script

    - by ??iu
    I have a file that contains a list of files: 02 of Clubs.eps 02 of Diamonds.eps 02 of Hearts.eps 02 of Spades.eps ... I am attempting to mass-convert these to png format in several sizes. The script I am using to do this is: while read -r line do for i in 80 35 200 do convert $(sed 's/ /\\ /g' <<< Cards/${line}) -size ${i}x${i} ../img/card/$(basename $(tr ' ' '_' <<< ${line} | tr '[A-Z]' '[a-z]') .eps)_${i}.png; done done < card_list.txt However, this doesn't work, apparently trying to split on each word, resulting in the following error output: convert: unable to open image `Cards/02\': No such file or directory @ error/blob.c/OpenBlob/2514. convert: no decode delegate for this image format `Cards/02\' @ error/constitute.c/ReadImage/532. convert: unable to open image `of\': No such file or directory @ error/blob.c/OpenBlob/2514. convert: no decode delegate for this image format `of\' @ error/constitute.c/ReadImage/532. convert: unable to open image `Clubs.eps': No such file or directory @ error/blob.c/OpenBlob/2514. If I change the convert to an echo the result looks right and if I copy a line and run it myself in the shell it works fine: convert Cards/02\ of\ Clubs.eps -size 80x80 ../img/card/02_of_clubs_80.png convert Cards/02\ of\ Clubs.eps -size 35x35 ../img/card/02_of_clubs_35.png convert Cards/02\ of\ Clubs.eps -size 200x200 ../img/card/02_of_clubs_200.png convert Cards/02\ of\ Diamonds.eps -size 80x80 ../img/card/02_of_diamonds_80.png convert Cards/02\ of\ Diamonds.eps -size 35x35 ../img/card/02_of_diamonds_35.png convert Cards/02\ of\ Diamonds.eps -size 200x200 ../img/card/02_of_diamonds_200.png convert Cards/02\ of\ Hearts.eps -size 80x80 ../img/card/02_of_hearts_80.png convert Cards/02\ of\ Hearts.eps -size 35x35 ../img/card/02_of_hearts_35.png convert Cards/02\ of\ Hearts.eps -size 200x200 ../img/card/02_of_hearts_200.png convert Cards/02\ of\ Spades.eps -size 80x80 ../img/card/02_of_spades_80.png UPDATE: Just adding quotes (see below) has the same result as the above, where I had been using sed to add backslashes convert '"'Cards/${line}'"' -size ${i}x${i} ../img/card/$(basename $(tr ' ' '_' <<< ${line} | tr '[A-Z]' '[a-z]') .eps)_${i}.png; I've tried both double and single quotes

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  • Content div not filling up the remaining space

    - by Sameer Shariff
    Basically #content is not obeying the height: auto attribute. What am i doing wrong? <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title id="title" runat="server">AMIDS: Advanced Management Information Data Store</title> <style type="text/css"> #container { background-color: White; height: 100%; min-height: 100%; min-width: 600px; width: 100%; } #header { height: 50px; overflow: hidden; width: 100%; } #headerLeft { background-image: url('/Amids/App_Themes/Default/Images/HeaderLeft.jpg'); float: left; height: 50px; width: 5px; } #headerCenter { background-image: url('/Amids/App_Themes/Default/Images/HeaderCenter.jpg'); float: left; height: 50px; width: 99.2%; } #headerRight { background-image: url('/Amids/App_Themes/Default/Images/HeaderRight.jpg'); float: left; height: 50px; width: 5px; } #menu { background-image: url('/Amids/App_Themes/Default/Images/Menu.jpg'); height: 20px; width: 100%; } #content { background-color: Pink; height: auto; width: 100%; } #footer { height: 40px; overflow: hidden; width: 100%; } #footerLeft { background-image: url('/Amids/App_Themes/Default/Images/FooterLeft.jpg'); float: left; height: 40px; width: 5px; } #footerCenter { background-image: url('/Amids/App_Themes/Default/Images/FooterCenter.jpg'); float: left; height: 40px; width: 99.2%; } #footerRight { background-image: url('/Amids/App_Themes/Default/Images/FooterRight.jpg'); float: left; height: 40px; width: 5px; } * html #container { height: 100%; } * { margin: 0; padding: 0; } html, body, form { border: none; height: 100%; } </style> </head> <body> <form id="form" runat="server"> <div id="container"> <div id="header"> <div id="headerLeft"></div> <div id="headerCenter"></div> <div id="headerRight"></div> </div> <div id="menu"></div> <div id="content"></div> <div id="footer"> <div id="footerLeft"></div> <div id="footerCenter"></div> <div id="footerRight"></div> </div> </div> </form> </body> </html> Any ideas anyone?

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  • Preloading images from XML into Flash

    - by tykebikemike
    I know this has been asked to death, but I cant seem to find the answer i'm looking for... I've put together a simple Flash/XML image gallery and I would like to preload the images - Simple process. Get the XML data Preload the images When all images are preloaded, go to next frame Here is my code thus far: var myXML:XML = new XML(); myXML.ignoreWhite = true; myXML.load("xmltest.xml"); myXML.onLoad = function(success){ if(success){ var myImage = myXML.firstChild.childNodes; for (i=0; i<myImage.length; i++){ var imageNumber = i+1; var imageName = myImage[i].attributes.name; var imageURL = myImage[i].firstChild.nodeValue; trace('image #: ' + imageNumber); trace('image name: ' + imageName); trace('image url: ' + imageURL + '\n'); } } }

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  • Draggble object hides outside content when wrapt in span

    - by Cinaird
    I have a simple CSS problem In this site http://web.cinaird.se/pdf/test.htm I have a draggable images in the top content, I want a span that float on top of the image and for this I need a span containing the image and a span floating on top. So long no problem but now when i drag the image it hides outside the top content. so my question is as follows, how can I wrap a image and a floating span above and still be able to drag it outside the container. I hop I don't have missed something obvious and you have a quick solution, Thanks for your time.

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  • Modifying CSS class property values on the fly with JavaScript / jQuery

    - by JPN
    all. I've run into a unique situation that I have so far been unable to find a solution for: dynamically assigning a value to a CSS style. I know how to use jQuery to assign width, height, etc. to an element, but what I'm trying to do is actually change the value defined in the stylesheet so that the dynamically-created value can be assigned to multiple elements. What I'm building is a slideshow of images that occupy the full viewport, recalculating the image's width, height, and left properties on resize so that the image is always centered, favors width over height, except when the viewport is taller than it is wide (resizing does not reload the page, just fires a function to resize the image). I have successfully been able to get it to work on one image, and now I'm trying to determine the best way to assign those property values to all images in the slideshow without having to specify those three things individually for every image. Can the values of properties in a class be modified on the fly? I'm sure the answer is out there, I'm probably just not using the correct terminology in my searches. Hope I did a good job of describing the problem. TIA.

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  • How to compare filename of uploaded file and string

    - by user225269
    I use this code to upload image files in xammp server: <?php if ((($_FILES["file"]["type"] == "image/gif") || ($_FILES["file"]["type"] == "image/jpeg") || ($_FILES["file"]["type"] == "image/pjpeg")) && ($_FILES["file"]["size"] < 100000)) { if ($_FILES["file"]["error"] > 0) { echo "Return Code: " . $_FILES["file"]["error"] . "<br />"; } else { echo "Upload: " . $_FILES["file"]["name"] . "<br />"; echo "Type: " . $_FILES["file"]["type"] . "<br />"; echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />"; echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br />"; if (file_exists("upload/" . $_FILES["file"]["name"])) { echo $_FILES["file"]["name"] . " already exists. "; } else { move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $_FILES["file"]["name"]); echo "Stored in: " . "upload/" . $_FILES["file"]["name"]; } } } else { echo "Invalid file, File must be less than 100Kb in size with .jpg, .jpeg, or .gif file extension"; } ?> What do I do to compare the file name of the uploaded files with the text inputted by the user? My goal is to be able to compare the user input(ID number) and the file name of the image file which should also be an ID number. So that I will be able to display the image that corresponds with the ID Number provided. What do I need to do?Please give me an idea on how can I achieve this. Thanks

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  • [PHP-GD] Background transperancy in imagerotate()

    - by KPL
    Hello people, Since last 2 days, I was trying to add transperancy to the background after rotating an image using imagerotate() PHP-GD function. But, to my great disappointment, it's not working at all. It's just giving out a black background behind it. Here's my code - $patchImageS = 'image.png'; // the image to be patched over the final bg $patchImage = imagecreatefrompng($patchImageS); // resource of image to be patched $patchImage = imagerotate($patchImage, 23, 0, 0); imagepng($patchImage,'tt.png'); I tried to change the parameters being passed in function to imagerotate($patchImage, 23, 5, 0); imagerotate($patchImage, 23, 0, 5); Any help would be highly appreciated.

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  • Responsive grid, floated elements move underneath one another when min-width is reached

    - by Francesca
    I'm in the process of creating a responsive site (currently only working on the main content.) I've created two floated divs with percentage based widths. One contains an image which resizes with the browser resizing. The image has a min-width of 100px. Can anyone tell me why when put into a mobile sized width it doesn't drop down? How can I make the image stack underneath the text? JS Fiddle Live site

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  • How can I unattach an element from another element in the XAML tree?

    - by Edward Tanguay
    In my Silverlight application, I load all the images I need at application start and store them in a dictionary. Then as I need them I pick them out of the dictionary and attach them in XAML trees etc. However, I have the problem that if I attach an Image object to a Grid, then want to use that image again, it tells me: The image element is already a child of another element. How can I run through my dictionary and "detach all images from parent XAML elements"?

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  • Valid HTTP header? `GET /page.html Http1.0`?

    - by Earlz
    Ok so I've been reading up on HTTP and found this page. This is an example HTTP request that was posted there: GET /http.html Http1.1 Host: www.http.header.free.fr Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, Accept-Language: Fr Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0) Connection: Keep-Alive I tried it in telnet and it worked. But everywhere else I see this kind of request line GET /http.html HTTP/1.1 The important different is that HTTP is all caps and the / character. Are they both correct? They both seem to work on the sites I've tested it on. I've skimmed the RFC of HTTP but didn't find anything of use. Has anyone else seen this kind of request header? Is it officially supported?

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  • Using JavaScript to change the URL used when a page is bookmarked...

    - by user30997
    JavaScript doesn't allow you to update window.location without triggering a reload. While I agree with this policy in principle (it shouldn't be possible to visit my website and have JavaScript change the location bar to read www.yourbankingsite.com,) I believe that it should be possible to change www.foo.org/index to www.foo.org/help. The only reason I care about this is for bookmarking. I'm working on a photo browser, and when a user is previewing a particular image, I want that image to be the default if they should bookmark that page. For example, if they are viewing foo.org/preview/images0-30 and they click on image #15, that image is expanded to a medium-sized view. If they then bookmark the page, I want the bookmark URL to be foo.org/preview/images0-30/active15. Any thoughts, or is there a security barrier on this one as well? I can certainly understand the same policy being applied here, but one can dream.

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  • error in coding in pygame.

    - by mekasperasky
    import pygame from pygame.locals import * screen=pygame.display.set_mode() nin=pygame.image.load('/home/satyajit/Desktop/nincompoop0001.bmp') screen.blit(nin,(50,100)) according to the code i should get a screen with an image of nin on it . But I only get a black screen which doesnt go even though i press the exit button on it. how to get the image on the screen?

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  • jquery animated buttons that just wont behave

    - by TJ Sherrill
    Ok I have a inline list of buttons. <ul id="nav"> <li class="home"><a href="#">Menu Item</a></li> <li class="contact"><a href="#">Menu Item</a></li> <li class="about"><a href="#">Menu Item</a></li> </ul> .home{ position:absolute; bottom:0; background-image:url(../img/menu/single_line.png); background-repeat:no-repeat; height:34px; width:134px; } .home_hover{ position:absolute; bottom:0; background-image:url(../img/menu/single_line_over.png); background-repeat:no-repeat; height:70px; width:134px; } $(document).ready(function(){ $("#nav .home").mouseover(function(){ $(this).toggleClass("home_hover").slideToggle("slow"); return false; }).mouseout(function(){ $(this).toggleClass("home_hover").slideToggle("slow"); return false; }); }); Each menu item has a background image, and then when its hovered the background image is replaced by a taller image. Ultimately I am trying to build a simple menu where on mouseover the menu item appears to slide up. But in reality Jquery can animate the toggleClass with slideToggle. The problem is that this current code doesn't behave right. It jumps up and down, because the text is moving. I am pretty new to Jquery so any help is greatly appreciated. I also loaded this up at http://gasworks.ravennainteractive.com/result/ thanks

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  • ADO Exception in HQL query

    - by Yoav
    I have 2 classes: Project and DataStructure. Class Project contains member List<DataStructure. My goal is to load a Project and all its DataStructures in one call. public class Project { public virtual string Id { get { } set { } } public virtual string Name { get { } set { } } public virtual ISet<DataStructure> DataStructures { get { } set { } } } public class DataStructure { public virtual string Id { get { } set { } } public virtual string Name { get { } set { } } public virtual string Description { get { } set { } } public virtual Project Project { get { } set { } } public virtual IList<DataField> Fields { get { } set { } } } Note that DataStructure also contains a list of class DataField but I don’t want to load these right now. Mapping in Fluent NHibernate: public class ProjectMap : ClassMap<Project> { public ProjectMap() { Table("PROJECTS"); Id(x => x.Pk, "PK"); Map(x => x.Id, "ID"); Map(x => x.Name, "NAME"); HasMany<DataStructure>(x => x.DataStructures).KeyColumn("FK_PROJECT"); } } public class DataStructureMap : ClassMap<DataStructure> { public DataStructureMap() { Table("DATA_STRUCTURES"); Map(x => x.Id, "ID"); Map(x => x.Name, "NAME"); Map(x => x.Description, "DESCRIPTION"); References<Project>(x => x.Project, "FK_PROJECT"); HasMany<DataField>(x => x.Fields).KeyColumn("FK_DATA_STRUCTURE"); } } This is my query: using (ISession session = SessionFactory.OpenSession()) { IQuery query = session.CreateQuery("from Project pr left join pr.DataStructure"); project = query.List<Project>(); } query.List() returns this exception: NHibernate.Exceptions.GenericADOException: Could not execute query[SQL: SQL not available] ---> System.ArgumentException: The value "System.Object[]" is not of type "Project" and cannot be used in this generic collection.

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  • Java applet icon doesn't show

    - by user295744
    I have a java applet where I've changed the image icon that appears in the top left corner of the window. The code I use is this: Toolkit kit = Toolkit.getDefaultToolkit(); Image frameIcon = kit.getImage("src/myapp/resources/logo.png"); getFrame().setIconImage(frameIcon); Everything works fine until I deploy the applet to a standalone jar. In this case the icon that shows is the default icon, as if the code couldn't find the image. But the image is inside, although it is in the folder: myapp/resources/ What am I doing wrong here? Is this some weird java bug?

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  • JComobox is not showing in the JDialog

    - by Pujan Srivastava
    I have 2 classes. when I put bold 3 lines in the method addCourses() the dialog does not show combobox in the Panel but when I remove from addCourses and put those bold lines in the constructor, JComboBox are shown in the Panel. But data will not show because data items updates to ComboBox will happen after Constructor is created. How can I solve this problem. this.mainPanel.add(courseCombo, BorderLayout.NORTH); this.mainPanel.add(sessionCombo, BorderLayout.CENTER); this.mainPanel.add(courseButton, BorderLayout.SOUTH); public class Updator { CourseListFrame clf = new CourseListFrame(); for(...){ clf.addContentsToBox(displayName, className); } clf.addCourses(); } and second class is public class CourseListFrame extends JDialog implements ActionListener { public JPanel mainPanel = new JPanel(new BorderLayout(2, 2)); public JButton courseButton = new JButton(("Submit")); public JComboBox courseCombo; public JComboBox sessionCombo; public Multimap<String, String> map; // = HashMultimap.create(); public static CourseListFrame courseListDialog; public CourseListFrame() { super(this.getMainFrame()); this.getContentPane().add(mainPanel); map = HashMultimap.create(); courseCombo = new JComboBox(); courseCombo.addItem("Select Courses"); courseCombo.addActionListener(this); sessionCombo = new JComboBox(); } public void addContentsToBox(String course, String session) { map.put(course, session); courseCombo.addItem(course); } public void actionPerformed(ActionEvent e) { JComboBox cb = (JComboBox) e.getSource(); String str = (String) cb.getSelectedItem(); setSessionCombo(str); } public void setSessionCombo(String course) { if (map.containsKey(course)) { sessionCombo.removeAllItems(); Iterator it = map.get(course).iterator(); while (it.hasNext()) { sessionCombo.addItem(it.next()); } } } public void addCourses() { this.mainPanel.add(courseCombo, BorderLayout.NORTH); this.mainPanel.add(sessionCombo, BorderLayout.CENTER); this.mainPanel.add(courseButton, BorderLayout.SOUTH); } public static void showCourseListDialog() { if (courseListDialog == null) { courseListDialog = new CourseListFrame(); } courseListDialog.pack(); courseListDialog.setVisible(true); courseListDialog.setSize(260, 180); } }

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  • mocking static method call to c# library class

    - by Joe
    This seems like an easy enough issue but I can't seem to find the keywords to effect my searches. I'm trying to unit test by mocking out all objects within this method call. I am able to do so to all of my own creations except for this one: public void MyFunc(MyVarClass myVar) { Image picture; ... picture = Image.FromStream(new MemoryStream(myVar.ImageStream)); ... } FromStream is a static call from the Image class (part of c#). So how can I refactor my code to mock this out because I really don't want to provide a image stream to the unit test.

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