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  • Is it safe to run multiple XNA ContentManager instances on multiple threads?

    - by Boinst
    My XNA project currently uses one ContentManager instance, and one dedicated background thread for loading all content. I wonder, would it be safe to have multiple ContentManager instances, each in it's own dedicated thread, loading different content at the same time? I'm prompted to ask this question because this article makes the following statement: If there are two textures created at the same time on different threads, they will clobber the other and you will end up with some garbage in the textures. I think that what the author is saying here, is that if I access one ContentManager simultaneously on two threads, I'll get garbage. But what if I have separate ContentManager instances for each thread? If no-one knows the answer already from experience, I'll go ahead and try it and see what happens.

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  • asp.net page flickers

    - by user464111
    I have an asp.net webform. I have the background as an image,that when i aslo have a menu bar, when i click on an icon, it uses response.redirect() to redirect to a new page, but when it loads up the page, it seems like the background image is slow. I can see the backgroud as white first and then split seconds later the background image will load up, this causes an illusion of flickering when it redirects to a new page. How do i solve this problem? When i tested using visual studio web server, it dont flicker. I am using a background image in the master page hosted up on the internet.

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  • how to store multile images full path into database so that i can display them in user home page lik

    - by Deepak Narwal
    I am making an application in which every user have to sign in first and then he can access his home page.Now on home page i have given a option of uploading image.Now if user is uploading one image i am storing the full path of uploaded image into database and from there i can display image easily by img tag... But what should i do when user want to upload many images.Then how i should store their full paths in database for same user.Give me an idea just like orkut or facebook.Should i amade a differnt table named images and i should store images in differnt rows with same username..Plz explain what showuld i do..I dont know the logic what showild i do...How i can upload many images and how i can store thri path and what will be the wisest method and how to display many images on one page(i can display one )

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  • How to generate dynamic Timers

    - by Jeeva
    I'm developing a web based game application using flex. I'm placing images dynamically inside a canvas . Whenever i place an image it should change it state after a period of time. For example after 2 mins it should change it state. The time has to be calculated for each image after i place the image. How shall i handle this.

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  • Preloading images in HTML, is there a more modern way?

    - by John
    I have an image loaded by JS on a mouse event. It's a fairly big image so I want to make sure it gets pre-loaded. I reemmber some old techniques from years ago and found this example: <SCRIPT LANGUAGE = JAVASCRIPT> if (document.images) { img1 = new Image(); img2 = new Image(); img1.src = "imageName1.gif"; img2.src = "imageName2.gif" } </SCRIPT> I wondered if this is still good/relevant, or maybe browsers automatically detect unused images and preload them anyway? Note my page has to support IE6, so I might still need older techniques anyway, but I'm still interested if more modern browsers have a better way?

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  • UIScrollview disable transparency

    - by Frank
    It seems that UIScrollview has a transparency set by default. I have a background image set as a subview in self.view. but the image is showing on my scrollview that's also on the subview layer. I want it to cover up the background image so the scrollview transparency is disable.

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  • CSS - Positioning images next to text

    - by jpjoki
    Hi, I'm doing a site in which images need to presented next to textual content - a sort of pseudo two-column layout, as the images and text come from a single html source. I've found quite a simple way to do this by putting the images as their own paragraphs and floating them. Would there still be a more simpler way (in regards to html) to do this without these extra paragraphs and by only attributing extra css to images? If the floated image is in the same paragraph than the text, then paragraphs with and without images would be different in width. EDIT: Basically, I'm looking for as simple HTML markup as possible to position images like this. The CSS can be complex ;) CSS: p { width: 500px; } p.image { float: right; width: 900px; } Current HTML: <p class="image"><img src="image.jpg" /></p> <p>Some text here.</p> Is the above possible with this HTML? <p><img src="image.jpg" /></p>

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  • How to add clear option to this whiteboard?

    - by swift
    i have to add clear screen option to my whiteboard application, usual procedure is to draw a fill rect to the sizeof the image. But in my app i have transparent panels added one above the other i.e as layers, if i follow the usual procedure the drawing from the underlying panel wont be visible. please tell me any logic to do this. public void createFrame() { JFrame frame = new JFrame(); JLayeredPane layerpane=frame.getLayeredPane(); board= new Whiteboard(client); //board is a transparent panel // tranparent image: board.image = new BufferedImage(590,690, BufferedImage.TYPE_INT_ARGB); board.setBounds(74,23,590,690); board.setImage(image); virtualboard.setImage(image); //virtualboardboard is a transparent panel virtualboard.setBounds(74,23,590,690); JPanel background=new JPanel(); background.setBackground(Color.white); background.setBounds(74,25,590,685); layerpane.add(board,new Integer(5)); layerpane.add(virtualboard,new Integer(4));//Panel where remote user draws layerpane.add(background,new Integer(3)); layerpane.add(board.colourButtons(),new Integer(2)); layerpane.add(board.shapeButtons(),new Integer(1)); layerpane.add(board.createEmptyPanel(),new Integer(0)); }

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  • Resources access problem from JAR

    - by aeter
    I have the following directory structure of a project: Folder "project" in Eclipse: --folder "src" --folder "resources" ----trayicon2.png --folder "db" ----test.db --folder "bin" I'm accessing the image with: Image image = Toolkit.getDefaultToolkit().getImage("resources/trayicon2.png"); and from Eclipse that is not a problem. Then I generate an "executable jar file", and add the dirs, making a directory structure of: Folder "project" --folder "db" ----test.db --folder "resources" ----trayicon2.png --project.jar And now the image is no more accessible. Also, the database is no more accessible; while in Eclipse I used to access it with: Connection conn = DriverManager.getConnection("jdbc:sqlite:db/test.db"); How can I access the resources (images and db) after generating the jar file "project.jar"?

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  • 12.10 Unity GUI Not Displaying

    - by lolajl
    I had 12.04 installed and had no problems at all, having had it setup on my Compaq Presario CQ62 for about 2 weeks (I'm new to Ubuntu and I had a spare laptop to experiment with). Last night, I installed 12.10 through the update manager. Now, I'm not seeing the Unity GUI if I select Default or Ubuntu, at all, just the Eclipse launcher which I had created sitting on the desktop. Even hitting the Windows key to bring up Dash doesn't work. But, when I select GNOME during login, I'm able to access everything in the GUI, including the menu folders for games, internet, system settings, etc. There was a couple error message saying that a system file wasn't loading properly but I forgot to write these down, and now these error messages aren't loading when I restart. Will I need to wipe clean and reinstall?

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  • OCR combined with font recognition?

    - by Adam
    I have a bold idea where a user could take an image like the following and in a few seconds of processing, be able to edit a document which looks roughly the same. The software would use WhatTheFont (or something similar) to recognize the fonts used, and OCR and other software to handle the font size, color, line-spacing, and of course the text content itself. In the case of the example image, there would be three separate "textboxes" produced, each starting at the upper left corner of the text, and extending as far to the bottom right as it could before running into another text box. So the user would then see something like this: (The rectangles are just used to show the boundaries of each textbox.) From here, the user would be able to edit the text in each of these boxes to create a new document. Of course there are tons of obvious uses for such an application, especially on a mobile phone with a built in camera. So my questions are the following: I doubt the answer is yes, but does anything do this already? If I'm going to try to build this, what should I write it in? Can I use Python? What would be the best OCR libraries to start with? Is there a service other than WhatTheFont for font recognition that has better API support? Anybody want to help me build it? :) etc. etc. Update: One thing I wanted to mention (but forgot) is I would also like the background to be preserved. In other words, if the example above had an image behind the text, I'd like the document to use that image with text removed. I know this complicates things a lot because that would require some image editing techniques too (something akin to Photoshop CS5' "content-aware fill"). But if we can solve diminished reality on iPhones, I think we can figure this out!

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  • How to Vertically Center Icons on a Line?

    - by jeremy
    What's the best way to center icons on a line when the icons are smaller than the line height? For example (styles inline for easier reading): <div style="line-height: 20px"> <img style="width: 12px; height: 12px;"/> Blah blah blah </div> I want the img to be centered on a single line of the div, above. That is, even if the text wrapped to multiple lines, the image would be centered against a single line. Ideally, the solution would not involve setting margings/paddings on the image and would work even if I didn't know the line-height. Things I've read: How do I vertically align text next to an image with CSS? (deals with case where image is larger, doesn't seem to apply here) Understanding vertical-align

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  • imageview draw issue with asynctask

    - by alexb
    Have the following asynctask that i'm using to download some images. Works fine except for the very first image, which doesn't always appears unless I do something like move to the next image and then back again. public class DownloadImageTask extends AsyncTask { static ImageView _imageView=null; public DownloadImageTask(ImageView ctl){ _imageView=ctl; } protected void onPostExecute(Bitmap result) { _imageView.setImageBitmap(result); } ... } I thought this might be an issue with updating the UI on a background thread, so I reworked this using an abstract class that invokes a method on the UI thread that calls .setImageBitmap() but I still get the same behaviour - works fine for all images except the first, unless I move to the next image and back again. Is there a way to force a redraw on the imageview after i set the image?

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  • Explain to me the following VS 2010 Extension Sample code..

    - by ealshabaan
    Coders, I am building a VS 2010 extension and I am experimenting around some of the samples that came with the VS 2010 SDK. One of the sample projects is called TextAdornment. In that project there is a weirdo class that looks like the following: [Export(typeof(IWpfTextViewCreationListener))] [ContentType("text")] [TextViewRole(PredefinedTextViewRoles.Document)] internal sealed class TextAdornment1Factory : IWpfTextViewCreationListener While I was experimenting with this project, I tried to debug the project to see the flow of the program and I noticed that this class gets hit when I first start the debugging. Now my question is the following: what makes this class being the first class to get called when VS starts? In other words, why this class gets active and it runs as of some code instantiate an object of this class type? Here is the only two files in the sample project: TextAdornment1Factory.cs using System.ComponentModel.Composition; using Microsoft.VisualStudio.Text.Editor; using Microsoft.VisualStudio.Utilities; namespace TextAdornment1 { #region Adornment Factory /// /// Establishes an to place the adornment on and exports the /// that instantiates the adornment on the event of a 's creation /// [Export(typeof(IWpfTextViewCreationListener))] [ContentType("text")] [TextViewRole(PredefinedTextViewRoles.Document)] internal sealed class TextAdornment1Factory : IWpfTextViewCreationListener { /// /// Defines the adornment layer for the adornment. This layer is ordered /// after the selection layer in the Z-order /// [Export(typeof(AdornmentLayerDefinition))] [Name("TextAdornment1")] [Order(After = PredefinedAdornmentLayers.Selection, Before = PredefinedAdornmentLayers.Text)] [TextViewRole(PredefinedTextViewRoles.Document)] public AdornmentLayerDefinition editorAdornmentLayer = null; /// <summary> /// Instantiates a TextAdornment1 manager when a textView is created. /// </summary> /// <param name="textView">The <see cref="IWpfTextView"/> upon which the adornment should be placed</param> public void TextViewCreated(IWpfTextView textView) { new TextAdornment1(textView); } } #endregion //Adornment Factory } TextAdornment1.cs using System.Windows; using System.Windows.Controls; using System.Windows.Media; using Microsoft.VisualStudio.Text; using Microsoft.VisualStudio.Text.Editor; using Microsoft.VisualStudio.Text.Formatting; namespace TextAdornment1 { /// ///TextAdornment1 places red boxes behind all the "A"s in the editor window /// public class TextAdornment1 { IAdornmentLayer _layer; IWpfTextView _view; Brush _brush; Pen _pen; ITextView textView; public TextAdornment1(IWpfTextView view) { _view = view; _layer = view.GetAdornmentLayer("TextAdornment1"); textView = view; //Listen to any event that changes the layout (text changes, scrolling, etc) _view.LayoutChanged += OnLayoutChanged; _view.Closed += new System.EventHandler(_view_Closed); //selectedText(); //Create the pen and brush to color the box behind the a's Brush brush = new SolidColorBrush(Color.FromArgb(0x20, 0x00, 0x00, 0xff)); brush.Freeze(); Brush penBrush = new SolidColorBrush(Colors.Red); penBrush.Freeze(); Pen pen = new Pen(penBrush, 0.5); pen.Freeze(); _brush = brush; _pen = pen; } void _view_Closed(object sender, System.EventArgs e) { MessageBox.Show(textView.Selection.IsEmpty.ToString()); } /// <summary> /// On layout change add the adornment to any reformatted lines /// </summary> private void OnLayoutChanged(object sender, TextViewLayoutChangedEventArgs e) { foreach (ITextViewLine line in e.NewOrReformattedLines) { this.CreateVisuals(line); } } private void selectedText() { } /// <summary> /// Within the given line add the scarlet box behind the a /// </summary> private void CreateVisuals(ITextViewLine line) { //grab a reference to the lines in the current TextView IWpfTextViewLineCollection textViewLines = _view.TextViewLines; int start = line.Start; int end = line.End; //Loop through each character, and place a box around any a for (int i = start; (i < end); ++i) { if (_view.TextSnapshot[i] == 'a') { SnapshotSpan span = new SnapshotSpan(_view.TextSnapshot, Span.FromBounds(i, i + 1)); Geometry g = textViewLines.GetMarkerGeometry(span); if (g != null) { GeometryDrawing drawing = new GeometryDrawing(_brush, _pen, g); drawing.Freeze(); DrawingImage drawingImage = new DrawingImage(drawing); drawingImage.Freeze(); Image image = new Image(); image.Source = drawingImage; //Align the image with the top of the bounds of the text geometry Canvas.SetLeft(image, g.Bounds.Left); Canvas.SetTop(image, g.Bounds.Top); _layer.AddAdornment(AdornmentPositioningBehavior.TextRelative, span, null, image, null); } } } } } }

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  • How to add header, footer with images using PDF::API2::Lite ?

    - by Space
    Is it possible to add header(with image) and footer (with page number) with images. I wrote below code to create a PDF document which shows png images. If this can be done easily with any other module, please suggest.Really appreciate response with sample code. use strict; use PDF::API2::Lite; use Getopt::Long; my $outfile; my $path; my $options = GetOptions( "outfile=s" => \$outfile, "images=s" => \$path,); my @images = sort glob("$path") or die "No Files\n"; my $pdf = PDF::API2::Lite->new(); for my $png ( sort @images ) { my $image = $pdf->image_png( "$png" ); $pdf->page(1150,450); $pdf->image($image, 10, 10); } $pdf->saveas( $outfile );

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  • PHP: Find total number of images having same name in a folder.

    - by Muhammad Sajid
    Hi, I am creating code to upload images in a folder using PHP, & before upload an image I check that if any image with same name already exists in the folder by using below syntax: if (file_exists('profilephoto/' . 'frame.gif')) { } But actually I don't want to restrict the user to upload more images with same name & obviously it is impossible to save two images with same name , but there is a way to just find total number of images with same name & upload the next image with appending total number + 1 with image name. Now I just want to know that using PHP how could we find total number of images having same name in a folder? Thanks.

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  • UIImageWriteToSavedPhotosAlbum working... sometimes.

    - by MegaEduX
    Hello, UIImageWriteToSavedPhotosAlbum is only working sometimes. Sometimes it works, sometimes it doesn't, exact same function. - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo { NSLog(@"Saving image to camera roll..."); UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil); NSLog(@"Done!"); } I am using a UIImagePicker controller to get the image that then calls that function. Sometimes it saves it to the camera roll, other times it simply doesn't. Anyone has any idea? Thanks in advance.

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  • ASUS U24a can't boot without live disk

    - by user98965
    I recently picked up a new ASUS U24a while travelling in asia. I've managed to go through hell with the UEFI setup, and finally now have a working GRUB. However, I can't manage to get past the "Loading initial ramdisk". If I boot the live CD-USB (only in BIOS legacy mode), I get a wonderful, working Ubuntu. I finally managed to get UEFI installed on the hard-drive (no option for legacy BIOS boot, or I'd be there in a flash!), and can boot in UEFI mode into GRUB2. But... I can't manage to get past the "loading initial ramdisk". It appears that the disk drivers are failing (there is no disk activity after this point). Ideas? pastebin from the boot-repair is at: http://paste.ubuntu.com/1290011/ best, -tony

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  • RewriteCond simply doesn't work, doesn't check properly if file exists

    - by ultranol
    Hey everybody. I've been trying to solve this for hours now but came up with nothing. Inside .htaccess, whenever somebody requests an image from a folder of my website, I'm trying to check if a file with the same name exists in another folder; if it does, return that file; if it doesn't, return the file originally requested. It seems so easy but it simply doesn't work. The .htaccess code is as follows: RewriteEngine On RewriteCond /images/blog/watermark/$1 -f RewriteRule ^(.*) /images/blog/watermark/$1 The "RewriteCond" always returns negative, so the image requested is always loaded as is. If I change it to, like, RewriteCond %{REQUEST_FILENAME} -f it always returns positive, so it gets the image from the folder I want - except when the image's not there, generating an error, which is exactly what I'm trying to prevent. What am I doing wrong? Thanks.

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  • referencing files that were included with vb.net solution

    - by every_answer_gets_a_point
    my application builds a pdf with images in the solution explorer i added a folder called pics and dropped all the images there when i run the program from my computer, there are no problems, but when i had a different user install the application they get this error: here's how i am including the image: Dim jpeg2 As Image = Image.GetInstance(Application.StartupPath & "\pics\1.jpg") i am using the itextsharp library why is the user having this problem?

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  • How do I constrain a container's height to the height of a specific content element?

    - by Robert Rossney
    I'm trying to do something which seems like it should be extremely simple and yet I can't see how. I have a very simple layout, a TextBox with an image next to it, similar to the way it might look adorned with an ErrorProvider in a WinForms application. The problem is, I want the image to be no higher than the TextBox it's next to. If I lay it out like this, say: <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto"/> <ColumnDefinition Width="Auto"/> </Grid.ColumnDefinitions> <TextBox Grid.Row="0" Grid.Column="0" MinWidth="100"/> <Image Grid.Row="0" Grid.Column="1" Source="error.png" /> </Grid> the row will size to the height of the image if the image is taller than the TextBox. This also happens if I use a DockPanel or StackPanel. The naive solution would be to bind the Height to the TextBox's ActualHeight. I'm sure this is wrong. But what's right?

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