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• Server side caching doesn't work with HttpHandler

  - by Lieven Cardoen

  If we use an aspx page with a Caching Profile, the server caches images that are loaded with the aspx page. So if ten clients load the same image through the aspx page (same url), for one client the image is gotten out of the db, for the nine others it is cached. When we use a HttpHandler, this doesn't happen. The image is always fetched from the database. We have tried all different settings without any success. (we have checked this link and have not been able to cache on server side).

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• SOS, i erased a disk,1T.by mistake

  - by gabriel

  i tried to make bootable a flash drive from the startup disk creator, and i wanted to copy an iso of the 11.10 ubuntu, and when i tried to erase the flash drive i pressed erase on another removable drive 1T storage by mistake, VVVery very very quickly less than one second and with no warning everything was erased i suppose.Is that thing possible?When i tried before theis to erase the flash drive it took around a minute to erase the 8GB.But now less than a second for 1T? Please help, Gabriel

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• Can I draw Qt objects directly to Win32 DC (Device Context)?

  - by Kevin

  I can draw Qt objects to an QImage and then draw the image to HDC or CDC. This may hurt our application's performance. It would be great if I can draw Qt objects directly to Win32 HDC or MFC CDC. I expect that there is a class, say QWin32Image for clear, then I can use it in this way: QWin32Image image(hdc, 100, 100, Format_ARGB32_Premultiplied); QPainter painter(&image); painter.drawText(....); Is it possible for my thought? Or is there a better way to do that?

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• Simple question about image_graphviz

  - by garcon1986

  Hello, I'm trying to display the example of image_graphviz Here, but it doesn't display anything in my page. Here is my page: test.php <?php require_once 'Image/GraphViz.php'; $gv = new Image_GraphViz(); $gv->addEdge(array('wake up' => 'visit bathroom')); $gv->addEdge(array('visit bathroom' => 'make coffee')); $gv->image(); ?> I think there is something wrong with the path, and then i use the absolute path which is "C:/wamp/bin/php/php5.3.0/PEAR/Image/GraphViz.php". But it doesn't work too. Is there something wrong? Do you have any idea? Thanks a lot.

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• background scroll-y with liquid layout

  - by TwinPeaksMall

  I have a liquid layout but I am unsure how to get the background to act in the same manner as the content. I have an image which is being created using the scroll-y css call. On full screen it looks great and creates a bordered white box where all the main content goes in and is directly in the middle of the page. However when I resize my window the background image stays in the same place where as all my content is moved to adjust for the window size. Is there anyway to get the background scroll-y image to move in the same liquid style as the rest of the contenyt?

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• strange problem when placing UILabels on UITableView and calling reloadData

  - by user262325

  Hello everyone I hope to list all files in a directory to an UITableView atableview There are files in Document directory a.txt b.txt F (folder) c.txt in folder F, there are 2 files M.exe N.exe When I change to folder F, it should display on atableview M.exe N.exe but Result is in F, it displayed b.txt F the codes are shown as below -(void) removeACell:(NSInteger)row; { NSUInteger _lastSection = 0;//[self numberOfSectionsInTableView:atableview]; NSUInteger _lastRow =row;// [atableview numberOfRowsInSection:_lastSection] - 1; NSUInteger _path[2] = {_lastSection, _lastRow}; NSIndexPath *_indexPath = [[NSIndexPath alloc] initWithIndexes:_path length:2]; NSArray *_indexPaths = [[NSArray alloc] initWithObjects:_indexPath, nil]; [_indexPath release]; [atableview deleteRowsAtIndexPaths:_indexPaths withRowAnimation:UITableViewRowAnimationBottom]; [_indexPaths release]; } -(void) reloadDirectory { if([fileArray count]>0) { NSInteger n=fileArray.count; for(int i=n-1;i>=0;i--) { [fileArray removeObjectAtIndex: i]; [self removeACell:i]; } } NSFileManager *manager = [NSFileManager defaultManager]; NSLog(@"*******************" ); NSLog(@"ffff%@",[self appDelegate].gCurrentPath_AppDelegate); for(NSString *path in [manager contentsOfDirectoryAtPath:[self appDelegate].gCurrentPath_AppDelegate error:nil]) { NSDictionary *modData= [manager attributesOfItemAtPath: [appDelegate.gCurrentPath_AppDelegate //directory of files stringByAppendingPathComponent:path ] error:nil ]; NSDate * dateModified=(NSDate *) [modData objectForKey:NSFileModificationDate]; NSNumber *fileSize=[modData objectForKey:NSFileSize] ; if(dateModified) { FileObj *newobj=[[FileObj alloc] init ]; [ newobj seta:1]; NSString *ss=[[NSString alloc] initWithFormat:@"%@",path] ; [newobj setfileName:ss]; NSLog(@"---------------%@",ss); BOOL isDir; [manager fileExistsAtPath:[appDelegate.gCurrentPath_AppDelegate stringByAppendingPathComponent:path ] isDirectory:&isDir]; [newobj setisDirectory: isDir ]; [newobj setfilePath:@"1"]; NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; [formatter setDateFormat:@"EEE MMM dd HH:mm:ss zzz yyyy"]; NSString *stringFromDate =[[NSString alloc] initWithString: [formatter stringFromDate:dateModified]]; [newobj setfileDate:stringFromDate]; [formatter release]; NSString * fileSize1= [[NSString alloc] initWithFormat:@"%d",[fileSize integerValue] ]; [newobj setfileSize: fileSize1]; [ fileArray addObject:newobj]; [newobj release]; }; [atableview reloadData]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { NSInteger row=[indexPath row]; NSInteger section=[indexPath section]; static NSString *SimpleTableIdentifier1 = @"CellTableIdentifier"; UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier: SimpleTableIdentifier1 ]; int newRow = [indexPath row]; selectIndex=newRow; if(cell==nil) { //**breakpoint AAA here** CGRect cellframe=CGRectMake(0, 0, 300, 60); cell=[[[UITableViewCell alloc] initWithFrame:cellframe reuseIdentifier:SimpleTableIdentifier1] autorelease]; if ([[fileArray objectAtIndex:row] getisDirectory]) { UIImage *image = [UIImage imageNamed:@"folder.png"]; cell.imageView.image = image; } else { UIImage *image = [UIImage imageNamed:@"files.png"]; cell.imageView.image = image; } cell.accessoryType=UITableViewCellAccessoryDetailDisclosureButton; ///-------------------------------------------------------- UILabel *b1 =[ [UILabel alloc]init]; b1.frame = CGRectMake(40.9f,8.0f,250.0f,20.0f) ; [b1 setBackgroundColor:[UIColor clearColor]]; [b1 setTag:(row+15000)]; //------------------------------------------------------- UILabel *b2 =[ [UILabel alloc]init]; b2.frame = CGRectMake(40.9f,30.0f,250.0f,13.0f) ; [b2 setBackgroundColor:[UIColor clearColor]]; [b2 setTag:row+16000]; [b2 setFont:[UIFont systemFontOfSize:10.0]]; //------------------------------------------------ UILabel *b3 =[ [UILabel alloc]init]; b3.frame = CGRectMake(40.9f,45.0f,250.0f,13.0f) ; [b3 setBackgroundColor:[UIColor clearColor]]; [b3 setFont:[UIFont systemFontOfSize:10.0]]; [b3 setTag:row+17000]; [cell.contentView addSubview:b1]; [cell.contentView addSubview:b2]; [cell.contentView addSubview:b3]; [b1 release]; [b2 release]; [b3 release]; }; if([fileArray count]>0) //check if fileArray is correct { NSLog(@"___________________" ); for (int i=0;i<[fileArray count];i++) { NSLog(@"->%@",[[fileArray objectAtIndex:i] getfileName] ); } } UILabel *tem1UILabel=(UILabel*)[cell.contentView viewWithTag:row+15000]; NSString *s1=[[NSString alloc] initWithFormat: [[fileArray objectAtIndex:row] getfileName] ]; NSLog(@"--->%@",s1 ); tem1UILabel.text=s1; [s1 release]; UILabel *tem2UILabel=(UILabel*)[cell.contentView viewWithTag:row+16000]; NSString *s2=[[NSString alloc] initWithFormat: [[fileArray objectAtIndex:row] getfileDate] ]; tem2UILabel.text=s2; [s2 release]; UILabel *tem3UILabel=(UILabel*)[cell.contentView viewWithTag:row+17000]; NSString *s3=[[NSString alloc] initWithFormat: [[fileArray objectAtIndex:row] getfileSize]]; tem3UILabel.text=s3; [s3 release]; return cell; } I set the breakpoint at AAA and found that when I loaded folder F, my application did stop at the breakpoint. But I have removed all cells in atableview before call 'reloadData'. I checked the content of fileArray which is the data source of atableview and found that everything is correct except the display on atableview. Welcome any comment. Thanks interdev

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• Problems with Snow Leopard, Django & PIL

  - by Cato Johnston

  Hi I am having some trouble getting Django & PIL work properly since upgrading to Snow Leopard. I have installed freetype, libjpeg and then PIL, which tells me: --- TKINTER support ok --- JPEG support ok --- ZLIB (PNG/ZIP) support ok --- FREETYPE2 support ok but when I try to upload a jpeg through the django admin interface I get: Upload a valid image. The file you uploaded was either not an image or a corrupted image. It works fine with PNG files. Any Ideas?

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• Eclipse standard warning/error overlay icons

  - by pulzar

  I'm writing an Eclipse plug-in... In my custom label decorator, I want to overlay a warning icon, and I'd like to use the standard one used by eclipse (the little yellow triangle). How can I get an image descriptor of this icon? I tried using workbench.getSharedImages().getImageDescriptor(ISharedImages .IMG_DEC_FIELD_WARNING), since that ID seems to match what I'm looking for, but the shared images collection doesn't actually have that image in it (so I just get a null returned). Is there some other shared image collection that I should be looking at?

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• Android Cursor size

  - by Deborah Kim

  Hey, Anyone knows how to change cursor size in Edittext in Anroid??? I'm trying to implement SMS function. I used EditText and tried to put background image. The background image has lines so I need to put extra space between lines so that the background image and the lines fit nicely. But... if I use linespacingextra, it increase cursor as well. That means the fontsize will be smaller than the cursor size. Any idea??

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• wisotool 20100530 has been released

  <b>Wine-Reviews:</b> "Dan Kegel today released wisotool 20100530. wisotool is a handy winetricks-like script for automatically installing games from .iso or .mds files copied from your own dvds (or, if the game is freely downloadable, it will download it)."

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• How do I draw a texture-mapped triangle in MATLAB?

  - by Petter

  I have a triangle in (u,v) coordinates in an image. I would like to draw this triangle at 3D coordinates (X,Y,Z) texture-mapped with the triangle in the image. Here, u,v,X,Y,Z are all vectors with three elements representing the three corners of the triangle. I have a very ugly, slow and unsatisfactory solution in which I (1) extract a rectangular part of the image, (2) transform it to 3D space with the transformation defined by the three points, (3) draw it with surface, and (4) finally masking out everything that is not part of the triangle with AlphaData. Surely there must be an easier way of doing this?

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• Custom background for UINavigationBar in landcape mode

  - by lostInTransit

  Hi I am adding a custom background for my UINavigationBar. It works fine as long as the phone is in portrait mode. As soon as I switch to landscape mode, half the bar appears blue (the default navbar color) and half of it has my image How can I stretch the image for landscape mode and make it small again for portrait mode? Thanks Solution Incase anyone is looking for an answer to how to add an image to navigation bar - here goes UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0.0, 0.0, 480.0, 44.0)]; [imgView setImage:[UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"navbar_landscape" ofType:@"png"]]]; [navigationController.navigationBar addSubview:imgView]; [imgView release];

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• Publishing SWF using Adobe Flash

  - by Kim

  Hello everyone, I have a SWF file which contains of an image (1keyframe) and also, it contains an AS3 file with the following codes: var loader:Loader=new Loader(); var ur:URLRequest=new URLRequest("1.swf"); loader.load(ur); addChild(loader); so basically, i am trying to play the swf file (1.swf - an audio) while the image is being displayed. What I want to know is how will I be able to publish this project into an SWF file which can still play as expected even without the raw 1.swf file. I can publish SWF right now but when I delete the 1.swf file, my generated swf can only display the image. Help me please. Thanks in advance :)

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• Javascript draw dynamic line

  - by Ranch

  Hello, I'm looking for Javascript code for letting the user draw a line (on an image). Just as the line tool in Photoshop (for example): The user clicks on the image, drags the mouse (while the line between the start point and the mouse point is dynamically drawn on mouse drag). I would also need a callable function to send the page the start and end coordinates. I've found this very nice script for area selection: http://www.defusion.org.uk/code/javascript-image-cropper-ui-using-prototype-scriptaculous/ and I've found many script for drawing lines (and other shapes in JS), but could not find what I'm looking for. Thanks

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• SUSE Studio is powerful OS instance builder

  <b>IT World:</b> "Today, Novell's SUSE Studio is a Web-based virtual appliance/ISO image creator using SUSE Linux. It has no parallels that we can find for building operating systems instances."

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• display:inline-block and text-indent

  - by Daniele Cruciani

  I am experiencing a problem with the following code in some versions of Internet Explorer: #iconautente{ background-image:url('/style/images/spritecommon.png'); /*icona_utente.png*/ background-position:-117px -15px; text-indent:-9000px; width:20px; height:23px; display:inline-block; } <a id="iconautente" href="/admin/index.php">admin</a> In Firefox, IE7 and IE8 under Vista, I see background and no text, as expected. In IE6 and IE8 under XP, the whole image is indented, not text, so the image is not shown. What should be the right behavior? Is there a workaround?

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• Eye Detection Problem In Opencv

  - by iva123

  Hi, I'm trying to convert this c code(http://nashruddin.com/OpenCV_Eye_Detection) to the python code, but in c style, he used cvROI thing, since ROI functions are not supported by python-opencv, I tried cvGetSubRect so Here is the eye detection part of the code : eye_region = cvGetSubRect(image,cvRect(face.x,int(face.y + (face.height/4)),face.width,int(face.height/2))) eyes = cvHaarDetectObjects(eye_region,eyeCascade,memo,1.15,3,0,cvSize(25,15)) for e in eyes: cvRectangle(image, cvPoint( int(e.x), int(e.y)), cvPoint(int(e.x + e.width), int(e.y + e.height)), CV_RGB(0, 255, 0), 1, 8, 0) return image; When I run this code, It draws rectangles irrelevant places. I thought, eye_region coordinates are wrong, and tried some coordinates, but it didn't work. Any idea ? Note :Face detection method works very well, and it's code is same with the eye detection method.

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• How do I translate a point from one rect to a point in a scaled rect?

  - by Bill

  I have an image (i) that's been scaled from its original size (rectLarge) to fit a smaller rectangle (rectSmall). Given a point p in rectSmall, how can I translate this to a point in rectLarge. To make this concrete, suppose I have a 20x20 image that's been scaled to a 10x10 rect. The point (1, 1) in the smaller rect should be scaled up to a point in the larger rect (i.e. (2,2)). I'm trying to achieve this with: result.x = point.x * (destRect.size.width / srcRect.size.width ); result.y = point.y * (destRect.size.height / srcRect.size.height); However, the points generated by this code are not correct - they do not map to the appropriate point in the original image. What am I doing wrong?

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• How to use jquery error(red) icons

  - by Kuntal Basu

  I have a span like this <span class="ui-icon ui-icon-circle-close"></span> which gives display a close icon of color same as the theme color. But want to use the red icons which are available for the error. Which jquery class should I use for that. I have a span like this <span class="ui-icon ui-icon-circle-close"></span> which gives display a close icon of color same as the theme color. But want to use the red icons which are available for the error. Which jquery class should I use for that. I found a class in Jquery css .ui-state-error .ui-icon, .ui-state-error-text .ui-icon {background-image: url(images/ui-icons_cd0a0a_256x240.png); } this image is the image which contains jquery red icons . But I cant use it.

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• Remastersys problem with Ubuntu 12.04

  - by Vimal Kumar

  I successfully installed remastersys latest version for precise in Ubuntu 12.04 and created iso by executing backupmode. When installation in final stages I got the following error, "The username you entered is invalid. Note that usernames must start with a lowercase letter, which can be followed by any combination of numbers and more lower case letters." After it quit the installation. Can you help me to solve this problem? Regrads

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• bitmap button not displaying in 3D style

  - by Rohit Sasikumar

  Hi, I want to display on my dialog, a bitmap button. I am using the below code CImage image; hr = image.Load(_T("myimage.png")); // just change extension to load jpg bitmap.Attach(image.Detach()); m_button.ModifyStyle(0,BS_BITMAP); m_button.SetBitmap(bitmap); This way bitmap is correctly displayed on button, but the button is not displayed in 3D style as normal buttons would look. I have set owner drawn property to false, still it displaying like this. Any ideas as to what could be wrong? Thanks, Rohit

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• How to save file using JFileChooser??

  - by Lokesh Kumar

  Hi, I have a method in my application called "Save as" which Saves the image of my application on computer my into a file. I used the JFileChooser to let the users choose their desired location for saving the file. The problem is unless user explicitly types in the file format, it saves the file with no extension. How can I have formats like jpg, png in the File Type drop down menu. and, how can i get extension from the File Type drop menu for saving my image file. ImageIO.write(image,extension,file);

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• Computing orientation of a square and displaying an object with the same orientation

  - by Robin

  Hi, I wrote an application which detects a square within an image. To give you a good understanding of how such an image containing such a square, in this case a marker, could look like: What I get, after the detection, are the coordinates of the four corners of my marker. Now I don't know how to display an object on my marker. The object should have the same rotation/angle/direction as the marker. Are there any papers on how to achieve that, any algorithms that I can use that proofed to be pretty solid/working? It doesn't need to be a working solution, it could be a simple description on how to achieve that or something similar. If you point me at a library or something, it should work under linux, windows is not needed but would be great in case I need to port the application at some point. I already looked at the ARToolkit but they you camera parameter files and more complex matrices while I only got the four corner points and a single image instead of a whole video / camera stream.

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• WPF: How to get the event when one FrameworkElement comes in contact with other FrameworkElement

  - by Raghav

  I am developing a small application with images and trash box icon on right hand bottom. I have multiple images floating in the main window, and using mouse I can move image from one corner to other corner of window, left, right, top and bottom. I can't figure out how do I catch an event when a image touches and panel (with trash box image), in the right hand corner. Does anybody knows which event or handler to listen? This is not a drag and drop case since my images are floating so no point using drag and drop. Thank you

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• How to Create a bootable Ubuntu USB flash drive from terminal

  - by Avinash Raj

  Is there any possibility to create a Ubuntu USB flash drive from terminal without using any third-party applications like YUMI,Unetbootin,etc. I tried to create a bootable ubuntu flash drive with dd method, sudo umount /dev/sdb sudo dd if=/path/to/ubuntu.iso of=/dev/sdb bs=1M It create files on the USB disk,but when i try to boot the usb disk it says Operating System Not Found error. Any help will be appreciated!

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