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  • how to crop an image using rectangale overlay and touch on iphone

    - by Amir
    Hey Everyone, I am looking for a good tutorial or sample code, that would show how to crop an image taking from iphone camera something in lines of http://www.defusion.org.uk/code/javascript-image-cropper-ui-using-prototype-scriptaculous/ but you would control the corners with your fingers any tip would be greatly appericated, as i am new to iphone dev. Thanks, Amir

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  • How to modify PATH variable for X11 during log-in?

    - by user1028435
    I originally posted this over at StackOverflow, but someone said it might fit better here. Original question is here: http://stackoverflow.com/questions/10096327/overwriting-print-screen-actions-in-linux-without-administrative-rights. Decided to revise my question, based on what I learned there: Essentially, my problem is that I am working on some lab computers (read: no administrative rights) that, if I log in, I need to change the PATH variable as X11 starts. The reason is that I need to change the PATH variable at this time, as opposed to later, is that the Print Screen command seems to "bind" during login (forgive my bad explanation of this). You can see in the work-around I listed in the previous question, that I can make it work by starting a new X, but I was wondering if it is possible to change upon login. If this seems a poor explanation, you can check out the original link for my context and reasoning behind what I'm doing. Any ideas? Details about Distribution: cat /etc/redhat-release tells me: Red Hat Enterprise Linux Client release 5.8 (Tikanga)

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  • Adding sections to a plist for Xcode for use in Cocoa touch Table View

    - by Steve
    I am a beginning iPhone SDK programmer. I built a simple practice application I am trying to use to learn more about table views. It's an app that loads football teams from a plist and displays them in a table view with their stadium name and logo. Tapping the team goes to a detail view for that team. I am trying to understand how to add sections to this, so that I might have a couple of teams in one section and others in another section, etc. I would assume I need to both re-structure my plist and change the code to read arrays from the different levels of the plist? To begin, I had a plist with the root array consisting of 3 dictionaries, one for each team. Each dictionary had 3 keys, "name" "stadium" and "logo". This works fine. I am loading it via: NSString *path = [[NSBundle mainBundle] pathForResource:@"teams" ofType:@"plist"]; teams = [[NSMutableArray alloc] initWithContentsOfFile:path]; and then // Configure the cell. NSDictionary *team = [teams objectAtIndex:indexPath.row]; cell.textLabel.text = [team objectForKey:@"name"]; NSString *imgPath = [team valueForKey:@"logo"]; cell.imageView.image = [UIImage imageNamed:imgPath]; cell.detailTextLabel.text =[team objectForKey:@"stadium"]; return cell; No problem. But now I wanted the sections, so I changed my plist to: <array> <dict> <key>teams 1</key> <array> <dict> <key>name</key> <string>Packers</string> <key>stadium</key> <string>Lambeau Field</string> <key>logo</key> <string>packers.jpg</string> </dict> <dict> <key>name</key> <string>Jets</string> <key>stadium</key> <string>Giants Stadium</string> <key>logo</key> <string>jets_logo.jpg</string> </dict> </array> </dict> <dict> <key>teams 2</key> <array> <dict> <key>name</key> <string>Cincinnati Bengals</string> <key>stadium</key> <string>Paul Brown Stadium</string> <key>logo</key> <string>bengals.jpg</string> </dict> </array> </dict> And I am unsure how to modify the viewDidLoad to assign the sections to one NSArray and the teams "level" to another array.

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  • Preventing mouse emulation events (ie click) from touch events in Mobile Safari / iPhone using Javas

    - by Jaime Cham
    In doing a single page Javascript app with interactive DOM elements I've found that the "mouseover-mousemove-mousedown-mouseup-click" sequence happens all in a bunch after the "touchstart-touchmove-touchend" sequence of events. I've also found that it is possible to prevent the "mouse*-click" events from happening by doing an "event.preventDefault()" during the touchstart event, but only then, and not during the touchmove and touchend. This is a strange design, because because it is not possible to know during the touchstart yet whether the user intents to drag or swipe or just tap/click on the item. I ended up setting up a "ignore_next_click" flag somewhere tied to a timestamp, but this is obviously not very clean. Does anybody know of a better way of doing this, or are we missing something? Note that while a "click" can be recognized as a "touchstart-touchend" sequence (ie no "touchmove"), there are certain things, such as keyboard input focus, that can only happen during a proper click event.

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  • Screenshot shows black area with dual monitors on Ubuntu

    - by Hollister
    When using the built-in window screenshot function on Ubuntu (alt-printscreen) with dual monitors, a black rectangle covers about the top third of the captured window (or that area is not captured). When capturing the entire screen (printscreen), the left monitor shows the same size rectangle, but it doesn't cover the window, but pushes it down. It's as if the capture is using the smaller monitor's dimensions, and is not aware of the larger monitor. Here are the images: Window capture: http://moby.to/8d69hp Screen capture: http://moby.to/v99gqs When using the command line, I get this error: $ gnome-screenshot --window (gnome-screenshot:8522): GdkPixbuf-CRITICAL **: gdk_pixbuf_composite: assertion `dest_y >= 0 && dest_y + dest_height <= dest->height' failed System info: Ubuntu 10.04.2 LTS (Lucid) Linux 2.6.32-32-generic Left monitor (laptop) 1280x800 Right monitor (external) 1920x1080 Is there a way to get this to work? Edit: this does not happen with one monitor or when the monitors are mirrored.

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  • How could I safely fix my walking "dead pixel" bug?

    - by Cawas
    I need suggestions. I've got a live little bug inside my macbook pro screen for 2 days now. I've tried to film it using my iPhone, but it ain't that good. :( Should I try to open it? o_O C'mon, looking for ideas here! :) edit: Here's an alike video. It's not moving anymore for now... I hope it isn't dead! Right when I've found a possible solution along with many ideas on that link: suction cup; monitor off and lamp on to attract it out; scratching the screen (made it move a little); and got to know there's no warranty for this "feature" (also known as bad design in a jargon). edit2: It's been "fixed" on its own. Just check the answer.

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  • Touch event in CPLayerHostingView?

    - by senthilmuthu
    Hi, i am using Core-plot . but when i declare the normal UIView as CPLayerHostingView,how can i handle drawRect of that view , i cant give another custom UIview name and write code in drawRect of that view?please any help to handle drawRect of CPLayerHostingView?

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  • Why my own UIViewController can't detect touch?

    - by Tattat
    I have my OwnViewController, the viewDidLoad is like this: - (void)viewDidLoad { [super viewDidLoad]; UIImage *img = [UIImage imageWithContentsOfFile: [[NSBundle mainBundle] pathForResource:@"myImg" ofType:@"png"]]; CGRect cropRect = CGRectMake(175, 0, 175, 175); CGImageRef imageRef = CGImageCreateWithImageInRect([img CGImage], cropRect); UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 175, 175)]; imageView.image = [UIImage imageWithCGImage:imageRef]; self.view = imageView; CGImageRelease(imageRef); } It works, and I have detect touches method like this: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { NSLog(@"touchesBegan"); } But my UIView can't detect any touches. My Own UIViewController is a subclass of UIViewController. It is a little square view on the IB, why that can't detect touches? thx u.

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  • NEC MultiSync Resolution Problem

    - by PhilPursglove
    I have a slightly odd issue with my monitor, an NEC MultiSync LCD1970NXp. I'm running Windows 7 Ultimate on a Toshiba Tecra M5 laptop, and according to Windows Update I have the latest drivers. When I restart the laptop on the docking station at work with the monitor attached, it runs under 1024x800, but the optimum resolution for the monitor is 1280x1024, which isn't an available resolution in the Windows Screen Resolution dialog. If I restart the laptop undocked e.g. at home, it goes to 1280x1024, which is the resolution of the laptop screen. If I subsequently hibernate it and then wake it up on the docking station, the monitor then quite happily displays at 1280x1024. Can anyone suggest what the problem might be, or a method by which I can restart on the docking station and still get 1280x1024.

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  • Better Method of Opening TTY Permissions

    - by VxJasonxV
    At work, I have a few legacy servers that I log into as root, and then su down to a user. I continue to run into an issue where after doing so, I am unable to run screen as this user. I don't want to open screen as root, because then I have to consciously su down the user every new shell, and I often forget. The question is, is there an easier resolution to this than I'm currently aware of? My current solution is to find my terminal pts number, then set it chmod 666. I'm looking for something akin to X11's xhost ACL management, if such a thing exists for this situation.

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  • Cocoa touch SDK 3.2 - How to play video

    - by teepusink
    Hi, How do I play video on SDK 3.2 (iPad)? Read many questions here but they talked mostly for iPhone. For example, the MoviePlayer example here http://developer.apple.com/iphone/library/samplecode/MoviePlayer_iPhone/Introduction/Intro.html That works on 3.1.3 but when I run it on 3.2, it doesn't work. So basically I'm able to play a video on 3.1.3 using this code but the same code won't run on 3.2 NSString *moviePath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"Movie.mp4"]; MPMoviePlayerController *moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:[NSURL fileURLWithPath:moviePath]]; moviePlayer.movieControlMode = MPMovieControlModeDefault; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(movieFinishedCallback:) name:MPMoviePlayerPlaybackDidFinishNotification object:moviePlayer]; [moviePlayer play]; Thanks, Tee

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  • Is it possible to take a screenshot of a web page with ASP.net with C# Code

    - by vimalkumar G
    Is it possible to take a screenshot of a web page with ASP.net with C# Code and then submit that back to the server? In this code access only local host only, but same source code not access to the IIS, CopyFromScreen error ware occurred. What is the reason is it possible? Sample Source Code: Bitmap Bitmap; Graphics Graps; Bitmap = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height - 110, PixelFormat.Format32bppArgb); Graps = Graphics.FromImage(Bitmap); Graps.CopyFromScreen(Screen.PrimaryScreen.Bounds.X, 110, 0, 0, Screen.PrimaryScreen.Bounds.Size, CopyPixelOperation.SourceCopy); Bitmap.Save(Server.MapPath("~") + "/YourShot.gif");

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  • Would a multitouch capable PC allow me to do Android development simulating the touch UI without an Android device ?

    - by Scott Davies
    Hi, I recently purchased a Samsung Galaxy Tab as a reference implementation (phone and first gen Android tablet), of Android 2.x for app development. I have noticed a slew of Android 3.0 slates being talked about at CES 2011 (Motorola XOOM, etc.). If I had a multitouch PC with the Android SDK/Emulator on it, would this allow me to more closely approximate device simulation by allowing user input via the multitouch screen ? Would it work via touch just like Windows 7 recognizes touch as mouse style input ? Has anyone done this ? Thanks, Scott

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  • How can I get 2560 * 1600 on Win 7 ? MacBook Pro 17 + Dell 30 inch 3008 WFP + Fusion 3

    - by Tarek Demiati
    I run VM Ware Fusion 3 on a Mac Book Pro 17 hooked to a Dell 30 inch screen I CAN manage to get a Resolution of 2560 * 1600 on Mac OS X(MacBook Pro), but can't on Win 7 (on the exact same MacBook Pro) The highest resolution I can get on MS Win 7 is 2048 * 1536 (and I want to be able to set it to 2560 * 1600 to fully enjoy the real estate of my 30 inch screen!) I have searched the KB, and found an article which mentionned that I should add the following lines in the vmx file (which I did) The lines are the very bottom of the vmx file svga.maxWidth = "2560" svga.maxHeight = "1600" svga.vramSize = "16384000" KB Article : http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=1003&sliceId=1&docTypeID=DT_KB_1_1&dialogID=63746028&stateId=0%200%2066741566 I did the manipulation describe in the KB above however, I rebooted several times, but I still can't get the correct resolution to show in Windows

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  • Old notebook internal display randomly not recognized

    - by jfcfar
    I have an old Acer TM4001 notebook. If the laptop is powered-off, with the lid closed, when I power it on, it generally works. Then, without touching anything, if I reboot the computer the internal display wil not work anymore. To make it working again I need to shut down the pc, close and reopen the lid and then turn it on. If I close and reopen the lid if it is not working after power the pc on, it won't work. When the screen is working, closing and opening it has no effect (the data cable seems ok). The external monitor always works as expected: If the internal display is not detected, the external will be the main (and only) display. This is not OS-related. When the screen is not working I cannot see the POST. What could be the cause for this?

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  • Why is implementing copy-paste in a touch screen based smartphone such a big deal?

    - by EpsilonVector
    I'm not entirely sure this is on-topic, but it definitely needs a programmer's understanding to be answered, and deals with general development (for a specific scenario) as opposed to a specific piece of code. In a way it also translates into "what are the challenges in doing X in a touch screen app", and similar questions have been asked here in the past. So here it is: When Apple didn't implement copy-pasting on the iPhone since version 1 I just assumed it was a UI issue- they were waiting until they figured out a good UI for it. But now the idea is out there, and Microsoft still released Windows Phone 7 without copy-pasting, promising it'll be ready in a few months. My question is: why does this takes a few months to implement? Are there some technological challenges that are unique to programming for a touch screen that I'm not familiar with?

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  • How To Capture Screenshot Of Logon Screen In Windows 7?

    - by Gopinath
    There are plenty of freeware’s and paid applications that lets you capture screenshots. But none of them let you grab screenshot of Logon screen. In order to capture the screenshots of Logon screen we either had to use a Digital Camera and take a photo or run Windows in a virtual environment and capture screenshot.  Is there any other simple and easy way to grab Logon screenshots in Windows 7? Windows 7 Login Camera is a nice freeware that lets you capture screenshots of Logon screen very easily. To grab the screenshots install the application, lock the screen by pressing CTRL + L and use ease of access button located on the bottom left side. Windows 7 Login Camera launches and allows you save the captured screen on desired location. This handy tool is developed by deviantart.com website user yvidhiatama  and it’s compatible with all the 32bit version of Windows 7. Download Windows 7 Login Camera This article titled,How To Capture Screenshot Of Logon Screen In Windows 7?, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Why isn't multi-touch working for my imagebuttons?

    - by Droidy
    I'm using imagebuttons that play sounds using SoundPool. Here is example code of one of the imagebuttons: ImageButton Button1 = (ImageButton)findViewById(R.id.sound); Button1.setOnTouchListener(new OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN ) { mSoundManager.playSound(1); return false; } return false; } }); For some reason, it doesn't allow you to click multiple buttons at the same time. Is it because I'm building for 1.6 SDK? Thanks!

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  • movie does not start in full screen in flash video player

    - by jodeci
    We have this legacy code of a flash video player that functions well enough but still has some loose ends I need to tighten up. It can do the basic "switch to full screen and back to normal size" stunts, however with one exception. On the first fresh load of the app, if I switch to full screen mode first, and then click to play the movie, the player would be in full screen, yet the movie itself would remain in it's original size. //trigger if (stage.displayState == StageDisplayState.NORMAL) { stage.addEventListener('fullScreen', procFullScreen); stage.scaleMode = StageScaleMode.NO_SCALE; stage.displayState = StageDisplayState.FULL_SCREEN; //mv:VideoDisplay mv.percentHeight = 100; mv.percentWidth = 100; mv.x = 0; mv.y = 0; } // event handler if (event.fullScreen) { mv.smoothing = true; this.height = stage.height; this.width = stage.width; //videoCanvas:Canvas videoCanvas.height = Application.application.height; videoCanvas.width = Application.application.width; fullScreenViewStack.selectedIndex = 1; } The VideoDisplay object even returns the expected width/height, but the movie just plays in it's original size. If I switch screen sizes during movie playback, then the movie size will shrink or stretch as it should. I'm running out of ideas, any suggestions? Thanks in advance!

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  • Screen information while Windows system is locked (.NET)

    - by Matt
    We have a nightly process that updates applications on a user's pc, and that requires bringing the application down and back up again (not looking to get into changing that process). The problem is that we are building a Windows AppBar on launch which requires a valid screen, and when the system is locked there isn't one in the Screen class. So none of the visual effects are enabled and it shows up real ugly. The only way we currently have around this is to detect a locked screen and just spin and wait until the user unlocks the desktop, then continue launching. Leaving it down isn't an option, as this is a key part of our user's workflow, and they expect it to be up and running if they left it that way the night before. Any ideas?? I can't seem to find the display information anywhere, but it has to be stored off someplace, since the user is still logged in. The contents of the Screen.AllScreens array: ** When Locked: Device Name : DISPLAY Primary : True Bits Per Pixel : 0 Bounds : {X=-1280,Y=0,Width=2560,Height=1024} Working Area : {X=0,Y=0,Width=1280,Height=1024} ** When Unlocked: Device Name : \\.\DISPLAY1 Primary : True Bits Per Pixel : 32 Bounds : {X=0,Y=0,Width=1280,Height=1024} Working Area : {X=0,Y=0,Width=1280,Height=994} Device Name : \\.\DISPLAY2 Primary : False Bits Per Pixel : 32 Bounds : {X=-1280,Y=0,Width=1280,Height=1024} Working Area : {X=-1280,Y=0,Width=1280,Height=964}

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  • libreadline history lines combine

    - by jettero
    This has been driving me crazy for about three years. I don't know how to fully describe the problem, but I think I can finally describe a way to recreate it. Your milage may vary. I have a mixture of ubuntu server and desktop machines of various versions and a few gentoo machines with various states of disrepair. They all seem to kindof do their own thing, although with similarities. Try this and let me know if you see the same thing. pop open two xterms (TERM=xterm) resize one so they're not the same issue screen -R test1 in one (TERM=screen) and screen -x test1 in the other hooray, typing in one shows up in the other; although notice that their different size produces artifacts and things issue a couple commands in your shell hit ^AF in the one that doesn't fit quite right, now it fits!! scroll back over the history a little goto 6 Eventually you'll notice a couple history lines combine. If you don't, then it's something unique to my setup, which spans various distributions and computers; so that's a confusing concept to me. If you see the thing I'm seeing then this: bash$ ls -al bash$ ps auxfw becomes this: bash$ ls -al; ps auxfw It doesn't happen every time. I have to really play with it — unless I don't want it to happen, then it always does. On some systems (or combinations), I get a line separator like the example above. On some systems, I do not. That I get the line separator on some systems seems to indicate to me that bash supports this behavior. Its history is entirely handled by libreadline and after perusing (ie, carefully reading) the man pages, I couldn't find a single readline setting for combining two history lines. Nor can I find anything in the bash manpage. So, how can I invoke this on purpose? Or, if I can't do that, how can I disable it completely? I would take either answer as a solution. Currently, I only see it when I don't want it.

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  • Java Swing: JWindow appears behind all other process windows, and will not disappear

    - by Kim Jong Woo
    I am using JWindow to display my splash screen during the application start up. however it will not appear in front of all windows as it should, and it will not disappear as well. import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Toolkit; import javax.swing.BorderFactory; import javax.swing.ImageIcon; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JWindow; public class MySplash { public static MySplash INSTANCE; private static JWindow jw; public MySplash(){ createSplash(); } private void createSplash() { jw = new JWindow(); JPanel content = (JPanel) jw.getContentPane(); content.setBackground(Color.white); // Set the window's bounds, centering the window int width = 328; int height = 131; Dimension screen = Toolkit.getDefaultToolkit().getScreenSize(); int x = (screen.width - width) / 2; int y = (screen.height - height) / 2; jw.setBounds(x, y, width, height); // Build the splash screen JLabel label = new JLabel(new ImageIcon("splash.jpg")); JLabel copyrt = new JLabel("SplashScreen Test", JLabel.CENTER); copyrt.setFont(new Font("Sans-Serif", Font.BOLD, 12)); content.add(label, BorderLayout.CENTER); content.add(copyrt, BorderLayout.SOUTH); Color oraRed = new Color(156, 20, 20, 255); content.setBorder(BorderFactory.createLineBorder(oraRed, 0)); } public synchronized static MySplash getInstance(){ if(INSTANCE==null){ INSTANCE = new MySplash(); } return INSTANCE; } public void showSplash(){ jw.setAlwaysOnTop(true); jw.toFront(); jw.setVisible(true); return; } public void hideSplash(){ jw.setAlwaysOnTop(false); jw.toBack(); jw.setVisible(false); return; } } So in my main class which extends JFrame, I call my splash screen by SwingUtilities.invokeLater(new Runnable(){ @Override public void run() { MySplash.getInstance().showSplash(); } }); However, the JWindow appears behind the all open instances of windows on my computer. Hiding the JWindow also doesn't work. SwingUtilities.invokeLater(new Runnable(){ @Override public void run() { MySplash.getInstance().hideSplash(); } });

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