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  • UIImages on UITableView?

    - by babu Kong
    what is the best method to display about 300 png images into a UITableView.. i dont wanna display them at the same time... i have 3 tableViewControllers that will each display about 100 imgaes.. (its for a catalog so the images are important to display) i used [uiimage imageNamed:] but that method caches the images and they dont get released so the memory usage is big.... is there any way to release the cache when the nav controller pushes a different view controller? i also tried [uiimage alloc] initWithContentsOfFile] but the images wont display.... any help?

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  • disable Alert view button

    - by shishir.bobby
    HI all, i hv an alert view for twitter posting. Alert view has 2 button and a textfeild send and cancel i want to disable send button,until user fills the message box(i.e textfeild). like,empty field kind of validation. so,how can i disable send button?? regards shishir

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  • copy array from one class to another class array

    - by shishir.bobby
    hi all, i hv an array ("array A", which contains 3 objects, fox ex, to,from,message) in class "A". and in class "B",i m having another array ("array B"),which fills tableview,of class "B" only. i need to fill tableview,with the values of class A's array (i.e array A,with the object values, to,from,message). how can i do it?? how to copy array from another class ? i hope i m clear with my question regards shishir

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  • Access Violation Exception only appearing when running C# app without debugger attached

    - by Jon
    I have an application that works fine in Visual Studios 2008, and I am trying to get it into VS 2010 in order to use .NET 4, and I have a really weird problem. When I run the code from either Release mode or Debug mode with the debugger attached (F5), I have no problems running the program. However, when I run the program from either Release or Debug without the debugger attached (Shift+F5), I get an Access Violation Exception when I attempt to run some code in a dll from GDCM. I've created the dlls by using CMake and Swig and following the instructions here adjusting the instructions where necessary to build for VS 2010 and .NET 4. Does any one have any ideas why this is happening and how I can fix it?

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  • Ad Hoc Distribution

    - by Taimur Hamza
    Hi everybody, This is the error generated when i drag App file and Mobile Provision File into the iTunes and sync it. The application '" was not installed on your iPhone "" because it is not signed" I have been working on this problem for 3 days now . Can anybody help me Please. I have to send this file to the client. Taimur

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  • iPhone: Remove annotation from MKMapView which is in another view

    - by Nic Hubbard
    I have two views. The first is a MKMapView with some annotations. Clicking a UIButton pushes a second view on the stack. This has a UITableView with a list of annotations which correspond to the map annotations. So, when you click the delete button, how can I call my MKMapView which is in another view, so that I can remove the annotation. My MKMapView is declared in my app delegate, as well as my current class. I am trying to use the following, but it is not working: RideAppDelegate *appDelegate = (RideAppDelegate *)[[UIApplication sharedApplication] delegate]; Annotation *ano; CLLocationCoordinate2D anoPoint; anoPoint.latitude = [[eventToDelete valueForKey:@"latitude"] doubleValue]; anoPoint.longitude = [[eventToDelete valueForKey:@"longitude"] doubleValue]; ano = [[[Annotation alloc] init] autorelease]; ano.coordinate = anoPoint; [appDelegate.ridesMap removeAnnotation: ano]; [appDelegate release]; I must be trying to access the MKMapView of my other view incorrectly?

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  • XCode 3.2 does not mark unit test assert failures in the editor

    - by Cliff
    I've been off in Java land for about a month or so and now, upon returning to XCode I feel lost. I've upgraded 1st to 3.1.2 then recently to 3.2 and also got a new Mac with Snow Leopard so I'm not exactly sure when the problem surfaced. I just know that I used to get little red bubbles in my unit test next to the failing asserts and that no longer seems to happen. Is there a way to restore this? I've been trying to use Apple's own SenTesting framework instead of GoogleTools for mac like I used to. Should I revert to Google Tools? Does anyone have an answer?

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  • How to save video from a url to disk, also how to begin playback after some buffering?

    - by Shizam
    First question is, given a url to an mp4 video, how can I save that file to disk? The followup to that is while its saving, can I begin playback after its buffered some of the video to disk or do I have to wait for the entire file to be written and then: MPMoviePlayerController* theMovie=[[MPMoviePlayerController alloc] initWithContentURL:theURL]; using the path to the local file. Thanks, Sam

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  • How to save video from a url to disk, also how to begin playback after some buffering?

    - by Shizam
    First question is, given a url to an mp4 video, how can I save that file to disk? The followup to that is while its saving, can I begin playback after its buffered some of the video to disk or do I have to wait for the entire file to be written and then: MPMoviePlayerController* theMovie=[[MPMoviePlayerController alloc] initWithContentURL:theURL]; using the path to the local file. Thanks, Sam

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  • How to set NSZombieEnabled for debugging EXC_BAD_ACCESS on release target for an iPhone app?

    - by Bobby Moretti
    I'm developing an iPhone application. I have an EXC_BAD_ACCESS that occurs only in the release target; when I build the debug target the exception does not occur. However, when I set the NSZombieEnabled environment variable to YES, I still get the EXC_BAD_ACCESS with no further information. Is it even possible for NSZombieEnabled to work when executing the release target? I don't see why not, since gdb is running in both cases...

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  • how to create iPhone main menu screen with 2 tabbars subview ?

    - by Boaz
    Hi. I made two applications that each one of them is tabbar based. Now I want to combine them to one app that will be struct like that: -Main menu with 2 buttones. - button 1: tab bar app no 1. - button 2: tab bar app no 2. from each tab bar app, I want an Home button on the left side of the nav bar that will take me to the main menu. I found this link http://www.pushplay.net/blog_detail.php?id=27 but it's not good to me.. I will be happy if you will able to post some simple code for my problem.. Thanks.

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  • How to use CFNetwork to get byte array from sockets?

    - by Vic
    Hi, I'm working in a project for the iPad, it is a small program and I need it to communicate with another software that runs on windows and act like a server; so the application that I'm creating for the iPad will be the client. I'm using CFNetwork to do sockets communication, this is the way I'm establishing the connection: char ip[] = "192.168.0.244"; NSString *ipAddress = [[NSString alloc] initWithCString:ip]; /* Build our socket context; this ties an instance of self to the socket */ CFSocketContext CTX = { 0, self, NULL, NULL, NULL }; /* Create the server socket as a TCP IPv4 socket and set a callback */ /* for calls to the socket's lower-level connect() function */ TCPClient = CFSocketCreate(NULL, PF_INET, SOCK_STREAM, IPPROTO_TCP, kCFSocketDataCallBack, (CFSocketCallBack)ConnectCallBack, &CTX); if (TCPClient == NULL) return; /* Set the port and address we want to listen on */ struct sockaddr_in addr; memset(&addr, 0, sizeof(addr)); addr.sin_len = sizeof(addr); addr.sin_family = AF_INET; addr.sin_port = htons(PORT); addr.sin_addr.s_addr = inet_addr([ipAddress UTF8String]); CFDataRef connectAddr = CFDataCreate(NULL, (unsigned char *)&addr, sizeof(addr)); CFSocketConnectToAddress(TCPClient, connectAddr, -1); CFRunLoopSourceRef sourceRef = CFSocketCreateRunLoopSource(kCFAllocatorDefault, TCPClient, 0); CFRunLoopAddSource(CFRunLoopGetCurrent(), sourceRef, kCFRunLoopCommonModes); CFRelease(sourceRef); CFRunLoopRun(); And this is the way I sent the data, which basically is a byte array /* The native socket, used for various operations */ // TCPClient is a CFSocketRef member variable CFSocketNativeHandle sock = CFSocketGetNative(TCPClient); Byte byteData[3]; byteData[0] = 0; byteData[1] = 4; byteData[2] = 0; send(sock, byteData, strlen(byteData)+1, 0); Finally, as you may have noticed, when I create the server socket, I registered a callback for the kCFSocketDataCallBack type, this is the code. void ConnectCallBack(CFSocketRef socket, CFSocketCallBackType type, CFDataRef address, const void *data, void *info) { // SocketsViewController is the class that contains all the methods SocketsViewController *obj = (SocketsViewController*)info; UInt8 *unsignedData = (UInt8 *) CFDataGetBytePtr(data); char *value = (char*)unsignedData; NSString *text = [[NSString alloc]initWithCString:value length:strlen(value)]; [obj writeToTextView:text]; [text release]; } Actually, this callback is being invoked in my code, the problem is that I don't know how can I get the data that the windows client sent me, I'm expecting to receive an array of bytes, but I don't know how can I get those bytes from the data param. If anyone can help me to find a way to do this, or maybe me point me to another way to get the data from the server in my client application I would really appreciate it. Thanks.

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  • "Unable to start program" on Debug Immediately After Successful Build

    - by TZ_Geek
    When I try to run my first application with the debugger, I get a pop up which says: Visual C__ 2008 Express Edition This project is out of date: ProgName - Debug Win32 Would you like to build it? [Yes[ [No] [Cancel] [ ] Do not show this dialog again? I find this somewhat bothersome, because the very last thing that I did just before that was build the application. And the build did complete successfully (immediately before I clicked on Start Debugging -- F5.) The second time I pressed with wrong cilck on the Answer [No] on the same msg Now, I can't compile my apps What exactly does "do not show this dialog again" mean? It sounds to me like its going to remember my answer and use the same answer every time this situation occurs in the future. I did some stuffs like "Clean Solution" then "Build Solution" then "Start Debugging" ,but the same problem what's the solution ,how can I reset this message to make it work again .

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  • Updated iphone application not live yet

    - by Vishal Mali
    Hi All, 3 weeks back we uploaded an application on the iTunes(V1.0). On Thursday we updated that application with new build (V1.2). I clicked the "Update" button on itunesconnect.apple.com and followed uploaded the new binary and new contents. On the next day the Description and price tag are updated successfully, but the build version number and screens shots are still from the previous version. And the amazing thing we noticed is that application status is "Waiting for Review" from last 2 days... :( I tried to play with release date, but still application status is "Waiting for Review". Its been 2 days that there is no activity happening from apple... :( Please help me in this scenario..... Thanks in advance. Regards, Vishal.

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  • How do you tell what object is being touched in touchesBegan?

    - by Flafla2
    I know that this is a very commonly asked question, but all of the answers on every website don't work! If you still don't know what I mean, then maybe this line of code will help you understand. - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [[event allTouches] anyObject]; CGPoint location = [touch locationInView:self.view]; if (touch.view == nextbutton) [self performSelector:@selector(next)]; if (touch.view == prevbutton) [self performSelector:@selector(previous)]; if (touch.view == moreoptionsbutton) [self performSelector:@selector(moresettings)]; } It doesn't do anything when you touch nextbutton, prevbutton, and more optionsbutton, which are UIImageViews by the way. I have also tried using isEqual: instead of ==, but that hasn't worked out either. Any suggestions?

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  • Not able to capture Enter key in WinForms text box

    - by Michael Hermes
    When the user is entering a number into a text box, I would like them to be able to press Enter and simulate pressing an Update button elsewhere on the form. I have looked this up several places online, and this seems to be the code I want, but it's not working. When data has been put in the text box and Enter is pressed, all I get is a ding. What am I doing wrong? (Visual Studio 2008) private void tbxMod_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { btnMod.PerformClick(); } }

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  • Are these AVAudioSettings right?

    - by Dyldo42
    self.recordSettings = [NSMutableDictionary dictionary]; [recordSettings setValue:[NSNumber numberWithInt:kAudioFormatAppleIMA4] forKey:AVFormatIDKey]; [recordSettings setValue:[NSNumber numberWithFloat:44100.0] forKey:AVSampleRateKey]; [recordSettings setValue:[NSNumber numberWithInt:1] forKey:AVNumberOfChannelsKey]; recordSettings is declared in my view's header file and initialised in its viewDidLoad method. For some reason, everything is working in the simulator, but on a device, the [recorder record] method is returning NO. The only theory I have is that something in the recordSettings isn't compatible with an actual device. Any ideas?

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  • Does Firefox on OS X Lion make use of Full Page Zoom for the touchpad? How to customize behavior?

    - by Steven Lu
    I really like the smooth pinch-zoom of Safari using the touchpad, but the two-finger scroll on Firefox is so much better than the scrolling performance in Safari. So I really like to use Firefox, but then I miss out on two-finger-double-tap to zoom to paragraph width, and the smooth pinch gesture zoom. What I'm wondering is if it is possible to write a Firefox Extension to improve the update rate of the full-page zoom in Firefox that is already functioning via the touchpad pinch gesture. I feel like it is specifically programmed to zoom at certain zoom levels: 100%, 120%, 150% (these are guesses of mine) but I think it would be great if I can get some more control there to make it work more like the zoom functionality in Safari. Also the two-finger-double-tap on a paragraph or element to zoom to it would be really awesome as well. https://developer.mozilla.org/en/Full_page_zoom This seems to indicate (if "full page zoom" is what I think it is) that an extension has the ability to zoom to an arbitrary scale factor, but what remains is to find out if it is possible to obtain or hook the touchpad pinch gesture. Update: I have updated the toolkit.zoomManager.zoomValues option in about:config to include more zoom levels: .3,.5,.67,.8,.9,1,1.01,1.02,1.03,1.04,1.05,1.06,1.07,1.08,1.09,1.1,1.2,1.33,1.5,1.7,2,2.4,3 Notice how I inserted a bunch of entries between 1 and 1.1. But it isn't switching between them any faster (why would it?) so it's less usable than before because of waiting for it to respond fast enough. It's clear that re-rendering the page at a different zoom level requires time and in order for the zoom to be dynamic, some kind of screen capture and scale effect must be performed (which is what Safari does). I guess such a thing is probably doable but I don't think I could pull it off. :-/

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  • VS2010, VSS and post-commit hook?

    - by David Lively
    I'm using Visual Studio 2010 and VSS. Yes, I know VSS sucks. Hard. I'm attempting to force a move to TFS (since SVN integration with Expression and Sharepoint Designer is near impossible without forcing non-technical content managers to use TortoiseSVN), but that will not happen in the short term. I'm working with a local copy of the (classic ASP 3.0) site, and need to publish individual files to a web folder on our dev server whenever I check in a file so that the changes can be seen by other interested parties without having to publish from VSS. Does anyone know of a convenient way to add a post-commit script with VSS? It's acceptable for this script to run on my dev box (as opposed to the server), considering that VSS has no server to execute such actions.

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