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  • Call AppDelegate Method from Class

    - by golfromeo
    Basically, I need to call a method in my AppDelegate from one of my view controller classes. Currently, I'm doing the following: myAppDelegate *appDelegate = (myAppDelegate *)[[UIApplication sharedApplication] delegate]; [appDelegate doMethod]; And including the myAppDelegate.h at the top of the .m file of the class: #import "myAppDelegate.h" When I run it, everything works... But I get the following warning: warning 'myAppDelegate' may not respond to '-doMethod' Is there another way that I should reference the app delegate? Thanks for any help in advance.

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  • WINSDK: Determining whether an arbitrary pid identifies a running process on Windows

    - by Vlad Romascanu
    Attempting to implement a poor man's test of whether a process is still running or not (essentially an equivalent of the trivial kill(pid, 0).) Hoped to be able to simply call OpenProcess with some minimal desired access then test for either GetLastError() == ERROR_INVALID_PARAMETER or GetExitCodeProcess(...) != STILL_ACTIVE. Nice try... Running on Windows XP, as administrator: HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid); if (!hProc) { DWORD dwLastError = GetLastError(); } ...fails miserably with dwLastError == ERROR_ACCESS_DENIED when pid is owned by a different (not SYSTEM) user. Moreover, if pid was originally owned by a different user but has since terminated, OpenProcess also fails with ERROR_ACCESS_DENIED (not ERROR_INVALID_PARAMETER.) Do I have to use Process32First/Process32Next or EnumProcesses? I absolutely do not want to use SeDebugPrivilege. Thanks, V

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  • ABPeoplePicker select and return a phone number

    - by palominoz
    Under (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *) peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier{} is it possible to get returned the phone number or somewhat the user has clicked?

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  • How To Read A Remote Text File

    - by XcodeDev
    Hi, I would like to read a remote text file called posts.txt on my website. An example of the insides of the posts.txt file would be this: <div style="width : 300px; position : relative"><font face="helvetica, geneva, sans serif" size="6"><b>2</b></font><font face="helvetica, geneva, sans serif" size="4"><i> scored by iSDK</i></font><br><img src="Bar.png" /></div><div style="width : 300px; position : relative"><font face="helvetica, geneva, sans serif" size="6"><b>2</b></font><font face="helvetica, geneva, sans serif" size="4"><i> scored by martin</i></font><br><img src="Bar.png" /></div> What I wanted to know is how can I get the score, and scored by text from the .txt file? The score is (in this case) the: <b>2</b>, and the scored by text in this case would be: "scored by iSDK". Any code telling me how to do this is twice as helpful! Thanks in advanced XcodeDev

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  • How to cancel a touch sequence

    - by Alex
    I have an UIImage view that responds to touch events. I want to cancel the touch sequence if the touch goes outside of certain bounds. How can I do that? I know that I can inspect the coordinates of the touch object, what I don't know is how to cancel the sequence. I don't see any event in the API that allows for that.

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  • Google Drive API invalid_grant after removing access

    - by Sparafusile
    I have been writing a desktop application that uses the Google Drive API v2. I have the following code: var credential = GoogleWebAuthorizationBroker.AuthorizeAsync ( new ClientSecrets { ClientId = ClientID, ClientSecret = ClientSecret }, new[] { DriveService.Scope.Drive }, "user", CancellationToken.None ) .Result; this.Service = new DriveService( new BaseClientService.Initializer() { HttpClientInitializer = credential, ApplicationName = "My Test App", } ); var request = this.Service.Files.List(); request.Q = "title = 'foo' and trashed = false"; var result = request.Execute(); The first time I ran this code it opened a browser and asked me to grant permissions to the App, which I did. Everything worked successfully until I realized I was using the wrong Google account. At that point I logged into the wrong Google account and revoked access to my App. Now, whenever I run the same code it throws an exception: Error:"invalid_grant", Description:"", Uri:"" When I examine the service and request objects, it looks like the oauth_token isn't getting created any more. I know what I did to mess things up, but I can't figure out how to correct it so I can use a different Google account for testing. What do I need to do?

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  • Copying contents from one NSMutableArray to another

    - by Sheehan Alam
    I have two NSMutableArrays: NSMutableArray* currentMessages NSMutableArray* items I am trying to copy the contents of items into currentMessages as such: [self.currentMessages addObjectsFromArray:self.items]; When I am debugging self.items contains 30 objects. After this operation self.currentMessages contains 0 objects. Why is the copy not working?

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  • How to find the only UILabel in a view and hide it?

    - by tarnfeld
    I am adding a UILabel as a subview to a UIView and sometime later I want to hide it. It is assigned to a variable but I don't think setting the variables property Hidden after it's been added to the view will work (well it doesn't seem to anyway). Is there a way to loop through the subviews in a view and then find the one that has a specific tag or is of type UILabel that I could then remove?

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  • how to get a particular day of week in objective c??

    - by hemant
    using gregorian calender i am able to get the number of day of the week i.e 1 for sunday and 2 for monday etc but i am not able to find a function that displays the name of week then the number?? can anyone help?? here is my code to get the number of day NSDate *dates = [gregorian dateFromComponents:component]; NSDateComponents *weekdayComponents =[gregorian components:(NSDayCalendarUnit | NSWeekdayCalendarUnit) fromDate:dates]; NSUInteger *weekdays = [weekdayComponents weekday]; NSString *dayw=[NSString stringWithFormat:@"%1i",weekdays]; NSLog(@"%@",dayw);

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  • Custom UIButton + subviews = no events

    - by user281300
    Basically I have a custom UIButton and this custom button contains subviews. If I add those subviews to my uibutton, then the button stops responding to event changes. I.e if I click on it it doesn't respond to the selector. I have everything set as userInteractionEnabled. I also tried adding touchbegan and this is working. If I remove those subviews, the UIButton works again. Any help would be greatly appreciated. Cheers.

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  • Ways to optimize Android App code based on function call stack?

    - by K-RAN
    I've been told that Android OS stores all function calls in a stack. This can lead to many problems and cause the 'hiccups' during runtime, even if a program is functionalized properly, correct? So the question is, how can we prevent this from happening? The obvious solution is to functionalize less, along with other sensible acts such as refraining from excessively/needlessly creating objects, performing static calls to functions that don't access fields, etc... Is there another way though? Or can this only be done through careful code writing on the programmers' part? Does the JVM/JIT automatically optimize the bytecode during compile time to account for this?? Thanks a lot for your responses!!

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  • iPhone Encryption Standard - Will this implementation bye-pass apple check?

    - by Futur
    Hi All, I found this implementation, and i am not sure whether we can use this implementation and apple will bye-pass extra check, this is a base-64 implementation. The source code link is http://blog.objectgraph.com/wp-content/uploads/2010/04/CryptTest.zip The web page link is : http://blog.objectgraph.com/index.php/2010/04/20/encrypting-decrypting-base64-encode-decode-in-iphone-objective-c/ Kindly advice me friends.

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  • automatically minimized chat tabs

    - by Xiang Ubao
    now I have a very urgent matter, ask for your help.Because we must call fu.init in hideFlashCallback to pause our game, When the user is in the another page to open chat tabs to our game, the game will pause automatically. Is there a method like FB API or something at the beginning of the loading game, automatically minimized chat tabs, so as to solve our problems.Hope you reply to us, help us to solve the problem. Thanks a million.

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  • UIWebView - remote html loading local images

    - by AragornSG
    I'm trying to develop an application using UIWebView. The app is loading remote URL's, so in order to make it quick I want it to use the images included in the application bundle. I was wondering if there is a way to do it without forcing the application to manually replace the address of each image to point into local resources?

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  • Will it use more and more memory if I keep drawing on the UIView?

    - by Tattat
    This is my drawRect: CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetLineWidth(context, 2.0); CGContextSetStrokeColorWithColor(context, [UIColor redColor].CGColor); CGContextMoveToPoint(context, x1, y1); CGContextAddLineToPoint(context, x2, y2); CGContextStrokePath(context); If I run this code thousand times or more. My UIView will have many lines on that. Will it use more memory than only just one line on it? Er... ...I mean, will the program remember the line I draw or after it draw the lines, it won't have any information in the memory. thz .

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