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• Method to Display Cell Again in UITableViewController

  - by marcy

  Which method should I use in order to display a cell again in a UITableViewController?

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• plist vs static array

  - by morticae

  Generally, I use static arrays and dictionaries for containing lookup tables in my classes. However, with the number of classes creeping quickly into the hundreds, I'm hesitant to continue using this pattern. Even if these static collections are initialized lazily, I've essentially got a bounded memory leak going on as someone uses my app. Most…

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• How to display a person record just after saving his data to iPhone Address Book?

  - by camelCase

  this is my code and it works flawless, where my_value is a string with separator ','. everythign works fin but i'd like to display the person record from the address book after i saved it, so in the function if(isSaved) { // **** code here *** } here the complete function - (void) addToAgenda: (NSString*) my_value{ …

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• See a white band at the bottom of screen while adding view to window programatically in iphone?

  - by rkbang

  Hello all, When I developed a view based project in XCode, My view works fine. But when I use a window based project and create a view on my own and try adding it as a subview to window, it gives me a white band at the bottom. I never faced this issue before but facing it first time. Anyone having a solution? Tnx in advance.

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• Subclassing UIButton but can't access my properties

  - by Ross Ellerington

  Hi, I've created a sub class of UIButton: // // DetailButton.h #import <Foundation/Foundation.h> #import <MapKit/MapKit.h> @interface MyDetailButton : UIButton { NSObject *annotation; } @property (nonatomic, retain) NSObject *annotation; @end // // DetailButton.m // #import "MyDetailButton.h" @implementation…

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• Free iPhone weather API for the UK?

  - by user157733

  I am wanting to create a very simple weather app which only gives the current weather but in the UK. I have done a bit of searching but have yet to find a free API that I can use which works specifically for the UK. Does anyone have any experience of this or any suggestions?

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• Have a reloadData for a UITableView animate when changing

  - by Chris Butler

  Hi everyone. I have a UITableView that has two modes. When we switch between the modes I have a different number of sections and cells per section. Ideally, it would do some cool animation when the table grows or shrinks. Here is the code I tried, but it doesn't do anything: CGContextRef context = UIGraphicsGetCurrentContext(); …

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• Accessing View in awakeFromNib?

  - by fuzzygoat

  I have been trying to set a UIImageView background color (see below) in awakeFromNib [imageView setBackgroundColor:[UIColor colorWithRed:0 green:0 blue:0 alpha:1.0]]; When it did not work, I realised that its probably because the view has not loaded yet and I should move the color change to viewDidLoad. Can I just verify that I…

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• Best way to enter numeric values with decimal points?

  - by Andrew Grant

  In my app users need to be able to enter numeric values with decimal places. The iPhone doesn't provides a keyboard that's specific for this purpose - only a number pad and a keyboard with numbers and symbols. Is there an easy way to use the latter and prevent any non-numeric input from being entered without having to regex the…

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• Pinch zoom without UIScrollView based control

  - by LK

  Is there an "accepted" way of performing (pinch) zoom on a view that is not based on UIScrollView?

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• setContentOffset only works if animated is set to YES

  - by Sheehan Alam

  I have a UITableView which I would like to be displayed 100px down. For some reason this only works when animated is set to YES. Why is this? - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; /*[self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:1 inSection:0] …

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• How to page-scroll on a uiscrollview?

  - by cannyboy

  If I've got a uiscrollview which is five pages wide, what code would tell me what page I am on, when I scroll to a new page? Also, what code would scroll to a specific page? Thanks!

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• NSString to NSUInteger

  - by dododedodonl

  Hi all, I've got a number in a NSString @"15". I want to convert this to NSUInteger, but I don't know how to do that... Regards, dodo

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• App dies on startup but not crash report

  - by brettr

  I've given an ad hoc version of my app to some users. Two of them have the app die on start up while one user has no issues. I can also install the ad hoc without issue...but that is always the case for me. One user sent the info below from the Xcode Organizer Console. They didn't find any crash logs. I don't know what to…

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• Releasing NSData causes exception...

  - by badmanj

  Hi, Can someone please explain why the following code causes my app to bomb? NSData *myImage = UIImagePNGRepresentation(imageView.image); : [myImage release]; If I comment out the 'release' line, the app runs... but a few times calling the function containing this code and I get a crash - I guess caused by a memory leak.…

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• Call method with parameters after animation completion

  - by Jean

  I want to call a method with certain parameters once an animation is done. The flow is something like this: -(void) myMethod:(int)val { [self performAnimation]; [self doSomethingElse:val]; // This should be done after animation completion } I presume the 'doSomethingElse' method needs to be called from the method…

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• Resizing a UIButton programmatically by maintaining a margin

  - by Oscar Del Ben

  Hello, I'm adding a UIButton to a tableView footer programmatically. This button has a left and right margin that is equal to the tableView margin: UIButton *deleteButton = [UIButton buttonWithType:UIButtonTypeRoundedRect]; deleteButton.frame = CGRectMake(10, 60, 300, 34); deleteButton.autoresizingMask =…

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• How can I add two UIBarButtonItems to UINavigationItem?

  - by Sheehan Alam

  I want two rightBarButtonItem's on my UINavigationBar. How can I accomplish this?

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• NSNumberFormatter customize?

  - by Frederick C. Lee

  I wish to use NSNumberFormatter to merely attached a percent ('%') to the supplied number WITHOUT having it multiplied by 100. The canned kCFNumberFormatterPercentStyle automatically x100 which I don't want. For example, converting 5.0 to 5.0% versus 500%. Using the following: NSNumberFormatter…

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• UITableView via NSFetchedResultsControllerDelegate, select first record by default?

  - by deafgreatdane

  I have a UITableView that gets populated from CoreData via a controller that implements NSFetchedResultsControllerDelegate. How can I have it automatically select the first row (and fire the tableView:didSelectRowAtIndexPath message)? The tableview is used for a variety of predicate queries, so…

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• BNRPersistence on the iPhone, and NSDocument

  - by jammur

  I'm trying to get BNRPersistence running in an iPhone app, but I'm having a problem that I have no idea how to solve. Keep in mind I'm relatively new to iPhone dev. The problem is that BNRStoreDocument subclasses NSDocument, which exists in the Cocoa framework and thus isn't available on the…

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• Interface Builder "Simulate Interface" not working

  - by bpapa

  I am using Interface Builder to play around with some ideas. I never noticed that there is a "Simulate Interface" feature which apparently will render the nib in the iPhone simulator. So, I created a view, put one component in there (a Segmented Control), saved it, selected "Simulate…

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• Two UITabBarControllers and Autorotation

  - by optimisticmonkey

  I have two UITabBarControllers in my mainwnidow.nib wired to my appdelegate. In my app delegate, I can load either one: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { //either [window…

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• What's the standard convention for creating a new NSArray from an existing NSArray?

  - by Prairiedogg

  Let's say I have an NSArray of NSDictionaries that is 10 elements long. I want to create a second NSArray with the values for a single key on each dictionary. The best way I can figure to do this is: NSMutableArray *nameArray = [[NSMutableArray alloc]…

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• how to send push JSON to urban airship server using api

  - by Viswa

  I am using urban airship for sending push notification, i finished all configuration in my app and i can send notification from urban airship website. Now i have to request urban airship api for sending push notification (using this "…

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