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Questions tagged objective-c

2098 questions · page 9 of 42

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13
votes
5
answers

Objective-C: Sort keys of NSDictionary based on dictionary entries

objective-c xcode cocoa-touch
asked 2012-07-19T06:00:59.670
10
votes
3
answers

Unique Identifier for NSManagedObject

objective-c core-data guid
asked 2012-07-19T04:53:04.807
17
votes
3
answers

How to solve CALayerInvalidGeometry', reason: 'CALayer position contains NaN: [nan nan]?

objective-c ios xcode4.3 arcgis
asked 2012-07-18T01:33:45.197
60
votes
4
answers

Objective-C Protocol Forward Declarations

objective-c protocols
asked 2012-07-18T00:56:22.307
8
votes
3
answers

isOrientationSupported is deprecated in IOS

iphone objective-c ios
asked 2012-07-17T23:36:16.493
9
votes
4
answers

Application windows are expected to have a root view controller at the end of application launch warning

objective-c ios ios5 uiviewcontroller
asked 2012-07-17T03:56:26.467
61
votes
3
answers

Objective-C - CABasicAnimation applying changes after animation?

objective-c core-animation
asked 2012-07-17T03:30:36.620
24
votes
18
answers

YouTube Video ID From URL - Swift or Objective-C

ios swift objective-c
asked 2012-07-16T17:09:41.417
9
votes
1
answers

How to get HID profile connected to iOS device?

iphone objective-c bluetooth
asked 2012-07-16T05:46:31.630
26
votes
5
answers

Reason to use ivars vs properties in objective c

objective-c properties ivar
asked 2012-07-13T20:39:13.200
17
votes
9
answers

numberOfRowsInSection: not called on reloadData

iphone objective-c uitableview
asked 2012-07-13T10:46:16.897
13
votes
4
answers

Get class from instance hex in Objective-C

objective-c ios xcode
asked 2012-07-13T01:02:07.397
17
votes
2
answers

iOS Regex: Unknown escape sequence "\|"

objective-c ios regex nsregularexpression
asked 2012-07-11T21:56:09.070
10
votes
1
answers

RestKit delete old data from core data using setObjectMapping

objective-c ios xml restkit
asked 2012-07-11T20:09:27.227
11
votes
1
answers

Binding to media keys, block iTunes OS X

objective-c macos cocoa
asked 2012-07-11T16:22:18.143
8
votes
1
answers

realloc() & ARC

objective-c automatic-ref-counting factory-pattern
asked 2012-07-11T14:15:03.493
22
votes
6
answers

XOR Objective-c

iphone objective-c logic
asked 2012-07-11T11:39:12.730
9
votes
1
answers

Display image in a cocoa status app

objective-c cocoa nsimage nsstatusitem
asked 2012-07-10T10:19:53.450
8
votes
4
answers

Making a UIImageView grey

objective-c ios uiimageview afnetworking
asked 2012-07-09T22:10:28.470
50
votes
5
answers

How do I implement the UITapGestureRecognizer into my application

ios objective-c user-interface uigesturerecognizer uitapgesturerecognizer
asked 2012-07-06T04:04:59.877
19
votes
5
answers

Tap on UITextField's clear button hides keyboard instead of clearing text

ios objective-c iphone keyboard uitextfield
asked 2012-07-05T04:47:12.400
8
votes
2
answers

Assignment to ivar in a Block via weak pointer

objective-c automatic-ref-counting objective-c-blocks ivar declared-property
asked 2012-07-04T10:23:04.677
8
votes
4
answers

Change NSView subviews order

objective-c cocoa nsview subviews
asked 2012-07-03T13:09:24.583
29
votes
4
answers

How to append a NSString onto another NSString

objective-c nsstring
asked 2012-07-03T09:47:57.813
8
votes
2
answers

How to select specific data in Core Data?

iphone objective-c ios xcode core-data
asked 2012-07-03T07:04:53.433
21
votes
2
answers

Using NSPredicate to search an array with an array

objective-c ios nspredicate
asked 2012-07-02T11:11:02.717
9
votes
1
answers

Setting an identifier for an Xcode Storyboard Segue in a UITabBarController, and getting a pointer to its view controller

objective-c ios xcode uiviewcontroller storyboard
asked 2012-07-02T01:07:51.087
73
votes
18
answers

Move UIView up when the keyboard appears in iOS

objective-c ios xcode uiview uiviewcontroller
asked 2012-07-01T13:41:45.517
9
votes
5
answers

Cant set image for UIBarButtonItem

ios objective-c iphone uitableview uibarbuttonitem
asked 2012-06-30T12:25:59.283
10
votes
2
answers

NSDateFormatter dateFromString returns incorrect date

objective-c ios nsdate nsdateformatter
asked 2012-06-30T09:23:14.483
18
votes
4
answers

make UIView in UIScrollView stick to the top when scrolled up

iphone objective-c ios ipad uiscrollview
asked 2012-06-30T08:56:12.770
10
votes
0
answers

Continuous scrolling of UILabel like marquee

objective-c ios cocoa-touch uilabel marquee
asked 2012-06-29T04:16:20.357
11
votes
9
answers

UIViewController's view has weird 20px y margin

objective-c ios cocoa-touch
asked 2012-06-28T20:28:51.873
19
votes
2
answers

Can the new Clang Objective-C literals be redirected to custom classes?

objective-c clang objective-c-literals
asked 2012-06-28T20:28:41.300
10
votes
7
answers

In C and Objective-C, what really is the right way to truncate a float or double to an integer?

objective-c c floating-point floating-accuracy
asked 2012-06-28T12:31:52.173
9
votes
2
answers

Objective-C: Comparing an image against another image that has been previously saved

objective-c ios memory uiimage compare
asked 2012-06-26T21:25:53.367
26
votes
6
answers

How get the total sum of NSNumber's from a NSArray?

iphone objective-c nsarray nsnumber nsinteger
asked 2012-06-25T15:37:35.403
11
votes
2
answers

UIDatePicker slows things down

objective-c ios xcode uidatepicker
asked 2012-06-24T05:31:52.513
17
votes
1
answers

Purpose of Instance Methods vs. Class Methods in Objective-C

objective-c class methods instance
asked 2012-06-24T02:21:48.877
13
votes
1
answers

NSException and NSError custom exception/error

objective-c exception nserror nsexception
asked 2012-06-19T12:29:26.707
19
votes
1
answers

Run multiple AVCaptureSessions or add multiple inputs

objective-c video-capture avcapturesession ipad-2 avcapture
asked 2012-06-17T12:13:52.657
13
votes
3
answers

Does dequeueReusableCellWithIdentifier: call an initializer in my UITableViewCell subclass?

iphone objective-c uitableview
asked 2012-06-15T18:39:56.687
9
votes
7
answers

How to know what Mac OS the app is running on?

objective-c xcode macos cocoa osx-mountain-lion
asked 2012-06-15T17:01:10.993
9
votes
2
answers

iOS crash at startup without Xcode attached

iphone objective-c debugging
asked 2012-06-15T15:22:05.020
12
votes
4
answers

getting "invalid_client" error in sample gdata-objectivec-client

objective-c youtube google-api-client
asked 2012-06-15T02:13:55.507
11
votes
10
answers

SDWebImage/UIImageView+WebCache.h file not found

iphone objective-c ios sdwebimage
asked 2012-06-14T13:11:32.310
23
votes
21
answers

Could not insert new outlet connection error

ios objective-c uitableview cocoa-touch uikit
asked 2012-06-12T11:47:28.737
9
votes
2
answers

Modify audio pitch of recorded clip (m4v)

objective-c ios audio pitch
asked 2012-06-11T22:36:44.837
9
votes
1
answers

Objective C: Atomic decrement of integer without @synchronized?

objective-c properties atomic race-condition synchronized
asked 2012-06-11T21:18:53.960
15
votes
3
answers

Detecting touches on a UISlider?

objective-c ios xcode cocoa-touch uislider
asked 2012-06-10T18:18:06.483
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