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Questions tagged objective-c

2098 questions · page 20 of 42

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42
votes
2
answers

cast of Objective-C pointer type 'NSString *' to C pointer type 'CFStringRef' (aka 'const struct __CFString *') requires a bridged cast

objective-c casting automatic-ref-counting
asked 2011-07-17T17:37:34.427
15
votes
6
answers

Model View Controller: Does the Controller or Model fetch data off the server?

objective-c ios model-view-controller
asked 2011-07-17T04:13:52.473
12
votes
1
answers

When is it worthwhile to cache UIImage resources?

iphone objective-c performance uiimage
asked 2011-07-15T20:35:20.207
14
votes
2
answers

NSDecimalNumber and large unsigned long long (64-bit) integers

objective-c cocoa
asked 2011-07-15T16:49:33.770
14
votes
1
answers

Correctly use of NSFetchedResultsController cache

objective-c uitableview nsfetchedresultscontroller
asked 2011-07-15T09:48:00.123
36
votes
5
answers

Implicit declaration of function - C99

objective-c xcode macros c99 pch
asked 2011-07-15T08:21:49.080
80
votes
3
answers

What is the strong property attribute

iphone objective-c ios cocoa macos
asked 2011-07-14T23:09:16.797
31
votes
5
answers

iPhone - UIWindow rotating depending on current orientation?

iphone objective-c screen-orientation uiwindow
asked 2011-07-14T17:41:52.417
15
votes
3
answers

How to create PLIST files programmatically in iphone

iphone objective-c ios cocoa-touch plist
asked 2011-07-14T17:09:45.673
27
votes
2
answers

Why can't I release an object anymore?

objective-c automatic-ref-counting
asked 2011-07-14T10:49:51.550
47
votes
2
answers

How to convert NSString to C string?

objective-c
asked 2011-07-14T02:25:20.883
13
votes
2
answers

How to ReSize Image with Good Quality in iPhone

iphone objective-c cocoa-touch
asked 2011-07-13T11:13:05.397
48
votes
7
answers

Add subview to UIButton

iphone objective-c ios uibutton addsubview
asked 2011-07-13T07:00:46.323
22
votes
4
answers

Display local image in UIImageView

ios objective-c iphone imagesource
asked 2011-07-13T05:51:15.147
21
votes
3
answers

Objective C: How to fix aspect ratio of image (and not change to fit imageview frame)

objective-c ios uiimagepickercontroller aspect-ratio
asked 2011-07-13T05:42:30.390
10
votes
3
answers

NSNumber vs Int

iphone objective-c ios plist nsnumber
asked 2011-07-12T10:24:44.713
15
votes
6
answers

How to check object is kind of block or not

objective-c cocoa-touch cocoa
asked 2011-07-12T07:32:03.100
32
votes
5
answers

NSAutoreleasePool is unavailable

objective-c nsautoreleasepool
asked 2011-07-11T20:04:17.077
11
votes
3
answers

Capturing "up" and "down" keys pressed in NSTextField

objective-c cocoa nstextfield
asked 2011-07-11T09:30:03.923
32
votes
11
answers

Facebook iOS SDK - get friends list

ios objective-c facebook cocoa-touch facebook-friends
asked 2011-07-10T03:17:50.857
44
votes
4
answers

UIPickerView programmatic example?

iphone objective-c xcode cocoa-touch
asked 2011-07-09T17:12:43.510
9
votes
2
answers

Play/Pause with the same button [AVAudioPlayer]

iphone objective-c xcode avaudioplayer
asked 2011-07-09T15:16:25.440
31
votes
4
answers

Calculate new coordinate x meters and y degree away from one coordinate

iphone objective-c geolocation location mapkit
asked 2011-07-09T09:08:32.333
21
votes
3
answers

What is the difference between '->' (arrow operator) and '.' (dot operator) in Objective-C?

objective-c
asked 2011-07-09T03:05:44.843
11
votes
1
answers

How to save locally saved xml file into .plist file

iphone objective-c xml plist
asked 2011-07-08T10:13:37.920
11
votes
3
answers

How does one architect an entity in Core Data with a generic relationship?

objective-c ios cocoa core-data
asked 2011-07-07T18:50:16.663
10
votes
1
answers

Playing audio from a continuous stream of data (iOS)

iphone objective-c ios core-audio audio-streaming
asked 2011-07-07T13:13:19.380
27
votes
4
answers

What are documentation comments in Xcode?

objective-c xcode
asked 2011-07-07T03:38:52.290
40
votes
6
answers

Method with multiple input parameters

objective-c ios methods
asked 2011-07-05T23:15:47.990
9
votes
2
answers

Why do the iOS main.m templates include a return statement and an autorelease pool?

objective-c ios cocoa-touch
asked 2011-07-05T20:03:15.997
14
votes
2
answers

Why can I not use my constant in the switch - case statement in Objective-C ? [error = Expression is not an integer constant expression]

objective-c tags constants case switch-statement
asked 2011-07-05T15:36:10.660
11
votes
1
answers

Test if a created object is nil

ios objective-c iphone testing null
asked 2011-07-04T14:58:39.883
20
votes
5
answers

What is the logic behind having a mutable and immutable versions of classes like NSArray, NSDictionary etc in Objective C?

iphone ios objective-c class-design foundation
asked 2011-07-04T01:54:20.607
11
votes
2
answers

HTML from NSAttributedString

html objective-c ios nsattributedstring
asked 2011-07-03T17:05:31.517
144
votes
11
answers

iOS multiline label in Interface builder

ios objective-c swift uilabel line-breaks
asked 2011-07-02T14:03:56.460
35
votes
3
answers

Difference between iPhone development and Mac OSX development

iphone objective-c xcode macos
asked 2011-07-01T21:16:18.537
10
votes
2
answers

Whats the point in UrbanAirship?

iphone objective-c ios apple-push-notifications urbanairship.com
asked 2011-06-30T22:28:57.667
46
votes
10
answers

IBOutletCollection set ordering in Interface Builder

objective-c ios xcode interface-builder iboutlet
asked 2011-06-29T21:56:57.060
251
votes
5
answers

compilation warning: no rule to process file for architecture i386

objective-c xcode cocoa-touch
asked 2011-06-28T16:12:08.543
160
votes
7
answers

Creating a UIImage from a UIColor to use as a background image for UIButton

ios objective-c uibutton uiimage
asked 2011-06-27T17:14:57.327
34
votes
2
answers

How do I weak link frameworks on Xcode 4?

objective-c xcode frameworks weak-linking ios-frameworks
asked 2011-06-25T21:54:23.890
29
votes
4
answers

NSDateComponents of an NSDate

objective-c cocoa nsdate nsdatecomponents
asked 2011-06-25T15:17:04.383
61
votes
5
answers

Detecting Pan Gesture End

objective-c touch uigesturerecognizer
asked 2011-06-24T12:13:53.980
27
votes
3
answers

How do I create reusable iOS controls?

objective-c ios xcode
asked 2011-06-24T00:30:17.723
22
votes
4
answers

NSString to NSurl

iphone objective-c ios4 iphone-sdk-3.0
asked 2011-06-23T15:27:27.287
15
votes
1
answers

What is NSCache?

objective-c ios cocoa-touch cocoa macos
asked 2011-06-22T20:09:40.237
20
votes
4
answers

Getting LLVM/Clang to be 16 bit aligned

objective-c xcode macos llvm
asked 2011-06-21T18:30:45.777
18
votes
5
answers

Why does Objective-C use YES/NO macro convention instead of true/false?

objective-c naming-conventions boolean convention
asked 2011-06-21T06:01:15.130
10
votes
4
answers

How can I replace text in UITextView with NSUndoManager support?

iphone ios objective-c uitextview nsundomanager
asked 2011-06-21T02:49:30.440
14
votes
2
answers

Verify text color in iphone uiautomation

iphone objective-c ios cocoa-touch ios-ui-automation
asked 2011-06-20T19:48:04.020
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