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Questions tagged objective-c

2098 questions · page 29 of 42

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15
votes
5
answers

Objective-C synthesize property name overriding

objective-c synthesizer
asked 2010-09-27T10:16:05.167
9
votes
3
answers

Using CoreText and touches to create a clickable action

iphone objective-c ipad core-text
asked 2010-09-27T09:53:55.473
68
votes
2
answers

How to use printf with NSString

objective-c cocoa-touch nsstring printf nslog
asked 2010-09-26T00:23:39.197
32
votes
1
answers

isEqual doesn't always work for NSIndexPath? What can I use in its place?

objective-c equality iphone-sdk-3.2 nsindexpath
asked 2010-09-24T21:13:36.603
11
votes
4
answers

Simple way to read pixel color values from an PNG image on the iPhone?

objective-c ios cocoa-touch
asked 2010-09-22T20:15:07.867
10
votes
2
answers

How to change UIView size in Interface Builder

objective-c cocoa-touch uiview
asked 2010-09-22T16:37:35.140
18
votes
3
answers

Objective-C equivalent to Java's anonymous classes in class methods

java objective-c delegates anonymous-types
asked 2010-09-22T14:39:04.220
14
votes
2
answers

NSArray and bool values

objective-c arrays cocoa-touch nsarray boolean
asked 2010-09-22T13:11:48.253
16
votes
4
answers

Anyone have an example of how to write audio and video simultaneously using AVAssetWriter?

objective-c ios4 video-capture avfoundation avassetwriter
asked 2010-09-22T00:29:09.953
10
votes
2
answers

How to add a navigation controller to a view-based application?

objective-c cocoa-touch uiviewcontroller uinavigationcontroller uitableview
asked 2010-09-20T11:58:19.517
59
votes
7
answers

Reload UITableView when navigating back?

iphone objective-c navigation
asked 2010-09-19T23:06:01.740
21
votes
1
answers

How do I test if IOS device has telephone capabilities?

iphone objective-c ios
asked 2010-09-17T14:16:38.090
10
votes
3
answers

Include a '%' in an NSString?

objective-c nsstring
asked 2010-09-16T22:14:43.727
10
votes
1
answers

How does [UIAlertView show] work?

objective-c uialertview
asked 2010-09-16T09:27:54.643
11
votes
5
answers

#if check (preprocessor macro) to differentiate between iPhone and iPad

objective-c iphone c-preprocessor
asked 2010-09-12T23:47:22.480
67
votes
4
answers

when to use respondsToSelector in objective-c

objective-c ios
asked 2010-09-12T23:17:31.423
113
votes
2
answers

Get parts of a NSURL in objective-c

objective-c nsstring nsurl
asked 2010-09-11T22:37:25.573
36
votes
9
answers

UIScrollView EXC_BAD_ACCESS crash in iOS SDK

ios objective-c iphone uiscrollview exc-bad-access
asked 2010-09-10T17:28:30.603
210
votes
2
answers

What is Objective C++?

c++ objective-c xcode objective-c++
asked 2010-09-10T11:09:30.767
15
votes
5
answers

Is there an objective-c/iPhone version of currentTimeMillis() from Java?

iphone objective-c
asked 2010-09-09T23:14:17.823
14
votes
2
answers

Deleting an event from iPhone's calendar

ios objective-c cocoa-touch
asked 2010-09-08T06:06:16.053
34
votes
3
answers

Can I get the element by Tag from iOS?

ios objective-c uiview uibutton
asked 2010-09-07T09:27:44.987
86
votes
7
answers

IPhone/IPad: How to get screen width programmatically?

iphone objective-c cocoa-touch ipad
asked 2010-09-07T00:54:07.923
72
votes
8
answers

Detect existence of camera in iPhone app?

ios objective-c ios-camera
asked 2010-09-04T20:46:13.710
43
votes
5
answers

UITextView with Syntax Highlighting

iphone objective-c cocoa-touch uitextview
asked 2010-09-04T13:49:43.717
9
votes
3
answers

Percentage Calculation always returns 0

iphone objective-c xcode
asked 2010-09-04T05:08:51.717
16
votes
1
answers

Performance test: sem_t v.s. dispatch_semaphore_t and pthread_once_t v.s. dispatch_once_t

objective-c multithreading semaphore grand-central-dispatch
asked 2010-09-04T04:04:44.333
13
votes
4
answers

NSString character position

iphone objective-c
asked 2010-09-03T02:19:54.893
11
votes
5
answers

Changing first day of the week in NSDateFormatter

iphone objective-c weekday
asked 2010-09-02T10:20:52.457
11
votes
4
answers

How to append a NSMutableString with a NSMutableString?

iphone objective-c
asked 2010-08-30T11:42:53.837
55
votes
6
answers

Convert NSString into char array

objective-c type-conversion
asked 2010-08-27T05:26:27.287
14
votes
2
answers

NSApplication endSheet: has no effect

objective-c cocoa macos nsapplication
asked 2010-08-26T14:26:31.220
155
votes
12
answers

How to hide the keyboard when I press return key in a UITextField?

ios objective-c cocoa-touch delegates
asked 2010-08-26T09:52:26.987
14
votes
4
answers

know the position of the finger in the trackpad under Mac OS X

objective-c cocoa macos trackpad
asked 2010-08-26T08:20:25.777
9
votes
1
answers

Declaring private member variables

iphone objective-c properties encapsulation private-members
asked 2010-08-26T01:54:21.320
20
votes
7
answers

Using NSNumberFormatter to get a decimal value from an international currency string

iphone objective-c cocoa currency nsnumberformatter
asked 2010-08-24T20:44:20.740
39
votes
2
answers

viewWillAppear, viewDidAppear not being called, not firing

iphone objective-c uitabbarcontroller viewwillappear
asked 2010-08-24T20:16:18.950
114
votes
6
answers

How to convert std::string to NSString?

objective-c nsstring objective-c++ stdstring
asked 2010-08-23T22:30:07.837
13
votes
2
answers

Objective-C how to print out leading 0 for a float?

objective-c nsstring format
asked 2010-08-22T23:27:27.317
10
votes
3
answers

Does it matter when super is called in dealloc?

iphone objective-c cocoa cocoa-touch memory
asked 2010-08-19T15:47:43.920
31
votes
4
answers

How to addSubview with a position?

ios objective-c uiview
asked 2010-08-19T04:50:58.290
11
votes
7
answers

UILabel Over UISlider Thumb

objective-c
asked 2010-08-18T10:10:59.813
34
votes
4
answers

Intercept Objective-C delegate messages within a subclass

ios objective-c objective-c-runtime
asked 2010-08-16T23:12:50.417
11
votes
6
answers

Big activity indicator on iPhone

iphone objective-c uikit ios
asked 2010-08-16T06:17:57.370
48
votes
2
answers

how do i use a UIPageControl?

objective-c iphone image uipagecontrol
asked 2010-08-15T13:37:03.780
27
votes
6
answers

Is it possible to NSLog() without the time and date stamps, and the automatic newline?

objective-c
asked 2010-08-15T11:48:08.003
25
votes
5
answers

NSString initWithData returns null

iphone objective-c cocoa macos nsstring
asked 2010-08-14T21:28:45.103
22
votes
5
answers

iOS programming - Duplicate symbol _OBJC_IVAR

iphone objective-c ios4
asked 2010-08-14T16:33:41.143
18
votes
3
answers

Remove characters in NSCharacterSet from NSString

objective-c nsstring nscharacterset
asked 2010-08-13T12:07:15.873
13
votes
3
answers

Determining what a CFTypeRef is?

objective-c core-foundation
asked 2010-08-12T20:57:04.040
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