Recent questions tagged objective

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objective c - Google Api error "Multiple methods named 'initWithArray:' found"

I am using the google calendar api and I am getting two errors. GTMGatherInputStream.m:25:13: Multiple methods named ' ... . How do I fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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617 views

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objective c - UISplitViewController Master / Detail communication

I just started playing with the UISplitViewController - I've cobbled together some code from various tutorials, ... Any tips are appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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248 views

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objective c - "Data Model Version Compile".. error after upgrading to Lion (Xcode4.1)

Since upgrading to Lion yesterday (10.6->10.7), I've been unable to compile a project that had no problems ... would be brilliant! Cheers, Ian See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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541 views

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objective c - Holes in NSView or NSWindow

IS it possible to cut out parts of a NSWindow or an NSView and make them see through? I have an NSWindow with ... effect I am trying to create: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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objective c - How to access iOS private APIs in Swift?

How can I call non-public iOS functions and acces non public properies from Swift? Specifically, I would like to ... go in this particular case. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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355 views

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objective c - Do a simple json POST using RESTKit

I'm new to iOS development and I'm having trouble making a simple Json POST request. I have a NSDictionary ... delegate:self] send]; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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399 views

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objective c - Get swipe direction in Cocoa Touch

I am trying to catch a gesture but it does not work. Here is my code: UISwipeGestureRecognizer *recognizer; ... . Thanks for any help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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555 views

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objective c - How to get UIView hierarchy index? (i.e. the depth in between the other subviews)

From UIView docs: (void)insertSubview:(UIView *)view atIndex:(NSInteger)index It's great that I can insert a UIView at ... , or at the back ... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

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objective c - Difference Between Completion Handler and Blocks : [iOS]

I am messed with both completion handler and blocks while I am using them in Swift and Objective-C. And when I ... to Swift and Objective-C ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - NSInternalInconsistencyException', reason: 'attempt to insert row 0 into section 0, but there are only 0 rows in section 0 after the update'

I am using UITableViewController and getting this error while updating tableView. Below is my code: This occurs when ... helped. Thanks, Aby See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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641 views

1 answer

objective c - XCTAssertEqual fails to compare two string values?

I added a simple unit test to test my string extension. But it fails. What I am I doing wrong here ... , [firstNickName initialsFromString]); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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403 views

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objective c - How do you programmatically put folder icons on the Finder sidebar, given that you have to use a custom icon for the folder?

Am currently working on a project, and though I can add sidebar items by adding to the com.apple.sidebarlists. ... Thanks a bunch in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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416 views

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objective c - how to remove prev next button from virtual keyboard IOS

i have use a UIWebview in IOS 5. I try to set contenteditable="true" to make uiwebview editable. The screenshoot ... body help me? thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

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objective c - Convert Image to B&W problem CGContext - iPhone Dev

I am using a method to convert images taken with the camera into black and white. The problem I'm ... image return newImage; } @lessfame See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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522 views

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objective c - Recording audio in mp3 format in an iPhone app

I am developing an iPhone app which records the audio in .wav format. Here is the code: NSMutableDictionary* ... directly from iPhone app. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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365 views

1 answer

objective c - iphone fading of images

wat i want is to show an image in image view and fade the image after 5 seconds and show the next image . ... release]; [super viewDidLoad]; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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384 views

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objective c - Autorelease pools and when release is called under iOS

I wanted to get something clarified. Lets say I have the following code: - (void) viewDidAppear:(BOOL) ... objects getting released? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

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objective c - Drill down hierarchical data with UITableView

I want to build an app to navigate a data hierarchy. The structure of this hierarchy is something like the one I'm ... of 3, 4, or 100 levels. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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289 views

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objective c - Should I Use self Keyword (Properties) In The Implementation?

I believe I understand properties for the most part. My question is, if I have a property for an instance variable, ... is why I'm asking here. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

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objective c - UITextField Example in Cocos2d

Can anyone please suggest some links for using UITextField in cocos2d. I want to press on label, then the ... to edit on that UITextField. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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514 views

1 answer

objective c - iOS - Most efficient way to find word occurrence count in a string

Given a string, I need to obtain a count of each word that appears in that string. To do so, I extracted the string ... "test" - 2 "only" - 1 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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413 views

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objective c - Handling NSError when reading from file?

I am just curious if I am doing this right. NSString *fileContents; NSError *fileError = nil; fileContents = [[ ... drain]; return status; gary See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

1 answer

objective c - Memory graph / chart in XCode 5 during Debug

What does "Memory" usage chart/graph exactly represents in XCode 5 Debug navigator window? I have an iOS app project ... didn't find any leaks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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474 views

1 answer

objective c - NSTokenField with mixed token/string input, possible?

When entering an invalid email in Mail's NSTokenField one get's this (a mix of token and plain string values): ... find any info on my problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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467 views

1 answer

objective c - applyForce(0, 400) - SpriteKit inconsistency

So I have an object that has a physicsBody and gravity affects it. It is also dynamic. Currently, when the ... using the y location)? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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273 views

1 answer

objective c - Proper usage of CIDetectorTracking

Apple recently added a new constant to the CIDetector class called CIDetectorTracking which appears to be able to ... be greatly appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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515 views

1 answer

objective c - Working with paths from [[NSBundle mainBundle] resourcePath]

I'm sure it's a very basic problem, but I'm having trouble finding anything about it. Say I've got my ... pointers would be great! Thanks, Tom See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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453 views

1 answer

objective c - iOS 8 NSInternalInconsistencyException

I get the following crash reports. They only occur on devices with iOS 8. Notice the message: Terminating app ... Where should I start looking? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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