Recent questions tagged objective

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objective c - Core Data migration fails for to-one relationship

I have the following model: parent is a to-one relationship (optional, no minimum, maximum=1 ... , NSInferMappingModelAutomaticallyOption:@NO}; 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 - Weak property not zeroing using ARC

I have the following simple code for an object that holds a weak reference: // interface @interface GMWeakRefObj : ... what am I doing wrong? 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 - Why does NSAssert break in main instead of in the code that call the assertion

I set this NSAssert NSAssert(isStillLoadingArgument== [[self class] stillLoading],@"Hmm.... we think isStill Loading ... 't solve the issue: 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 - Could not localize iOS app bundle display name

I have followed the answers to some SO question to localize my app's name. InfoPlist.strings (Base): ... the iPhone's home screen. 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 - Float variables assigned value from line above

I have an iOS App that is doing things that don't quite make sense to me. I have several float variables ... them? What am I doing incorrectly? 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 - iPhone app crash [__NSCFString objectForKey:] unrecognized selector sent to instance

I am trying to add in tempArray only even number of data.localBookmarks is array of dictionary. Here is my code : ... line ,How can I fix it? 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 - addObject replaces previous object in NSMutableArray

I'm trying to add objects to a NSMutableArray through a for loop. But it seems whenever I add an object it ... last added string in the output. 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 - strange GDB error unable to trace

I am getting this strange error in gdb and i'm unable to trace the exact line of code to trace the bug. ... No symbol matches 0x911c2a0. (gdb) 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 - Editing bounds of UIView when presenting hides keyboard in iOS 8

I present a small "login" UIViewController as a UIModalPresentationFormSheet with custom bounds. In the viewWillLayoutSubviews ... , 250); } 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 - Show activity indicator during application launch

I am trying to add an activity indicator during startup. I did have a launch image, but I'd rather ... -SDK:Activity Indicator during Startup? 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 - TapkuLibrary.h not found on archive

Everything's fine building in xcode and testing the app until I built in for archive. I am capable of running ... ' file not found Please 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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objective c - GCM push notification to iOS with content_available (not working to invoke from inactive state)

I am working on Java REST based web service in which I am trying to send messages from a Java API to an ... page to get information about it. 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 - Align Toolbar Item to split view content unsing Auto Layout Constraints

I would like to align a button in the toolbar of an os x app to the position of a split view in the window, ... seems more like a hack to me. 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 - Nested GLKView and GLKViewController

I'm new to OpenGL ES and I'm experimenting with GLKit. My goal is to develop a very simple app ... features of GLKViewController? 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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objective c - For custom cell in viewForHeaderInSection reload particular viewForHeaderInSection IOS

I want to reload viewForHeaderInSection in case of custom cell in viewForHeaderInSection to reload particular ... whole table view 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 - In iOS 8, how to add Row Action Buttons to the left side of a UITableViewCell

Apple shows these images on their product page for iOS 8. I am interested in adding buttons to the left side ... on left Pic: buttons on right See Question&Answers more detail:os...

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

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994 views

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objective c - Detect if line segment intersects square

Anyone have a simple algorithm for this? No need for rotation or anything. Just finding if a line segment ... two points intersects a square 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 - "Initializer is not a compile time constant" error works in .mm?

I'm puzzled by a situation I'm observing and would love some insight. First, I'm using Xcode 5, with LLVM 5 ... to why it appears to. Thoughts? 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 - UITableView partially hidden by UITabBar

I've got a UITabBarController which contains a UINavigationController. Within the visible UIViewController, I' ... style:UITableViewStylePlain]; 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 - UIScrollView with touchesMoved not called

I've a UIScrollView that contains an UIImageView. The UIScrollView lets zooming and panning through the UIImageView. ... or something like that. See Question&Answers more detail:os...

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

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1.1k views

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objective c - MKMapView Clicking on pins won't call didSelectAnnotationView

I am using a mapView and am trying to make a callout pop up when you click on a pin which is shown on ... cause this method not to be called? See Question&Answers more detail:os...

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

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1.2k views

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objective c - NSError: Does using nil to detect Error actually turn off error reporting?

I got into the habit of coding my error handling this way: NSError* error = nil; NSDictionary *attribs = [[ ... way to code this ? 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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886 views

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objective c - ios Google Cloud Messaging (GCM) not receiving remote notifications

Problem: iOS isn't receiving any remote notifications from GCM, but can't find any information relating to why ... ] // [START on_token_refresh] - (void)onTokenRefresh {...

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

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objective c - Variables/parameters in Sqlite query for Iphone App

In my Iphone App I have created this query: "SELECT * FROM visuel where id_visuel = 1" And so I have this ... know how to do that. 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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1.2k views

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objective c - NSDateFormatter not giving me correct

I am displaying time. It will show me :TIME :2012-06-18 23:00:00 +0000 But after using NSDateFormatter I do not ... PM Start time : 00:00:00 AM See Question&Answers more detail:os...

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

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945 views

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objective c - Label display not instant with iPhone app

I am developing an application for the iPhone. The question I have is how to display a new label with a ... the best method to approach 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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1.2k views

1 answer

objective c - Prohibit rotation in iOS 8 for UIModalPresentationCustom modalPresentationStyle

I use this to present a clearColor UIViewController in iOS 8: self.modalPresentationStyle = UIModalPresentationCustom; ... to prohibit rotation? See Question&Answers more detail:os...

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

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904 views

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objective c - Keyboard doesn't dismiss even when a UIResponder object resigns it's first-responder status

I managed to customize the UIAlertView putting two UITextFields as subviews inside of it but in doing so somehow the ... ]; return retVal; } See Question&Answers more detail:os...

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

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