Recent questions tagged objective

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objective c - NSURLRequest Upload Multiple Files

I'm trying to upload multiple files to a server using a POST request, but for some reason, only one file is submitted. ... 0 [size] => 64576 ) ) See Question&Answers more detail:os...

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

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889 views

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objective c - Need to add a Fixed Overlay like on mapview in IOS

I need to create a map view interface, which is something similar to the OLA Cabs Application in iOS. What ... new location, where you stopped See Question&Answers more detail:os...

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

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888 views

1 answer

objective c - How can I load a default language plist if the localized version does not exist for the current language?

I am loading the plist like so: NSString * plistPath = [[NSBundle mainBundle] pathForResource:@"Names" ofType:@" ... can I default to English? See Question&Answers more detail:os...

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

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727 views

1 answer

objective c - CoreData model compiler fails because of libwep

Since today, each CoreData-based project I try to build fails during the compilation of the CD model ... just one dummy entity. See Question&Answers more detail:os...

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

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697 views

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objective c - In iOS selected cell should move to top portion in UITableView

I have more than 20 cells in my custom table view, in execution time 6 cells will be visible. Now i ... cell should come to first position. See Question&Answers more detail:os...

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

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731 views

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objective c - Where various variable and method types should be placed in a header

I've noticed that I get compilation errors if I place certain declarations in certain places in my ... ; PlayTilemapLayer* playTilemapLayer; See Question&Answers more detail:os...

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

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1.0k views

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objective c - Parsing ISO 8601 with NSDateFormatter

I've read through the various posts on SO about this, but have still not solved the problem. Here's the ... mm:SSZZZZ 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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794 views

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objective c - Manual object lifetime with ARC

Examine the following code, and assume it was compiled under ARC: - (void)foo { NSOperationQueue *oq = [[ ... specific syntax to do so? See Question&Answers more detail:os...

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

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717 views

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objective c - iPhone memory management (with specific examples/questions)

Hey all. I know this question's been asked but I still don't have a clear picture of memory ... clarification on these examples. 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 - How to use delegate in NSStream?

I am a newbie in Objective-C. I am trying to learn how to work with NSStream. I just used simple code from ... streamError]); } return 0; } See Question&Answers more detail:os...

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

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822 views

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objective c - iOS Capture "screenshot" of camera controller

In my app I display the camera and I am taking screenshots of certain perts using UIGetScreenImage, (I tried ... :) Thanks guys!!! See Question&Answers more detail:os...

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

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815 views

1 answer

objective c - iOS 7: How to setup invitation handler for Game Center matchmaker

What is the proper way to handle invitations from other players in iOS 7? After my view did load on my root View ... , what I must use and how? See Question&Answers more detail:os...

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

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1.7k views

1 answer

objective c - iOS 7 iAd cocos2d deprecated

Im trying to get iAd implemented to a iOS 7 game I made with cocos2d, I added iad framework in xcode and ... code working. Thanks 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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845 views

1 answer

objective c - How do I add an action or outlet to a class in Xcode 4.3.1?

I'm following a slightly outdated the guide from cocoalab.com (Become An Xcoder) to learn the basics of cocoa, ... to add these to my object. See Question&Answers more detail:os...

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

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1.5k views

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objective c - How to get pixel color at location from UIimage scaled within a UIimageView

I'm currently using this technique to get the color of a pixel in a UIimage. (on Ios) - (UIColor*) ... pixel color with a scaled image. See Question&Answers more detail:os...

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

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815 views

1 answer

objective c - Filter entire NSDictionaries out of NSArray based on multiple keys

I have an NSArray of NSDictionary objects which I would like to be able to return a new array of ... to return the entire dictionary? See Question&Answers more detail:os...

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

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870 views

1 answer

objective c - Why is NSOpenPanel/NSSavePanel showing memory leak?

Not sure why, but making a simple [[NSOpenPanel openPanel] runModal]; creates a memory leak - seen in Leaks Instrument ... a way to 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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742 views

1 answer

objective c - generating random values in iPhone

I have used rand(). But it gives a specific value even after I restart application. I have implemented following ... will be on specific value. See Question&Answers more detail:os...

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

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891 views

1 answer

objective c - Adding Padding To The 'left' of a Text Field

I have a text field with a background but to make it look right the text field needs to have some padding on ... field some padding on the left? See Question&Answers more detail:os...

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

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957 views

1 answer

objective c - Cocoa - NSEvent Respond to the SHIFT key?

I was wondering if NSEvent responds to the "Shift" key on the keyboard. I am logging the keyCodes when ... still not being recognized... See Question&Answers more detail:os...

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

0 votes

861 views

1 answer

objective c - How to set Arabic text to right and English text to left on same label

I learned how to make English and Arabic project from previous question I asked. Same Project at github Now ... screenshots... English Arabic See Question&Answers more detail:os...

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

0 votes

821 views

1 answer

objective c - Can't release unused CALayer memory when using multiple layers

I am using multiple CALayer's in my application with large UIImage as contents. unfortunately, when I don't need ... do wrong here ? 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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855 views

1 answer

objective c - how to drag an uiimage from scrollview to another uiimageview in iphone sdk

In My Application,i am having one scrollVIew containing multiple images. and out of the scrollview i have ... appreciated Thanks 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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858 views

1 answer

objective c - EKAlarm will not set in iOS 5

I wrote the following snippet to create an event. Setting the alarm works fine in iOS 4, but in iOS 5 it doesn't get ... :alarm]; // ....... See Question&Answers more detail:os...

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

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953 views

1 answer

objective c - how to sharp/blur an uiimage in iphone?

I have a view with UIImageView and an UIImage set to it. How do I make image sharp or blur using coregraphics? See Question&Answers more detail:os...

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

0 votes

787 views

1 answer

objective c - Send HTTP Requests in Background Mode (iOS) Periodically

I'm developing a great feature for my app which requires HTTP requests to be sent periodically in background. I have ... this idea in iOS app? See Question&Answers more detail:os...

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

0 votes

954 views

1 answer

objective c - Is it possible to make a NSBitmapImageRep with 24 bpp and no alpha channel?

I don't understand really well the premultiplied alpha. I need a NSBitmapImageRep without alpha channel (I don't need ... don't find a solution. See Question&Answers more detail:os...

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

0 votes

721 views

1 answer

objective c - core audio: how can one packet = one byte when clearly one packet = 4 bytes

I was going over core audio conversion services in the Learning Core Audio and I was struck by this example in their ... it's the same thing) See Question&Answers more detail:os...

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

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