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Recent questions tagged iPhone
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iphone - how to calculate two coordinates distance in objective c?
as title how to? i have tried the code from google earth, but seem like the result is different with the google ... out the problem of my code? See Question&Answers more detail:os...
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Oct 24, 2021
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iphone
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820
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iphone - iOS: Values for CIFilter (Hue) from Photoshop
I am using the Hue filter to change the hue of an image: CIFilter* hueFilter = [CIFilter filterWithName:@"CIHueAdjust" ... I should use in iOS? See Question&Answers more detail:os...
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Oct 24, 2021
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732
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iphone - How does UIScrollView steal touches from its subviews?
I'd like to be able to create my own container subclasses of UIView which can react first to touches, ... take advantage of similar behavior. See Question&Answers more detail:os...
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Oct 24, 2021
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iphone
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968
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iphone - UIFileSharingEnabled has no effect
I've added UIFileSharingEnabled to the .plist. Per suggestions, I have: removed the app and redeployed it several ... get file sharing to work? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
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578
views
1
answer
iphone - Remove MKMapView Annotations with a certain pinColor?
Is it possible to remove all annotations on a given MKMapView of a given pinColor? I'm trying to clear all ... waste of resources. Any advice? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
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votes
690
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answer
iphone - Draw underlined / strikethrough text ( MULTILINE STRING )?
I have to draw underlined-multiline text with all types of text alignment. I have searched on forums and got ... idea about this please help. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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iphone
0
votes
647
views
1
answer
iphone - Core Data: Fetch result from multiple entities or relationship
I have two entities. Employee entity @interface Employee : NSManagedObject @property (nonatomic, retain) NSString * dept ... I never get result. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
points)
iphone
0
votes
642
views
1
answer
iphone - ASIHTTPRequest alternative
I am using currently ASIHTTPRequest for communicating with the server, however it's causing crashes. The bug ... server client communication? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
501
views
1
answer
iphone - Filling a portion of an image with color
I'm doing an IPhone painting app. I would like to paint a particular portion of an image using touchevent to ... to make this work please? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
711
views
1
answer
iphone - AVAudioPlayer - playing multiple audio files, in sequence
I want to play multiple MP3 files, in sequence (one after the other) , using AVAudioPlayer. I tried it, and ... prevent it from doing this? Vas See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
643
views
1
answer
iphone - Make specific corners of UIView round
I did a bit of research, and I see, there is no easy way to make only top right and top left corners of ... = 5; self.layer.masksToBounds = YES; See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
485
views
1
answer
iphone - Open Twitter Setting from ACAccountStore (iOS 5.1 TWITTER)
in iOS 5.0 i was opening Twitter setting from my app by [[UIApplication sharedApplication] openURL:[NSURL ... go ti twitter setting ? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
572
views
1
answer
iphone - OpenGL ES 2.0 texture distortion on large geometry GL_REPEAT
OpenGL ES 2.0 has serious precision issues with texture sampling - I've seen topics with a similar problem ... -scale, highly detailed geometry See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
546
views
1
answer
iphone - Extracting a public key from key pair in key chain
The Problem: Retrieving a public key For an iPhone App, I need to create a rsa key pair, store it ... 18673b1a f125d3c8 d9ddf978 fb020301 0001> See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
620
views
1
answer
iphone - what does -arrayWithArray actually DO?
I want to see EXACTLY how it creates an array. How can I view the .m files that show how it's done? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
948
views
1
answer
iphone - NSURL URLWithString:myString returns Nil?
I have a string of my url.. I want to get data from that url. For that I needs to create object of ... get data from this Url String. Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
iphone
0
votes
630
views
1
answer
iphone - How to do edit-in-place in a UITableView?
Is there a standard way to set up a table to allow editing-in-place, kind of like this: I only need ... UISwitches or UISliders in the future. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
iphone
0
votes
862
views
1
answer
iphone - Implicit declaration of function 'sqlite3_key'?
I am working on SQLite File Encryption. I have added sqlCipher & crypto frameworks successfully in my project. ... sqlite encryption process ? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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iphone
0
votes
616
views
1
answer
iphone - Install Xcode 3.2.4, get "Base SDK Missing"
When you update Xcode to 3.2.4, your previously working Xcode iOS project gives you the message "Base SDK Missing". ... What gives? How to fix? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
iphone
0
votes
573
views
1
answer
iphone - Problem combining a date and a time into a single NSDate
I am trying to combine the time value (hours, minutes, seconds) of one NSDate with the date value (day, month ... what's wrong with this method? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
iphone
0
votes
579
views
1
answer
iphone - How to target 4.2 version with XCode 4
I've upgraded to XCode 4 which comes with the 4.3 version of the SDK. But we'd like to make sure ... have to force upgrade everyone just yet? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
942
views
1
answer
iphone - How to define constant array in GLSL (OpenGL ES 2.0)?
I just want to store an array of weights that needs to every fragment calculation. This: float weights[5] = ... ;' : syntax error syntax error See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
428
views
1
answer
iphone - How to properly design multi-orientation iPad application
What's the correct way of designing multi-orientation iPad app nowadays? I've read a lot of Apple docs, web ... to this issue as of today? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
746
views
1
answer
iphone - Changing text of done button in keyboard
I know there is a question about this subject already but I think it's possible to change the text of the done ... 't know how to do this? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
607
views
1
answer
iphone - Getting text from UIAlertView
I'm trying to get text from an alert view and add it to my mutable array to list in a table view. I ... connect the pieces, but not sure how. See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
iphone
0
votes
625
views
1
answer
iphone - Retina display core graphics font quality
Trying to understand why am I getting low quality drawing with CGContextShowTextAtPoint? See attached image: The letter "W" ... to be hi-res. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
points)
iphone
0
votes
648
views
1
answer
iphone - UIWebView memory management
I have a problem with memory management. I am developing an application that makes heavy use of UIWebView. This ... be happening? Thank you! See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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71.8m
points)
iphone
0
votes
700
views
1
answer
iphone - Show UIAlertView in background thread
I load data from a webservice in a background thread. Is it safe to show an UIAlertView in the background ... ? thanks for the advice Frank See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
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iphone
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