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    I've set up multiple sets of constraints in IB, and I'd like to programmatically toggle between ... /deactivate constraints from viewDidLoad? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am using below code for making HTTP request in server.Now I want to know whether it is connected to ... self.handleSuccess(JSON(result)) } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have this regex working when I test it in PHP but it doesn't work in Objective C: (?:www.)?((? ... and numbers) Hope this explanation helps. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have an auto-generated clear button on my UITextfield, with the default blue tint color. I cannot change the ... without using a custom image? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    My layout constraints are fine in Interface Builder but an exception occurs at runtime thanks to some part of ... .28125*UIView:0xbf4a3c0.width> See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have tested push notifications as a developer account and it worked, But when i tried to put it on ... need to generate for TestFlight? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm making a UITextField that has a UIPickerView as inputView. Its all good, except that I can edit by copy, paste, ... can I do to achieve it? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    openURL has been deprecated in Swift3. Can anyone provide some examples of how the replacement openURL:options: ... to open an url? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Has anyone implemented a decoration view for the iOS 6 UICollectionView? It's impossible to find any tutorial on ... me nuts... Thanks. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I HAVE READ apple documentation and it's not understandable for such a beginner in Objective-C as me. I'm trying ... . What am i gonna do? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've got an app that we've submitted dozends of versions to in the last 6 months and we do use APNS. I got the ... , so that's not a good sign. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I would like to support only portrait view. How can I make a React Native app not to autorotate? I tried ... I didn't find anything helpful. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a slider for a survey that display the following strings based on the value of the slider: "Very ... NSAttributedString to get this done. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm on iOS 13.5 and using Xcode 11.4 to build on to it. I'm getting this error message: The KBlackberry is ... to try a newer version of Xcode. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Hi I have a custom UITableViewCell with three buttons to handle a shopping cart function, Plus,Minus and Delete ... solution? Thanks in advance See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm developing an iPad application for a company. Because of confidentiality reasons they do not want to ... redistribute the whole app? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to mail a file (image) as an attachment by just picking it from an Image Picker. What is the ... an image) in iOS Objective-C? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm having troubles with UIScrollView using auto layout constraints. I have the following view hierarchy, with ... a better solution? Thanks See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a UIView in my UIViewController in storyboard which I want to add a constraint on to space that view ... ? Im using xcode 6. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What is the *comment parameter in: NSString *NSLocalizedString(NSString *key, NSString *comment) If I do this: ... t the English one redundant? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to draw some thumbnail images at a fixed size (100x100) using UIImageView. I've set the frame size ... , but the image is distorted. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am developing an iPhone app for music. I want to give some options to the user so they can listen the ... Please help me. Thanks in advance. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to display the contents of a video file (let's just say without the audio for now) onto a UV ... for video playback on iOS? .mov? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've been trying to redo the work on my app programmatically. (Without the use of storyboards) I'm almost done, ... to mention it's in Swift. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to parse a URL string like this one: &ad_eurl=http://www.youtube.com/video/4bL4FI1Gz6s&hl=it_IT&iv_logging_level ... to get a substring? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    With the recent up gradation of the Apple developer accounts, I am facing a difficulty that while trying to create ... new (.p8) certificates. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to implement a feature that will invoke some code when I double tap on the self.view ( ... [self.view addGestureRecognizer:doubleTap]; See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have an image called arrowWhite. I want to colour this image to black. func attachDropDownArrow() -> ... tintColor is not working... See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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