10 content recommendations from Development Baiwen

131. How to restrict ScrollView from scrolling in a certain direction? For example, to restrict scrolling in the x direction, you can implement the UIScrollViewDelegate protocol method: func scrollViewDidScroll(scrollView: UIScrollView) { ifabs(scrollView.contentOffset.x) > 0 { scrollView.contentOffset= CGPointMake(0, scrollView.contentOffset.y) } }132. How to import the O-C framework into the Swift Framework target. Take BmobSDK as an example (the same is true for C/O-C frameworks such as CommonCrypto). When you add BmobSDK to Link Binary With Libraries, when you

1. iOS Development Questions (11)

##Introduction: How to limit ScrollView in Not scrollable in a certain direction? For example, to restrict scrolling in the x direction, you can implement the UIScrollViewDelegate protocol method:

2. iOS Development Questions (10)

#Introduction: If you encounter this error when debugging on a real machine, there will be no such error under the simulator. It means that a certain lib library only has the x86 version, but lacks the armv7/armv6 version. Check the library pointed to by the error and use the lipo –info command to check the binary information of the .a file.

3. 100 Questions on iOS Development (9)

##Introduction: Why is setting layer.borderColor useless in IB? I set the Runtime property of UIView in IB to obtain a rectangular effect with rounded corners and a red border, as shown in the following figure:

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iOS Development Questions ( 9)

Introduction: Compilation error: ld: library notfound for -lPods When cocoaPods is used in the project This error often occurs (usually when releasing). This is because after pod install, cocoaPods will create a new workspace. You must close the project and reopen it. The problem is solved. 102. Why is the iOS time always 8 hours slower than the real time

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iOS development questions (8)

Introduction: 90. Profile not found error "CodeSign error: no provisioning profile at path '/Users/yourname/Library/MobileDevice/ProvisioningProfiles/F87A055A- EC0D-4F19-A015-57AB09DEBECB.mobileprovision'"

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iOS development questions (7)

Introduction: How to make the size of UIWebView conform to the content of HTML? In iOS5, this is very simple, set the delegate of webview, and then implement didFinishLoad: method in the delegate:

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iOS Development Questions (6)

Introduction: The compiler thinks that your else clause causes unclear semantics. What do you mean? Regardless of whether a is equal to 10, a should be assigned a value of 100 after if is executed, or do you only want a to be assigned a value of 100 in the else clause (that is, when a is not equal to 10)?

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100 Questions on iOS Development (5)

Introduction: Warning: Multiplebuild commands for output file target reference resources with duplicate names. Find the current target, expand it, find the CopyBundle Resources column, and then find the resources with duplicate names in it. Delete the unnecessary one.

9. iOS development questions (4)

##Introduction: UIImage can load images, but we want to get a reduced or enlarged image, which cannot be done using UIImage. Next, we add a UIImage classification to achieve the enlargement and reduction of images in UIImage.

10. 100 Questions on iOS Development (3)

Introduction: Solve the messageent to deallocated instance 0x52cc690 error. This error occurs when trying to assign a value to an object.

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