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Objective-c - Issues with getters/setters in iOS

{Code...} The above does not override the getter/setter method of lastName in the subclass SmithPerson. I can ...

From [iOSdiscussion group] 2017-05-02 09:30:21 0  1  680

objective-c - Can the WeChat development platform account used for WeChat login and the WeChat development platform account used for WeChat payment for the same APP be different?

The company now has two WeChat open platform accounts. One can be logged in as a third party after paying 300,...

From [iOSdiscussion group] 2017-05-02 09:30:19 0  2  810

objective-c - About viewDiddisappear and viewDidAppear

Click Next and it gets stuck. The viewWillDisappear of this interface is executed, and the viewWillappear and ...

From [iOSdiscussion group] 2017-05-02 09:30:15 0  2  657

objective-c - Is there any library like sdwebimage in mac application development?

Is there any library like sdwebimage in mac application development?

From [iOSdiscussion group] 2017-05-02 09:30:13 0  1  802

objective-c - How should these three types of process control be expressed in OC? ?

How should these three types of process control be expressed in OC? ?

From [iOSdiscussion group] 2017-05-02 09:30:11 0  2  856

Problem with replacing elements in OC two-dimensional array?

I have a newbie question {code...} Then I want to replace the element with index 1 {code...} When I use this m...

From [iOSdiscussion group] 2017-05-02 09:30:09 0  2  1013

objective-c - How to use small for iOS plug-in development?

Are there any demos that I can learn from? The small ones I checked online are all for Android. I want to sepa...

From [iOSdiscussion group] 2017-05-02 09:30:06 0  1  817

objective-c - What are the correct usage and application scenarios of the actual development of NSException, try catch, NSError, and NSAssert? God, please take over

Today I ask a question about error handling. What are the correct usage and application scenarios of NSExcepti...

From [iOSdiscussion group] 2017-05-02 09:30:04 0  0  789

objective-c - afnetworking gets data from the interface, how to put the data in another variable

(NSArray *)model{if (_model == nil) { {code...} // NSLog(@"%@",resultDic); {code...} } }

From [iOSdiscussion group] 2017-05-02 09:30:03 0  1  595

"What is the difference between NSNotification&KVO&Block&Delegate?" How do you usually answer

I have encountered this question during interviews before, and I don’t know if the answer online is reasonable...

From [iOSdiscussion group] 2017-05-02 09:30:02 0  3  693

My iOS app wants to run in the background

1. I want to use the location update method, but in fact my application cannot use it. 2. The current problem ...

From [iOSdiscussion group] 2017-05-02 09:30:00 0  1  791

objective-c - How to write a breakpoint resume upload? Use cancellationSigna to return YES to pause and continue. If the program exits, how to resume the next upload?

Please tell me how to write a breakpoint resume upload. Use cancellationSigna to return YES to pause and conti...

From [iOSdiscussion group] 2017-05-02 09:29:58 0  0  509

Objective-c - Why is the result of array traversal operation in OC a string of addresses?

Header file {code...} main function {code...} The running result is as shown in the figure 2016-09-08 15:36:20...

From [iOSdiscussion group] 2017-05-02 09:29:55 0  1  541

objective-c - IOS resumes uploading at breakpoints. The progress can be obtained after the program exits, but the size of the file and the size of the uploaded file cannot be obtained.

How to automatically get the file size?

From [iOSdiscussion group] 2017-05-02 09:29:52 0  0  871

objective-c - IOS Qiniu resumes uploading at breakpoints. How to get the size of the uploaded file and the size of the uploaded file when uploading again after exiting the program?

How to automatically get the file size?

From [iOSdiscussion group] 2017-05-02 09:29:50 0  0  552