unrecognized-selector

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"unrecognized selector" error when trying to dismiss keyboard

I\'m trying to dismiss the keyboard when the user presses a \"cancel\" UIBarButtonItem. When I click the cancel button however, I get a SIGABRT with the \"unrecognized selector sent to instance\" erro[详细]

2023-04-11 00:17 分类：问答
CoreData with MapKit unrecognized selector

I get the following error 2011-09-05 08:08:43.506 CaveConditions[7203:11903] -[NSManagedObject coordinate]: unrecognized selector sent to instance 0x7471910[详细]

2023-04-02 04:57 分类：问答
unrecognized selector

I have a problem with the next code: NSDictionary * imagen = [[NSDictionary alloc] initWithDictionary:[envio resultValue]];[详细]

2023-03-30 08:14 分类：问答
Objective C: How to resolve 'unrecognized selector sent to instance' error

I am trying to access a property of instance object using the following code for (User *user in likersArray)[详细]

2023-03-21 07:12 分类：问答
When clicking a button app kills process

Basically I\'ve created a soundboard app from another app. However i keep getting the same error and I can\'t understand whats wrong. I\'m quite new to xcode and I\'ve searched all over the internet f[详细]

2023-03-01 02:32 分类：问答
NSCFNumber unrecognized selector

i want to send data between views, but i get an error: unrecognized selector.... and the in the debugger, the variable mystring is a NSCFNumber (\"at this time\") instead of NSString...[详细]

2023-02-20 03:50 分类：问答
CustomCell Crash

I am using CustomCell tableview, download data and binding it.When i tap multiple time am getting this error.[详细]

2023-02-06 16:25 分类：问答
Unrecognized Selector Sent to Instance [NSCFString subarrayWithRange:]

I have the following code which is producing this error. I cannot understand why the subarrayWithRange message is being sent to a string? When it is clearly an array?[详细]

2023-01-19 03:40 分类：问答
Core Data: NSManagedObjectContext save crashing with unrecognized selector

I\'m trying to add Core Data to an existing application, which isn\'t easy considering that all the documentation and every tutorial starts out with creating an app that uses core data from the start.[详细]

2023-01-13 17:14 分类：问答
How can I isolate third-parties' C/C++/ObjC libraries' symbols from each other?

I have a project that needs to incorporate two third-party libraries, libA and libB. I have little, if any, influence over the third-party libraries. The problem being is that both libA and libB inclu[详细]

2023-01-12 18:02 分类：问答