This tag should be used only on questions that are about Objective-C features or depend on code in the language.
How do I test if an NSString is empty in Objective-C?
ios objective-c nsstringIn the Music app of the new iOS, we can see an album cover behind a view that blurs it. …
ios objective-c graphics filtering core-imageI am using a custom UITableViewCell which has some labels, buttons and image views to be displayed. There is one …
ios objective-c uitableview row-heightHow do I set cell spacing in a section of UICollectionView? I know there is a property minimumInteritemSpacing I have …
ios objective-c uicollectionviewI have the value 25.00 in a float, but when I print it on screen it is 25.0000000. How can I display …
objective-c formatting floating-pointIs there any way to add spacing between UITableViewCell? I have created a table and each cell only contain an …
ios objective-c uitableviewI've gone through the iBook from Apple, and couldn't find any definition of it: Can someone explain the structure of …
objective-c swift grand-central-dispatchI have read several of the post about Objective-C method syntax but I guess I don't understand multiple names for …
objective-c syntax parameters methodsI have the following simple code to connect to a SSL webpage NSMutableURLRequest *urlRequest=[NSMutableURLRequest requestWithURL:url]; [ NSURLConnection sendSynchronousRequest: urlRequest …
ios objective-c https ssl-certificate app-transport-securityHow to replace a character is a string in Objective-C?
ios objective-c iphone nsstring