iphone Programming Glossary: semantics

What happens if I don't retain IBOutlet?

http://stackoverflow.com/questions/1250518/what-happens-if-i-dont-retain-iboutlet

the new one. At this point it is somewhat ambiguous as to whom owns this new text field because the memory management semantics are not contained within the setter. Now let's say a different view controller is pushed on the UINavigation Controller's..

iPhone Core Data: Cascading delete across a many-to-one relationship

http://stackoverflow.com/questions/2204150/iphone-core-data-cascading-delete-across-a-many-to-one-relationship

code but wanted to allow Core Data to do the right thing if possible. But it's not clear that the garbage collection semantics that I'm looking for are supported in Core Data. Any suggestions iphone cocoa cocoa touch core data cascading deletes ..

Check if constant is defined at runtime in Obj-C

http://stackoverflow.com/questions/3122177/check-if-constant-is-defined-at-runtime-in-obj-c

if statement away. You should also be comparing the address of the constant to NULL rather than nil nil has different semantics . A more accurate solution is this BOOL isKeyboardBoundsKeyAvailable UIKeyboardBoundsUserInfoKey NULL if isKeyboardBoundsKeyAvailable..

How to create a protocol with methods that are optional?

http://stackoverflow.com/questions/322498/how-to-create-a-protocol-with-methods-that-are-optional

@optional keyword. Corresponding to the @optional modal keyword there is a @required keyword to formally denote the semantics of the default behavior. You can use @optional and @required to partition your protocol into sections as you see fit. If..

Keeping values between view controllers

http://stackoverflow.com/questions/3432725/keeping-values-between-view-controllers

property on it. That said I haven't done much with view controllers on iOS yet myself so I'm not sure what the semantics of what parentViewController should point to for a given view is... but I'd venture that your ItemAddViewController instance..

release Vs nil — Best Practice

http://stackoverflow.com/questions/4220815/release-vs-nil-best-practice

nil and it will release whatever foo was pointing at. However if your property was not declared to have retain storage semantics this will not implicitly release whatever foo was pointing at. Also as Ryan pointed out a property can be overridden to.. a dangling pointer to released memory you can follow this up with foo nil If you are not using properties with retain semantics you need to release whatever was stored in the variable foo release EDIT Also see the following answer to another question..

Blob Data Type?

http://stackoverflow.com/questions/4363755/blob-data-type

NSMutableString as retain/copy

http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy

contexts. that concept's fine you may just be using a private class for several reasons. in either case copy write semantics to external clients and subclasses is not implicitly clear and the implementation is dangerous. sharing an NSMutableString..

Do I need to release xib resources?

http://stackoverflow.com/questions/61838/do-i-need-to-release-xib-resources

dealloc uiElement release super dealloc @end The advantage of this approach is that it makes the memory management semantics explicit and clear and it works consistently across all platforms for all nib files . Note The following comments apply..

• self.view.frame.size
• self.view.frame.size.width
• self.view
• self.view.layer
• self.view.subviews
• self.view.superview
• self.view.transform
• self.view.window
• self.viewcontroller
• self.viewcontrollers
• self.webview.delegate
• self.webview
• self.window
• self.window.rootviewcontroller
• self.workcontroller
• self.xmlbody
• sell
• selling
• sema
• semantics
• semaphore
• semi
• semitones
• sencha
• send
• sendaction
• sendactionsforcontrolevents
• sendasynchronousrequest
• sendasynchronousrequest4
• sendbutton
• senddata
• sendemail
• sender.direction
• sender
• sender.state
• sender.tag
• sendevent
• sending
• sends
• sendsubviewtoback
• sendsynchronousrequest
• sense
• sensibilitymovement
• sensible
• sensitive
• sensor
• sensors
• sent
• sentence
• sentestingkit
• sep
• separate
• separated
• separately
• separating
• separation
• separator
• separators
• seperate
• sept
• september
• seq
• sequence
• sequences
• sequential
• sequentially
• serial
• serialization
• serialize
• serialized