Stuart

Stuart has asked 37 questions and find answers to 88 problems.

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Stuart questions

NSSet -member to check equality of NSValue
How can I draw (as in GLPaint) onto a background image, and with temporary drawings?
ARC weak ivar released before being returned - when building for release, not debug
ibtool error when linking storyboard references: The file "Info.plist" couldn't be saved in the folder *.storyboardc
Xcode 4 method braces "{" convention
OpenGL ES 2.0 point sprites with distinct rotations - calculate matrix in shader?
NSMetadataQuery ignoring custom file package type
Swift delegate protocol for generic class
Paging UIScrollView with two-finger pan and zoom
UIDocument & NSFileWrapper - NSFastEnumerationMutationHandler while changing file wrapper during a save

Stuart answers

iOS rotate view around an anchor point and follow touch
Modifying Arrays in Swift, (Inserting and Appending via Subscript Syntax)
UICollectionView within a UICollectionViewCell (Swift)
How can I draw (as in GLPaint) onto a background image, and with temporary drawings?
How to write completion handler in Swift with animation.
ibtool error when linking storyboard references: The file "Info.plist" couldn't be saved in the folder *.storyboardc
OpenGL ES 2.0 point sprites with distinct rotations - calculate matrix in shader?
Sluggish scrolling experience when using QuartzCore to round corners on UIImageView's within a UITableViewCell
UIDatePicker: it is not possible to select default value
Identifying a subclass with Swift Generics works with custom class but not with UITapGestureRecognizer