Leopard Reference Library
This page lists new and recently changed documents, including Articles, Guides, Reference, Release Notes, Sample Code, Technical Notes, and Technical Q&As. Most documents have a revision history, which details additions and changes to that document since the previous version. Look for "Revision History" at the bottom of the document or in the document's table of contents.

Items are listed in reverse chronological order by publication date. To see the list sorted by the type of revision, click Sort by Revision Type. Items published for the first time (First Version) will be at the top of the list, followed by items with new or changed content (Content Update), followed by items with small fixes, such as typos and format errors, but no significant content changes (Minor Change).

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Document Revision Descriptions
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Topic
2008-11-19 Timer Programming Topics for Cocoa (HTML) (PDF)
Corrected typographical errors.
 Minor Change Guides Events & Other Input
2008-09-08 Expanding Tilde-based paths (HTML)
Simplified POSIX and CF versions using the embedded glob() function.
 Minor Change Technical Q&As File Management
2009-04-29 File Wrappers with Core Data Documents (HTML) (DMG) (ZIP)
This sample demonstrates how directory file wrappers can be used with NSPersistentDocument.
 First Version Sample Code File Management
2009-03-05 Low-Level File Management Programming Topics (HTML) (PDF)
Corrected a broken link.
 Minor Change Guides File Management
2008-10-15 NSDirectoryEnumerator Class Reference (HTML) (PDF)
Added note in Introduction to show how to retrieve a directory enumerator instance.
 Minor Change Reference File Management
2008-10-15 NSFileHandle Class Reference (HTML) (PDF)
Clarified description of closeFile and added link to related sample code project.
 Minor Change Reference File Management
2008-10-15 NSFileManager Class Reference (HTML) (PDF)
Corrected typographical errors.
 Minor Change Reference File Management
2008-10-15 NSFileWrapper Class Reference (HTML) (PDF)
Corrected -initWithSerializedRepresentation: method description.
 Minor Change Reference File Management
2009-02-04 NSOpenPanel Class Reference (HTML) (PDF)
Added more specific information regarding didEndSelector behavior in panel-running methods.
 Minor Change Reference File Management
2009-01-06 NSOutputStream Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference File Management
2009-02-04 NSSavePanel Class Reference (HTML) (PDF)
Updated documentation to use more consistent method formatting and corrected various errors.
 Minor Change Reference File Management
2008-10-15 NSStream Class Reference (HTML) (PDF)
Revised descriptions of NSStreamStatus constants.
 Minor Change Reference File Management
2008-10-15 Animation Overview (HTML) (PDF)
Corrected typos.
 Minor Change Guides Games
2008-11-24 Core Animation properties and Reference Counting (HTML)
First Version
 First Version Technical Q&As Games
2009-05-01 Driving OpenGL Rendering Loops (HTML)
Corrected a typo.
 Minor Change Technical Q&As Games
2008-11-19 Application Kit Framework Reference (HTML) (PDF)
Added NSTextInputClient Protocol Reference.
 Minor Change Reference General
2009-01-06 Foundation Release Notes (10.4 and earlier) (HTML)
Updated with information on Mac OS X 10.4.
 First Version Release Notes General
2008-10-15 WebKit Objective-C Framework Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference General
2008-10-24 Animating the frame of a CALayer. (HTML)
First Version
 First Version Technical Q&As Graphics & Imaging
2008-10-15 Animation Overview (HTML) (PDF)
Corrected typos.
 Minor Change Guides Graphics & Imaging
2009-02-04 CALayer Class Reference (HTML) (PDF)
Added -init method description.
 Minor Change Reference Graphics & Imaging
2008-09-30 CALayerEssentials (HTML) (DMG) (ZIP)
Demonstrates the basics of setting up various Core Animation layers
 First Version Sample Code Graphics & Imaging
2009-03-04 CAMediaTiming Protocol Reference (HTML) (PDF)
Documented kCAFillModeFrozen as deprecated.
 Minor Change Reference Graphics & Imaging
2009-01-06 Cocoa Drawing Guide (HTML) (PDF)
Updated the guidelines associated with resolution independent drawing.
 Minor Change Guides Graphics & Imaging
2009-03-04 Color Programming Topics for Cocoa (HTML) (PDF)
Removed statement that drawing to printers doesn't support alpha.
 Minor Change Guides Graphics & Imaging
2008-11-13 Core Animation Programming Guide (HTML) (PDF)
Introduces iPhone SDK content to Mac OS X content. Corrects frame animation capabilities.
 Content Update Guides Graphics & Imaging
2008-11-24 Core Animation properties and Reference Counting (HTML)
First Version
 First Version Technical Q&As Graphics & Imaging
2009-05-01 Driving OpenGL Rendering Loops (HTML)
Corrected a typo.
 Minor Change Technical Q&As Graphics & Imaging
2009-03-04 IKSlideshowDataSource Protocol Reference (HTML) (PDF)
Adding note that data source methods may be called on secondary threads.
 Minor Change Reference Graphics & Imaging
2009-05-06 Image Unit Tutorial (HTML) (PDF)
Updated line 7 of listing 2-7.
 Minor Change Guides Graphics & Imaging
2009-05-06 NSAnimatablePropertyContainer Protocol Reference (HTML) (PDF)
Corrected typos.
 Minor Change Reference Graphics & Imaging
2009-01-06 NSBitmapImageRep Class Reference (HTML) (PDF)
Updated the descriptions of the initWithCGImage: and initWithCIImage: methods.
 Minor Change Reference Graphics & Imaging
2008-10-15 NSBox Class Reference (HTML) (PDF)
Corrected descriptions of getter methods in "Customizing" method group, setTitleFont:, and titleFont.
 Minor Change Reference Graphics & Imaging
2009-01-06 NSColor Class Reference (HTML) (PDF)
Added definition for NSAppKitVersionNumberWithPatternColorLeakFix macro.
 Minor Change Reference Graphics & Imaging
2009-01-06 NSGradient Class Reference (HTML) (PDF)
Updated the method descriptions that involve drawing radial gradients with relative center positions.
 Minor Change Reference Graphics & Imaging
2009-01-06 NSImage Class Reference (HTML) (PDF)
Updated the description of the alignmentRect method.
 Minor Change Reference Graphics & Imaging
2009-01-06 NSImageRep Class Reference (HTML) (PDF)
Added a definition for the NSImageRepRegistryChangedNotification macro.
 Minor Change Reference Graphics & Imaging
2008-10-15 NSOpenGLPixelFormat Class Reference (HTML) (PDF)
Updated the the constants section to reflect changes in Mac OS X v10.5.
 Minor Change Reference Graphics & Imaging
2009-01-06 NSPanel Class Reference (HTML) (PDF)
Added information about NSHUDWindowMask constant.
 Minor Change Reference Graphics & Imaging
2009-01-06 NSScreen Class Reference (HTML) (PDF)
Updated the information regarding what constitutes the main screen.
 Minor Change Reference Graphics & Imaging
2009-02-04 NSShadow Class Reference (HTML) (PDF)
Added a description for NSShadow's init method.
 Minor Change Reference Graphics & Imaging
2009-02-04 NSView Class Reference (HTML) (PDF)
Corrected typos.
 Minor Change Reference Graphics & Imaging
2009-03-04 NSWindow Class Reference (HTML) (PDF)
Fixed several typographical errors, added information to setFrameAutosaveName:, and documented several undocumented symbols.
 Minor Change Reference Graphics & Imaging
2009-04-07 QTCoreVideo202 (HTML) (DMG) (ZIP)
Performance improvement with movie pixel buffersand streaming textures.
 Minor Change Sample Code Graphics & Imaging
2009-04-07 QTCoreVideo301 (HTML) (DMG) (ZIP)
Fixed an issue with shader units that caused an OpenGL error.
 Content Update Sample Code Graphics & Imaging
2008-10-15 Quartz Composer Programming Guide (HTML) (PDF)
Added description of "onloading" HTML attribute in Quartz Composer WebKit plug-in.
 Minor Change Guides Graphics & Imaging
2008-10-15 WebKit Objective-C Programming Guide (HTML) (PDF)
Minor edits throughout.
 Minor Change Guides Graphics & Imaging
2009-02-04 Mac OS X ABI Function Call Guide (HTML) (PDF)
Made content corrections.
 Minor Change Guides Intel-Based Macs
2009-02-04 Universal Binary Programming Guidelines, Second Edition (HTML) (PDF)
Made minor content additions.
 Minor Change Guides Intel-Based Macs
2008-10-15 NSInvocation Class Reference (HTML) (PDF)
Updated code examples to use NSInteger instead of raw types.
 Minor Change Reference Interapplication Communication
2009-04-08 NSNetService Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Interapplication Communication
2009-04-08 NSNetServiceBrowser Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Interapplication Communication
2008-10-15 NSPasteboard Class Reference (HTML) (PDF)
Clarified behavior of pasteboardChangedOwner:.
 Minor Change Reference Interapplication Communication
2008-10-15 NSSocketPort Class Reference (HTML) (PDF)
Clarified the types of messaging available for NSSocketPort.
 Minor Change Reference Interapplication Communication
2008-10-13 SBSystemPrefs (HTML) (DMG) (ZIP)
Shows how to use Scripting Bridge to display a preference pane in System Preferences.
 First Version Sample Code Interapplication Communication
2009-05-06 IMKServerInput Protocol Reference (HTML) (PDF)
Clarified constant descriptions.
 Minor Change Reference Internationalization
2009-01-06 Internationalization Programming Topics (HTML) (PDF)
Fixed the ibtool examples to use the updated syntax.
 Minor Change Guides Internationalization
2009-02-04 NSCalendar Class Reference (HTML) (PDF)
Clarified return value of ordinalityOfUnit:inUnit:forDate:.
 Minor Change Reference Internationalization
2008-11-19 NSDateFormatter Class Reference (HTML) (PDF)
Added note about supported behaviors for iPhone OS.
 Minor Change Reference Internationalization
2008-11-13 NSHTTPCookie Class Reference (HTML) (PDF)
Added isHTTPOnly method.
 Content Update Reference Internet & Web
2009-04-08 NSNetService Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Internet & Web
2009-04-08 NSNetServiceBrowser Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Internet & Web
2009-02-04 NSURL Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Internet & Web
2009-02-04 NSURLHandle Class Reference (HTML) (PDF)
Corrected typos.
 Minor Change Reference Internet & Web
2009-02-04 Tree-Based XML Programming Guide for Cocoa (HTML) (PDF)
Replaced use of deprecated method loadDataRepresentation:ofType: with readFromData:ofType:error:.
 Minor Change Guides Internet & Web
2009-01-06 Web Services Core Framework Reference (HTML)
Describes the Web Services Core API.
 First Version Reference Internet & Web
2009-01-06 Web Services Core Programming Guide (HTML) (PDF)
Updated text and sample code. Moved API reference information to "Web Services Core Reference".
 Minor Change Guides Internet & Web
2008-10-15 WebKit DOM Programming Topics (HTML) (PDF)
Minor edits throughout.
 Minor Change Guides Internet & Web
2008-10-15 WebKit Objective-C Programming Guide (HTML) (PDF)
Minor edits throughout.
 Minor Change Guides Internet & Web
2008-10-15 WebKit Plug-In Programming Topics (HTML) (PDF)
Added information regarding alternatives to plug-in development.
 Minor Change Guides Internet & Web
2008-11-19 WebKit Reference Update (HTML) (PDF)
Minor edits throughout.
 Minor Change Release Notes Internet & Web
2009-05-06 CFNetwork Programming Guide (HTML) (PDF)
Corrected typos.
 Minor Change Guides Networking
2008-11-13 NSHTTPCookie Class Reference (HTML) (PDF)
Added isHTTPOnly method.
 Content Update Reference Networking
2009-04-08 NSNetService Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Networking
2009-04-08 NSNetServiceBrowser Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Networking
2008-10-15 NSNetServices and CFNetServices Programming Guide (HTML) (PDF)
Updated code listings.
 Minor Change Guides Networking
2009-01-06 NSOutputStream Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Networking
2008-10-15 NSSocketPort Class Reference (HTML) (PDF)
Clarified the types of messaging available for NSSocketPort.
 Minor Change Reference Networking
2008-10-15 NSStream Class Reference (HTML) (PDF)
Revised descriptions of NSStreamStatus constants.
 Minor Change Reference Networking
2009-02-04 NSURL Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Networking
2009-02-04 NSURLHandle Class Reference (HTML) (PDF)
Corrected typos.
 Minor Change Reference Networking
2009-05-06 Stream Programming Guide for Cocoa (HTML) (PDF)
Added a missing comment to a code sample.
 Minor Change Guides Networking
2009-01-06 Web Services Core Programming Guide (HTML) (PDF)
Updated text and sample code. Moved API reference information to "Web Services Core Reference".
 Minor Change Guides Networking
2008-11-19 Application Kit Framework Reference (HTML) (PDF)
Added NSTextInputClient Protocol Reference.
 Minor Change Reference Objective-C Language
2008-11-19 Application Kit Functions Reference (HTML) (PDF)
Added descriptions for the NSDrawThreePartImage and NSDrawNinePartImage functions.
 Minor Change Reference Objective-C Language
2008-11-24 Core Animation properties and Reference Counting (HTML)
First Version
 First Version Technical Q&As Objective-C Language
2008-09-08 Determining if an application uses Objective-C Garbage Collection (HTML)
First Version
 First Version Technical Q&As Objective-C Language
2009-03-04 Error Handling Programming Guide For Cocoa (HTML) (PDF)
Corrected a link error.
 Minor Change Guides Objective-C Language
2009-05-06 Foundation Constants Reference (HTML) (PDF)
Corrected the definition of NSDecimalNoScale.
 Minor Change Reference Objective-C Language
2008-09-09 Foundation Data Types Reference (HTML) (PDF)
Added descriptions for NSInteger and NSUInteger.
 Minor Change Reference Objective-C Language
2008-11-19 Garbage Collection Programming Guide (HTML) (PDF)
Added note that Foundation programs need to use objc_startCollectorThread().
 Minor Change Guides Objective-C Language
2009-05-06 Memory Management Programming Guide for Cocoa (HTML) (PDF)
Corrected typographical errors.
Minor Change Guides Objective-C Language
2009-01-02 NSAutoreleasePool Class Reference (HTML) (PDF)
Changed "managed memory environment" to "reference-counted environment" throughout.
 Minor Change Reference Objective-C Language
2008-10-15 NSGarbageCollector Class Reference (HTML) (PDF)
Clarified use of -isEnabled.
 Minor Change Reference Objective-C Language
2008-10-15 NSInvocation Class Reference (HTML) (PDF)
Updated code examples to use NSInteger instead of raw types.
 Minor Change Reference Objective-C Language
2008-10-15 NSMethodSignature Class Reference (HTML) (PDF)
Added declaration of signatureWithObjCTypes:.
 Minor Change Reference Objective-C Language
2009-02-04 NSObject Class Reference (HTML) (PDF)
Added note about managing scarce resources in dealloc.
 Minor Change Reference Objective-C Language
2008-12-22 NSObject Protocol Reference (HTML) (PDF)
Updated discussion of retainCount method.
 Minor Change Reference Objective-C Language
2008-11-19 Object-Oriented Programming with Objective-C (HTML) (PDF)
Corrected typographical errors.
Minor Change Guides Objective-C Language
2009-01-06 Objective-C 1 Runtime Reference (HTML) (PDF)
Added link to current document.
 Minor Change Reference Objective-C Language
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