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).

New and updated Reference Library documents are announced in the bi-weekly Apple Developer Connection News, available as an option to ADC members. See the Membership Overview page for details on joining.
Document Revision Descriptions
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2008-10-15 NSGarbageCollector Class Reference (HTML) (PDF)
Clarified use of -isEnabled.
 Minor Change Reference Objective-C Language
2008-10-15 NSIndexPath Class Reference (HTML) (PDF)
Clarified indexAtPosition: description.
Minor Change Reference Data Management
2008-10-15 NSInvocation Class Reference (HTML) (PDF)
Updated code examples to use NSInteger instead of raw types.
 Minor Change Reference Interapplication Communication, Objective-C Language
2008-10-15 NSKeyedArchiver Class Reference (HTML) (PDF)
Clarified behavior of encodeObject:forKey: for nil values.
 Minor Change Reference Data Management
2008-10-15 NSKeyedUnarchiver Class Reference (HTML) (PDF)
Added notes that keys must not be nil.
 Minor Change Reference Data Management
2008-10-15 NSManagedObject Class Reference (HTML) (PDF)
Clarified descriptions of primitiveValueForKey: and setPrimitiveValue:forKey:.
 Minor Change Reference Data Management
2008-10-15 NSManagedObjectContext Class Reference (HTML) (PDF)
Clarifed return value for countForFetchRequest:error:.
 Minor Change Reference Data Management
2008-10-15 NSMatrix Class Reference (HTML) (PDF)
Clarified usage of selectAll:.
 Minor Change Reference User Experience
2008-10-15 NSMethodSignature Class Reference (HTML) (PDF)
Added declaration of signatureWithObjCTypes:.
 Minor Change Reference Objective-C Language
2008-10-15 NSMutableParagraphStyle Class Reference (HTML) (PDF)
Removed erroneous statement that 0 is not accepted by setTighteningFactorForTruncation: method.
 Minor Change Reference Data Management, Text & Fonts
2008-10-15 NSNetServices and CFNetServices Programming Guide (HTML) (PDF)
Updated code listings.
 Minor Change Guides Networking
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
2008-10-15 NSPasteboard Class Reference (HTML) (PDF)
Clarified behavior of pasteboardChangedOwner:.
 Minor Change Reference Interapplication Communication, User Experience
2008-10-15 NSPointerFunctions Class Reference (HTML) (PDF)
Added definition of NSPointerFunctionsOpaqueMemory.
 Minor Change Reference Data Management
2008-10-15 NSPopUpButton Class Reference (HTML) (PDF)
Replace parameter types of "id < MenuItem>" with "MenuItem *".
 Minor Change Reference User Experience
2008-10-15 NSPopUpButtonCell Class Reference (HTML) (PDF)
Replaced parameter types of "id <NSMenuItem>" with "NSMenuItem *". Corrected description of attachPopUpWithFrame:inView: method. Included code example for setUsesItemFromMenu:.
 Minor Change Reference User Experience
2008-10-15 NSPredicateEditor Class Reference (HTML) (PDF)
Removed broken link.
Minor Change Reference Data Management, User Experience
2008-10-15 NSScanner Class Reference (HTML) (PDF)
Documented hexadecimal scanning methods introduced in Mac OS X v10.5
 Minor Change Reference Data Management
2008-10-15 NSSet Class Reference (HTML) (PDF)
Corrected typographical errors.
 Minor Change Reference Data Management
2008-10-15 NSSocketPort Class Reference (HTML) (PDF)
Clarified the types of messaging available for NSSocketPort.
 Minor Change Reference Interapplication Communication, Networking
2008-10-15 NSSound Class Reference (HTML) (PDF)
Updated the list of supported sound formats.
 Minor Change Reference Audio, Data Management, Resource Management
2008-10-15 NSStream Class Reference (HTML) (PDF)
Revised descriptions of NSStreamStatus constants.
 Minor Change Reference Data Management, File Management, Networking
2008-10-15 NSTextInputClient Protocol Reference (HTML) (PDF)
New document that describes the protocol enabling conforming objects to receive keyboard input as properly formed text.
 First Version Reference Events & Other Input, Text & Fonts
2008-10-15 NSTokenField Class Reference (HTML) (PDF)
Made several minor corrections.
 Minor Change Reference User Experience
2008-10-15 NSToolbar Class Reference (HTML) (PDF)
Corrected description of toolbar:itemForItemIdentifier:willBeInsertedIntoToolbar: method.
 Minor Change Reference User Experience
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 Security Overview (HTML) (PDF)
Added a link to the iPhone OS Technology Overview.
 Content Update Guides Security
2008-10-15 String Programming Guide for Cocoa (HTML) (PDF)
Added new aricle on character clusters; updated list of string format specifiers.
 Minor Change Guides Data Management, Text & Fonts
2008-10-15 Text Layout Programming Guide for Cocoa (HTML) (PDF)
Added information on thread safety to "The Layout Manager" article.
 Minor Change Guides Text & Fonts
2008-10-15 WebDataSource Class Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference User Experience
2008-10-15 WebDocumentView Protocol Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference User Experience
2008-10-15 WebDownload Class Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference User Experience
2008-10-15 WebHistoryItem Class Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference User Experience
2008-10-15 WebKit Constants Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference User Experience
2008-10-15 WebKit DOM Programming Topics (HTML) (PDF)
Minor edits throughout.
 Minor Change Guides Internet & Web
2008-10-15 WebKit Objective-C Framework Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference General, User Experience
2008-10-15 WebKit Objective-C Programming Guide (HTML) (PDF)
Minor edits throughout.
 Minor Change Guides Graphics & Imaging, Internet & Web, User Experience
2008-10-15 WebKit Plug-In Programming Topics (HTML) (PDF)
Added information regarding alternatives to plug-in development.
 Minor Change Guides Internet & Web
2008-10-15 WebPreferences Class Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference User Experience
2008-10-15 Xcode Quick Tour for Mac OS X (HTML) (PDF)
Added information about how to implement the Converter application.
 Minor Change Guides Tools
2008-10-13 QTKit Capture - Disabling specific audio channels when recording (HTML)
First Version
 First Version Technical Q&As QuickTime
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, Scripting & Automation
2008-09-30 CALayerEssentials (HTML) (DMG) (ZIP)
Demonstrates the basics of setting up various Core Animation layers
 First Version Sample Code Graphics & Imaging
2008-09-24 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Updated source listing.
 Minor Change Technical Q&As Events & Other Input, Process Management, Resource Management
2008-09-16 Disabling Processor Cores on a Multi-Core System (HTML) (日本語 HTML)
Added CHUD Processor preference pane. Removed obsolete content. Made editorial changes.
 Content Update Technical Q&As Performance
2008-09-16 QTKit Capture - Video Compression Options And Preview (HTML)
First Version
 First Version Technical Q&As QuickTime
2008-09-10 Observing Process Lifetimes Without Polling (HTML)
A major rewrite to eliminate use of deprecated APIs and to update the technote to reference the latest techniques.
 Minor Change Technical Notes Process Management
2008-09-09 Event-Driven XML Programming Guide for Cocoa (HTML) (PDF)
Added note about introduction of namespace support in v10.4.
 Minor Change Guides Data Management
2008-09-09 Foundation Data Types Reference (HTML) (PDF)
Added descriptions for NSInteger and NSUInteger.
 Minor Change Reference Data Management, Objective-C Language
2008-09-09 NSCondition Class Reference (HTML) (PDF)
Corrected availability information.
 Minor Change Reference Process Management
2008-09-08 Determining if an application uses Objective-C Garbage Collection (HTML)
First Version
 First Version Technical Q&As Objective-C Language
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
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