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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2009-05-06 Binary Data Programming Guide for Cocoa (HTML) (PDF)
Corrected the code listing under Modifying Bytes to account for the null terminator on the strings.
 Minor Change Guides Data Management
2009-05-06 CFNetwork Programming Guide (HTML) (PDF)
Corrected typos.
 Minor Change Guides Networking, Security
2009-05-06 Foundation Constants Reference (HTML) (PDF)
Corrected the definition of NSDecimalNoScale.
 Minor Change Reference Data Management, Objective-C Language
2009-05-06 Image Unit Tutorial (HTML) (PDF)
Updated line 7 of listing 2-7.
 Minor Change Guides Graphics & Imaging
2009-05-06 IMKServerInput Protocol Reference (HTML) (PDF)
Clarified constant descriptions.
 Minor Change Reference Internationalization, Text & Fonts
2009-05-06 Key-Value Observing Programming Guide (HTML) (PDF)
Clarified Core Data requirement in Registering Dependent Keys.
 Minor Change Guides Data Management, Design Guidelines
2009-05-06 Memory Management Programming Guide for Cocoa (HTML) (PDF)
Corrected typographical errors.
Minor Change Guides Design Guidelines, Objective-C Language
2009-05-06 NSAnimatablePropertyContainer Protocol Reference (HTML) (PDF)
Corrected typos.
 Minor Change Reference Graphics & Imaging
2009-05-06 NSCountedSet Class Reference (HTML) (PDF)
Referenced CFBag, which implements similar functionality.
 Minor Change Reference Data Management
2009-05-06 NSData Class Reference (HTML) (PDF)
Added subclassing notes. Clarified behavior of bytes and getData:length: methods.
 Minor Change Reference Data Management
2009-05-06 NSError Class Reference (HTML) (PDF)
Added a link to the Foundation error constants.
 Minor Change Reference Design Guidelines
2009-05-06 NSSegmentedCell Class Reference (HTML) (PDF)
Added missing API.
 Minor Change Reference User Experience
2009-05-06 NSSegmentedControl Class Reference (HTML) (PDF)
Added missing API.
 Minor Change Reference User Experience
2009-05-06 The Objective-C 2.0 Programming Language (HTML) (PDF)
Updated article on Mixing Objective-C and C++.
 Minor Change Guides Objective-C Language, Tools
2009-05-06 Predicate Programming Guide (HTML) (PDF)
Corrected a typographical error.
 Minor Change Guides Data Management, Design Guidelines
2009-05-06 QTCaptureDevice Class Reference (HTML) (PDF)
Fixed enumeration and constant listings. Minor fixes.
 Minor Change Reference QuickTime
2009-05-06 Search Kit Reference (HTML) (PDF)
Added notes that SKSearch and SKIndex objects cannot be used with CFMakeCollectable.
 Minor Change Reference Data Management, Text & Fonts, User Experience
2009-05-06 Stream Programming Guide for Cocoa (HTML) (PDF)
Added a missing comment to a code sample.
 Minor Change Guides Data Management, Networking
2009-05-01 Driving OpenGL Rendering Loops (HTML)
Corrected a typo.
 Minor Change Technical Q&As Events & Other Input, Games, Graphics & Imaging
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 Data Management, File Management
2009-04-08 CalCalendarStore Class Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference Apple Applications
2009-04-08 NSButtonCell Class Reference (HTML) (PDF)
Added style override details to setAttributedTitle:.
 Minor Change Reference Events & Other Input, User Experience
2009-04-08 NSDictionary Class Reference (HTML) (PDF)
Corrected typographical errors.
 Minor Change Reference Data Management, Design Guidelines
2009-04-08 NSNetService Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Interapplication Communication, Internet & Web, Networking
2009-04-08 NSNetServiceBrowser Class Reference (HTML) (PDF)
Miscellaneous edits.
 Minor Change Reference Interapplication Communication, Internet & Web, Networking
2009-04-08 NSScroller Class Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Content Update Reference User Experience
2009-04-08 NSSplitView Class Reference (HTML) (PDF)
Added splitView:shouldHideDividerAtIndex: delegate method. Added divider style and color methods.
 Content Update Reference User Experience
2009-04-08 NSUserDefaults Class Reference (HTML) (PDF)
Updated property list storage details.
 Minor Change Reference Data Management, User Experience
2009-04-08 QTCaptureAudioPreviewOutput Class Reference (HTML) (PDF)
Fixed parameter descriptions.
 Minor Change Reference QuickTime
2009-04-08 QTCaptureDeviceInput Class Reference (HTML) (PDF)
Minor fixes.
 Minor Change Reference QuickTime
2009-04-08 QTCaptureInput Class Reference (HTML) (PDF)
Minor technical fixes.
 Minor Change Reference QuickTime
2009-04-08 QTCaptureView Class Reference (HTML) (PDF)
Modified descriptions. Fixed typos. MInor fixes.
 Minor Change Reference QuickTime
2009-04-08 QTDataReference Class Reference (HTML) (PDF)
Added parameter descriptions, updated constant listings. Minor fixes.
 Minor Change Reference QuickTime
2009-04-08 Text System Overview (HTML) (PDF)
Added link in "Building a Text Editor in 15 Minutes" to information explaining how to configure an application's document types settings.
 Minor Change Guides Text & Fonts
2009-04-08 WebArchive Class Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference User Experience
2009-04-08 WebEditingDelegate Protocol Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference User Experience
2009-04-08 WebFrame Class Reference (HTML) (PDF)
Added separate parameter and return value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebFrameLoadDelegate Protocol Reference (HTML) (PDF)
Added separate parameter and return value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebJavaPlugIn Protocol Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebOpenPanelResultListener Protocol Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebPlugIn Protocol Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebPlugInContainer Protocol Reference (HTML) (PDF)
Added separate parameter and return value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebPlugInViewFactory Protocol Reference (HTML) (PDF)
Added separate parameter and return value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebPolicyDelegate Protocol Reference (HTML) (PDF)
Added separate parameter and return value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebResource Class Reference (HTML) (PDF)
Added separate parameter and return value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebScripting Protocol Reference (HTML) (PDF)
Added separate parameter and return value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebScriptObject Class Reference (HTML) (PDF)
Added separate parameter and return value descriptions.
 Minor Change Reference User Experience
2009-04-08 WebView Class Reference (HTML) (PDF)
Made minor edits throughout.
 Minor Change Reference User Experience
2009-04-07 QTCoreVideo202 (HTML) (DMG) (ZIP)
Performance improvement with movie pixel buffersand streaming textures.
 Minor Change Sample Code Graphics & Imaging, QuickTime
2009-04-07 QTCoreVideo301 (HTML) (DMG) (ZIP)
Fixed an issue with shader units that caused an OpenGL error.
 Content Update Sample Code Graphics & Imaging, QuickTime
2009-03-12 Keychain Services Programming Guide (HTML) (PDF)
Corrected a typo.
 Minor Change Guides Security
2009-03-08 Cocoa Bindings Programming Topics (HTML) (PDF)
Added warning about lack of key-value observing change values to Controller Key-Value Observing Compliance.
 Minor Change Guides Design Guidelines, User Experience
2009-03-05 Low-Level File Management Programming Topics (HTML) (PDF)
Corrected a broken link.
 Minor Change Guides File Management
2009-03-04 CalAlarm Class Reference (HTML)
Minor updates throughout.
 Minor Change Reference Apple Applications
2009-03-04 CalEvent Class Reference (HTML) (PDF)
Minor updates throughout.
 Minor Change Reference Apple Applications
2009-03-04 CalRecurrenceRule Class Reference (HTML) (PDF)
Minor edits throughout.
 Minor Change Reference Apple Applications
2009-03-04 CAMediaTiming Protocol Reference (HTML) (PDF)
Documented kCAFillModeFrozen as deprecated.
 Minor Change Reference 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
2009-03-04 Core Data Overview (HTML)
First version of a new document that describes a roadmap for learning Core Data.
 Minor Change Getting Started Data Management
2009-03-04 Core Data Programming Guide (HTML) (PDF)
Minor revision to accommodate new Getting Started document.
 Minor Change Guides Data Management, Design Guidelines
2009-03-04 Core Data Snippets (HTML) (PDF)
New document that provides snippets of code that you can use when writing a program that uses Core Data.
 First Version Guides Data Management
2009-03-04 Core Data Utility Tutorial (HTML) (PDF)
Updated title to better reflect purpose.
 Minor Change Guides Data Management, Design Guidelines
2009-03-04 Dock Tile Programming Guide (HTML) (PDF)
Updated to include guidelines for Cocoa programmers.
 Content Update Guides User Experience
2009-03-04 Error Handling Programming Guide For Cocoa (HTML) (PDF)
Corrected a link error.
 Minor Change Guides Design Guidelines, Objective-C Language
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
2009-03-04 NSATSTypesetter Class Reference (HTML) (PDF)
Removed reference to ATSUI.
 Minor Change Reference Text & Fonts
2009-03-04 NSDockTile Class Reference (HTML) (PDF)
Updated to describe differences in behavior between application and window dock tiles.
 Content Update Reference User Experience
2009-03-04 NSPointerArray Class Reference (HTML) (PDF)
Clarified behavior in fast enumeration.
 Minor Change Reference Data Management
2009-03-04 NSWindow Class Reference (HTML) (PDF)
Fixed several typographical errors, added information to setFrameAutosaveName:, and documented several undocumented symbols.
 Minor Change Reference Events & Other Input, Graphics & Imaging, User Experience
2009-03-04 QTCaptureOutput Class Reference (HTML) (PDF)
Minor edit fixes.
 Minor Change Reference QuickTime
2009-03-04 QTCaptureVideoPreviewOutput Class Reference (HTML) (PDF)
Minor edit fixes.
 Minor Change Reference QuickTime
2009-03-04 QTMedia Class Reference (HTML) (PDF)
Added parameter descriptions and constant groupings.
 Minor Change Reference QuickTime
2009-03-04 QTTrack Class Reference (HTML) (PDF)
Fixed constants listings; minor edits.
 Minor Change Reference QuickTime
2009-03-04 WebDocumentText Protocol Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-03-04 WebFrameView Class Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-03-04 WebHistory Class Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-03-04 WebPolicyDecisionListener Protocol Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-03-04 WebUIDelegate Protocol Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-03-03 64-Bit Transition Guide for Cocoa (HTML) (PDF)
Updated to add a section on tuning memory usage in 64-bit Cocoa applications.
 Content Update Guides Design Guidelines
2009-02-13 PMPrinterTest (HTML) (DMG) (ZIP)
Now uses a table view to display the results, and bindings to fill the table view. Cleaned up numerous memory leaks.
 Content Update Sample Code Printing
2009-02-04 Archives and Serializations Programming Guide for Cocoa (HTML) (PDF)
Replaced instances of "/tmp" with NSTemporaryDirectory().
 Minor Change Guides Data Management
2009-02-04 CALayer Class Reference (HTML) (PDF)
Added -init method description.
 Minor Change Reference Graphics & Imaging
2009-02-04 Cocoa Event-Handling Guide (HTML) (PDF)
Added Mac OS X v10.5 details about scroll-wheel events and key equivalents.
 Minor Change Guides Events & Other Input
2009-02-04 Collections Programming Topics for Cocoa (HTML) (PDF)
Corrected a code example showing indexOfObjectIdenticalTo:.
 Minor Change Guides Data Management
2009-02-04 Dashboard Programming Topics (HTML) (PDF)
Made minor corrections.
 Minor Change Guides Apple Applications
2009-02-04 Dialogs and Special Panels (HTML) (PDF)
Updated for Mac OS X v10.5: added "Customizing Alert Dialogs," which describes the suppression checkbox and accessory views.
 Minor Change Guides User Experience
2009-02-04 DOMNode Additions Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2009-02-04 Key-Value Coding Programming Guide (HTML) (PDF)
Added substantial task information and sample code.
 Content Update Guides Data Management, Design Guidelines
2009-02-04 Mac OS X ABI Function Call Guide (HTML) (PDF)
Made content corrections.
 Minor Change Guides Intel-Based Macs
2009-02-04 Mac OS X ABI Mach-O File Format Reference (HTML) (PDF)
Made minor changes.
 Minor Change Reference Runtime Architecture
2009-02-04 NSApplication Class Reference (HTML) (PDF)
Added dockTile method description.
 Minor Change Reference Runtime Architecture
2009-02-04 NSCalendar Class Reference (HTML) (PDF)
Clarified return value of ordinalityOfUnit:inUnit:forDate:.
 Minor Change Reference Data Management, Internationalization
2009-02-04 NSCell Class Reference (HTML) (PDF)
Documented truncatesLastVisibleLine and setTruncatesLastVisibleLine: methods. Added deprecated image scaling constants.
 Minor Change Reference User Experience
2009-02-04 NSEvent Class Reference (HTML) (PDF)
Added descriptions of CGEvent and mouse-movement event coalescing methods.
 Minor Change Reference Events & Other Input
2009-02-04 NSHelpManager Class Reference (HTML) (PDF)
Removed all references to using Interface Builder.
 Minor Change Reference Events & Other Input, Resource Management, User Experience
2009-02-04 NSKeyValueCoding Protocol Reference (HTML) (PDF)
Accessor search descriptions of setValue:forKey:, valueForKey:, mutableArrayValueForKey:, and mutableSetValueForKey: now point to the Key-Value Coding Programming Guide.
 Minor Change Reference Data Management, Design Guidelines
2009-02-04 NSMenuView Class Reference (HTML) (PDF)
Added information regarding what to use in place of NSMenuView.
Minor Change Reference User Experience
2009-02-04 NSObject Class Reference (HTML) (PDF)
Added note about managing scarce resources in dealloc.
 Minor Change Reference Design Guidelines, Objective-C Language
2009-02-04 NSOpenPanel Class Reference (HTML) (PDF)
Added more specific information regarding didEndSelector behavior in panel-running methods.
 Minor Change Reference Events & Other Input, File Management, User Experience
2009-02-04 NSOutlineView Class Reference (HTML) (PDF)
Added documentation for method outlineView:selectionIndexesForProposedSelection:.
 Minor Change Reference User Experience
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