Technical Q&As
This page lists new and recently changed Technical Q&As.

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 Technical Q&As 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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Topic
2008-02-27 Common mistakes with delegation in Cocoa (HTML)
First Version
 First Version Design Guidelines
2008-01-21 Connecting the Font Menu in Interface Builder 3 (HTML)
First Version
 First Version Design Guidelines
2008-01-23 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Added information for daemon authors.
 Content Update Events & Other Input
2007-09-24 Expanding Tilde-based paths (HTML)
First Version
 First Version File Management
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version Games
2007-12-19 How do I get the hexadecimal value of an NSColor object? (HTML)
First Version
 First Version Graphics & Imaging
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version Graphics & Imaging
2008-02-08 Re-enabling dragging from NSTableView to other applications (HTML) (日本語 HTML)
Updated for resolution of issue in Mac OS X 10.4.
 Minor Change Interapplication Communication
2007-09-21 Obtaining the localized application name in Cocoa (HTML)
First Version
 First Version Internationalization
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Networking
2008-02-27 Common mistakes with delegation in Cocoa (HTML)
First Version
 First Version Objective-C Language
2007-12-19 How do I get the hexadecimal value of an NSColor object? (HTML)
First Version
 First Version Objective-C Language
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version Performance
2008-02-20 Customizing Process Stack Size (HTML)
Updated NSThread section for Leopard.
 Minor Change Process Management
2008-04-14 Determining console user login status (HTML)
A complete rewrite to account for fast user switching, and to simplify the code.
 Minor Change Process Management
2008-01-23 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Added information for daemon authors.
 Content Update Process Management
2008-03-17 QTKit Capture - Extracting SMPTE Timecode information from a QTSampleBuffer (HTML)
First Version
 First Version QuickTime
2008-04-24 Using QTPixelBufferContextCreate with NewMovieFromProperties (HTML)
Editorial
 Minor Change QuickTime
2008-02-20 Customizing Process Stack Size (HTML)
Updated NSThread section for Leopard.
 Minor Change Resource Management
2007-09-21 Obtaining the localized application name in Cocoa (HTML)
First Version
 First Version Resource Management
2008-01-23 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Added information for daemon authors.
 Content Update Resource Management
2008-01-21 Connecting the Font Menu in Interface Builder 3 (HTML)
First Version
 First Version Text & Fonts
2008-02-27 Disabling text completion in an NSTextField (HTML)
First Version
 First Version Text & Fonts
2008-03-25 Drawing attributed strings that are both filled and stroked (HTML)
First Version
 First Version Text & Fonts
2008-01-21 Connecting the Font Menu in Interface Builder 3 (HTML)
First Version
 First Version Tools
2007-09-10 Adding and removing a submenu from a menu in Cocoa (HTML)
Editorial corrections.
 Minor Change User Experience
2008-01-21 Connecting the Font Menu in Interface Builder 3 (HTML)
First Version
 First Version User Experience
2008-02-27 Disabling text completion in an NSTextField (HTML)
First Version
 First Version User Experience
2008-01-21 Enabling the application menu's "Preferences" menu item on Mac OS X (HTML)
First Version
 First Version User Experience
2008-02-27 NSDate - Natural language date parsing in early Leopard releases (HTML)
First Version
 First Version User Experience
2008-02-08 Re-enabling dragging from NSTableView to other applications (HTML) (日本語 HTML)
Updated for resolution of issue in Mac OS X 10.4.
 Minor Change User Experience
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version User Experience
2008-03-11 Suppressing the "unexpectedly quit" alert (HTML)
Updated content for Mac OS X 10.4 and 10.5. Fixed a typographical error. "~Library/Preferences/com.apple.CrashReporter.plist" should be "~/Library/Preferences/com.apple.CrashReporter.plist."
 Minor Change User Experience