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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2008-01-04 AGL Changes for Mac OS X Leopard (v. 10.5) (HTML)
First Version
 First Version Games, Graphics & Imaging
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Networking
2008-02-20 Customizing Process Stack Size (HTML)
Updated NSThread section for Leopard.
 Minor Change Process Management, Resource 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
2007-09-24 Expanding Tilde-based paths (HTML)
First Version
 First Version File Management
2008-03-11 How to work around HIMovieViewCreate failing (HTML)
Editorial
 Minor Change QuickTime
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, Process Management, Resource Management
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version Games, Graphics & Imaging, Performance, 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
2008-04-24 Using QTPixelBufferContextCreate with NewMovieFromProperties (HTML)
Editorial
 Minor Change QuickTime