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.
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Topic
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Apple Applications
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Carbon
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 Carbon
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Carbon
2008-04-24 Using QTPixelBufferContextCreate with NewMovieFromProperties (HTML)
Editorial
 Minor Change Carbon
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Cocoa
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 Cocoa
2008-03-25 Drawing attributed strings that are both filled and stroked (HTML)
First Version
 First Version Cocoa
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Cocoa
2008-05-19 QTKit Capture - Disabling Audio Or Video When Capturing From a Muxed Device (HTML)
First Version
 First Version Cocoa
2008-04-24 Using QTPixelBufferContextCreate with NewMovieFromProperties (HTML)
Editorial
 Minor Change Cocoa
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Core Foundation
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Core Foundation
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Darwin
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 Darwin
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Darwin
2008-03-25 Supported KPIs (HTML)
First Version
 First Version Darwin
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Enterprise IT
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Games
2008-04-24 Using QTPixelBufferContextCreate with NewMovieFromProperties (HTML)
Editorial
 Minor Change Graphics & Imaging
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Hardware & Drivers
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Internet & Web
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Java
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Mac OS X Server
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Networking
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Networking
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Open Source
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Printing
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Printing
2008-05-19 Creating Apple TV Media Files Containing Dolby Digital Professional AC-3 Audio (HTML)
Editorial
 Minor Change QuickTime
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change QuickTime
2008-04-24 How can I find out what non-RGB pixel formats a codec supports? (HTML) (日本語 HTML)
Editorial
 Minor Change QuickTime
2008-03-27 How to get a native QuickTime movie object from the QuickTime ActiveX/COM control (HTML)
First Version
 First Version QuickTime
2008-05-19 QTKit Capture - Disabling Audio Or Video When Capturing From a Muxed Device (HTML)
First Version
 First Version QuickTime
2008-04-24 Using QTPixelBufferContextCreate with NewMovieFromProperties (HTML)
Editorial
 Minor Change QuickTime
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Security
2008-03-25 Drawing attributed strings that are both filled and stroked (HTML)
First Version
 First Version Text & Fonts