Welcome to the Technical Q&A page for developers. Technical Q&As provide you with the latest information on new Apple technologies as well as programming tips, code snippets and FAQs by Apple's technical support engineers.

Q&As by Category
Alphabetical categories for Apple Q&As are listed below:

Mac OS

• Color
• Communications
• Cross-Platform
• Devices
  • General
  • USB
• Files
• Hardware
• Help Systems
• Human Interface Toolbox
• Interapplication Communication
• Memory
• Networking
• OS Utilities
• Overviews
• Platforms & Tools
• Printing
• Processes
• QuickDraw
• QuickDraw 3D
• QuickTime-Related Technologies
  • QuickTime Components
  • QuickTime Image Compression Manager
  • QuickTime Movie Resource Formats
  • QuickTime Movie Toolbox
  • QuickTime Music Architecture
  • QuickTime Performance & Compatibility
  • QuickTime VR
  • QuickTime Windows
• Runtime
• Sound
• System Releases
• Text
  

• AOCE: Apple Open Collaboration Environment
• Apple Media Tool
• QuickDraw GX
  • QuickDraw GX New Changes
  • QuickDraw GX Graphics
  • QuickDraw GX Printing
  • QuickDraw GX Typography
• QuickTime Conferencing

Networking Using Legacy Ethernet Driver Processes on a Power Macintosh G3 Accessing the ARA/PPP password (updated)

Hardware Booting after invoking the Open Firmware user interface Difference between using Restart or Shut Down in the Finder's Special menu in Open Firmware Difference between an Open Firmware word and method Invoking the Open Firmware user interface Are interrupts enabled while Open Firmware is running? Do PowerBooks have a PCI bus? PCI bus on the iMac Is there a relationship between the device tree and the Name Registry? Changing the configuration variable in Open Firmware How does Open Firmware generate the name property? What are configuration variables in Open Firmware? Switching between one and two machine mode for the Open Firmware user interface What is meant by 1 machine mode verses 2 machine mode with respect to Open Firmware? What are snag keys in Open Firmware? What are generic names in Open Firmware? What are NewWorld and Open Firmware version 3? Differences between iMac models.

In addition to our recent Q&As, other technical resources are available on Apple's Developer site:

Technical Notes
Technical Notes provide you with the latest information and programming tips from Apple's developer technical support engineers.

Technical Publications
Apple's Technical Publications group produces information resources for programmers and innovators who are developing with Apple technology. Inside Macintosh volumes can be found on the Technical Publications site. An archive of develop magazine is also available.

Sample Code
Sample code provides you with coding samples for Apple technologies from Apple's technical support engineers.