Sort by Title | 
Sorted by Topic | 
Sort by Date | 
| 
Crash in ABAddPropertiesAndTypes
(HTML)
 QA1404: How to correctly add custom Address Book properties using ABAddPropertiesAndTypes 
 | 
Apple Applications | 
2005-04-04
 | 
| 
CoreAudio Overload Warnings
(HTML)
 QA1467: Describes CoreAudio overload warnings what they mean and how to avoid them. 
 | 
Audio | 
2006-03-29
 | 
| 
Using NSSound with CoreAudio on Mac OS 10.3.x
(HTML)
 QA1394: Workaround the NULL input buffers in a Core Audio IOProc callback when using NSSound by using AudioDeviceAddIOProc 
 | 
Audio | 
2006-03-29
 | 
BOM characters in 'utxt' clipboard flavor
(HTML)
( )
QA1221: Explains the use of the BOM character in 'utxt' scrap data 
 | 
Data Management | 
2003-01-20
 | 
CFXML to CFPropertyListRef (and back!)
(HTML)
( )
QA1208: Describes to how save and restore a CFPropertyListRef to and from an XML file. 
 | 
Data Management | 
2003-08-29
 | 
| 
Setting environment variables for user processes
(HTML)
 QA1067: Tells how to set environment variables for user processes. 
 | 
Data Management | 
2001-10-25
 | 
Why does -stringByTrimmingCharactersInSet: give me an empty string result when it shouldn't?
(HTML)
( )
QA1202: Why -stringByTrimmingCharactersInSet: sometimes returns an empty string result in Mac OS X 10.2.x when it shouldn't. 
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Data Management | 
2002-10-15
 | 
| 
CFBundleIdentifier and user application access
(HTML)
 QA1373: Describes the role of CFBundleIdentifier in limiting a user's application access. 
 | 
Design Guidelines | 
2005-02-08
 | 
| 
Common mistakes with delegation in Cocoa
(HTML)
 QA1554: The two most common errors that lead to a delegate method not being received. 
 | 
Design Guidelines | 
2008-02-27
 | 
| 
Connecting the Font Menu in Interface Builder 3
(HTML)
 QA1571: How to connect and configure the Font/Format menus in Interface Builder 3. 
 | 
Design Guidelines | 
2008-01-21
 | 
Detecting specific ROM-in-RAM Mac
(HTML)
( )
Deprecated - HW49: Identifying a Mac by name ("iMac"), and better alternatives for determining specific features ("has Firewire"). 
 | 
Design Guidelines | 
1999-10-05
 | 
| 
Background-only apps with NSStatusItems become active in 10.1 on NSStatusItem clicks
(HTML)
 QA1081: Preventing background-only apps from activating when their NSStatusItem(s) are clicked in Mac OS X 10.1. 
 | 
Events & Other Input | 
2001-10-30
 | 
| 
Detecting the Caps Lock Key
(HTML)
 QA1519: Explains how to detect when the caps lock key is turned on and off. 
 | 
Events & Other Input | 
2007-05-11
 | 
| 
Driving OpenGL Rendering Loops
(HTML)
 QA1385: Using Core Video display links (CVDisplayLink) or Cocoa timers (NSTimer) to drive an OpenGL rendering loop 
 | 
Events & Other Input | 
2009-05-01
 | 
Power Management; Policy Maker vs. Power Controller
(HTML)
( )
QA1121: Describes the differences between a Power Management Policy Maker and a Power Management Power Controller. 
 | 
Events & Other Input | 
2002-02-13
 | 
Programmatically causing restart, shutdown and/or logout
(HTML)
( )
QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout. 
 | 
Events & Other Input | 
2008-09-24
 | 
| 
Why aren't my tracking rects working?
(HTML)
 QA1355: Describes a common mistake in setting up cursor-tracking rectangles. 
 | 
Events & Other Input | 
2004-12-02
 | 
| 
Avoiding the -42 error with DiscRecording
(HTML)
 QA1292: Explains how to workaround the -42 error when using the DiscRecording API. 
 | 
File Management | 
2004-05-25
 | 
| 
Expanding Tilde-based paths
(HTML)
 QA1549: Demonstrates how to resolve tilde-based relevant paths. 
 | 
File Management | 
2008-09-08
 | 
FSSetCatalogInfo versus UID and GID
(HTML)
( )
QA1251: Describes why FSSetCatalogInfo does not set the UID and GID of the file, and provides a work around. 
 | 
File Management | 
2003-03-26
 | 
| 
NSOpenPanel - Choosing any file and ignoring packages
(HTML)
 QA1468: Explains how to configure NSOpenPanel to filter only files and ignoring packages. 
 | 
File Management | 
2007-01-25
 | 
| 
Sorting Like the Finder
(HTML)
 QA1159: Shows how to sort strings like the Finder's list view. 
 | 
File Management | 
2004-10-27
 | 
| 
Third party VFS can't unmount on Mac OS X 10.3
(HTML)
 QA1308: Describes changes in unmounting behavior for VFS plug-ins under Mac OS X 10.3 "Panther." 
 | 
File Management | 
2003-10-23
 | 
| 
Using UTIs to Identify Image Files
(HTML)
 QA1518: Explains how to use Uniform Type Identifiers to identify what files can be opened at images. 
 | 
File Management | 
2007-05-11
 | 
| 
Weak Linking To Spotlight
(HTML)
 QA1422: Describes a problem with weak linking to Spotlight (the Metadata framework), and its solution. 
 | 
File Management | 
2005-06-03
 | 
| 
CGBitmapContextCreate Supported Color Spaces
(HTML)
 QA1037: Lists the color space and alpha info combinations currently supported by CGBitmapContextCreate. 
 | 
Games | 
2007-07-18
 | 
| 
Core Animation properties and Reference Counting
(HTML)
 QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior. 
 | 
Games | 
2008-11-24
 | 
| 
Driving OpenGL Rendering Loops
(HTML)
 QA1385: Using Core Video display links (CVDisplayLink) or Cocoa timers (NSTimer) to drive an OpenGL rendering loop 
 | 
Games | 
2009-05-01
 | 
| 
Getting the pixel data from a CGImage object
(HTML)
 QA1509: Describes how to access the pixel data of a CGImage object 
 | 
Games | 
2008-08-27
 | 
How can I programmatically determine the DPI of the current video mode?
(HTML)
( )
QA1217: Describes how to compute the DPI for a given display in a given mode using Core Graphics. 
 | 
Games | 
2002-12-02
 | 
How do I tell if a particular display is being hardware accelerated by Quartz Extreme?
(HTML)
( )
QA1218: Describes how to use CGDisplayUsesOpenGLAcceleration to see if a display is accelerated or not. 
 | 
Games | 
2002-12-04
 | 
| 
Requirements for Quartz GL
(HTML)
 QA1536: Describes the requirements for enabling Quartz GL. 
 | 
Games | 
2008-08-08
 | 
| 
Setting environment variables for user processes
(HTML)
 QA1067: Tells how to set environment variables for user processes. 
 | 
Games | 
2001-10-25
 | 
| 
Animating the frame of a CALayer.
(HTML)
 QA1620: Explains how the frame property of a layer interacts with animations. 
 | 
Graphics & Imaging | 
2008-10-24
 | 
| 
CGBitmapContextCreate Supported Color Spaces
(HTML)
 QA1037: Lists the color space and alpha info combinations currently supported by CGBitmapContextCreate. 
 | 
Graphics & Imaging | 
2007-07-18
 | 
| 
CGContext Bounds
(HTML)
 QA1048: Explains how to determine the bounds of a CGContext. 
 | 
Graphics & Imaging | 
2001-07-02
 | 
| 
CGContextAddLineToPoint, CGContextAddCurveToPoint, et. al.
(HTML)
 QA1049: Explains why the CGContextAddXYZ APIs don't draw anything immediately. 
 | 
Graphics & Imaging | 
2001-07-02
 | 
| 
CGContextClosePath
(HTML)
 QA1046: Explains when you should call CGContextClosePath. 
 | 
Graphics & Imaging | 
2001-10-02
 | 
CGImageRef contents are immutable
(HTML)
( )
QA1276: Explains that CGImageRef contents are considered immutable once created. 
 | 
Graphics & Imaging | 
2003-07-17
 | 
| 
Core Animation properties and Reference Counting
(HTML)
 QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior. 
 | 
Graphics & Imaging | 
2008-11-24
 | 
Debugging Graphics with QuartzDebug
(HTML)
( )
QA1236: Explains how to use QuartzDebug to debug graphics issues. 
 | 
Graphics & Imaging | 
2006-01-12
 | 
| 
Drawing a Path Multiple Times
(HTML)
 QA1047: Explains that path drawing operations consume the path. 
 | 
Graphics & Imaging | 
2001-07-02
 | 
| 
Driving OpenGL Rendering Loops
(HTML)
 QA1385: Using Core Video display links (CVDisplayLink) or Cocoa timers (NSTimer) to drive an OpenGL rendering loop 
 | 
Graphics & Imaging | 
2009-05-01
 | 
| 
Finding an NSView's current magnification.
(HTML)
 QA1346: How to discover the current magnification (zoom level) of any NSView. 
 | 
Graphics & Imaging | 
2005-03-08
 | 
| 
Getting the pixel data from a CGImage object
(HTML)
 QA1509: Describes how to access the pixel data of a CGImage object 
 | 
Graphics & Imaging | 
2008-08-27
 | 
| 
How can I optimize a Quartz Composer composition depending on the hardware it runs on?
(HTML)
 QA1433: Explains how to design compositions that adapt to the hardware limitations. 
 | 
Graphics & Imaging | 
2005-06-01
 | 
How can I programmatically determine the DPI of the current video mode?
(HTML)
( )
QA1217: Describes how to compute the DPI for a given display in a given mode using Core Graphics. 
 | 
Graphics & Imaging | 
2002-12-02
 | 
| 
How do I determine how much VRAM is available on my video card?
(HTML)
 QA1168: Using Core Graphics and IOKit to find the physical size of VRAM on installed hardware. 
 | 
Graphics & Imaging | 
2004-10-11
 | 
| 
How do I get the hexadecimal value of an NSColor object?
(HTML)
 QA1576: Describes how to convert an NSColor object to its Hexadecimal value. 
 | 
Graphics & Imaging | 
2007-12-19
 | 
How do I tell if a particular display is being hardware accelerated by Quartz Extreme?
(HTML)
( )
QA1218: Describes how to use CGDisplayUsesOpenGLAcceleration to see if a display is accelerated or not. 
 | 
Graphics & Imaging | 
2002-12-04
 | 
| 
How to measure CG text
(HTML)
 QA1051: Explains how to measure Core Graphics text. 
 | 
Graphics & Imaging | 
2007-08-02
 | 
Is ColorSync thread safe?
(HTML)
( )
QA1261: Discusses ColorSync thread-safety issues.  
 | 
Graphics & Imaging | 
2003-04-17
 | 
| 
NSOpenGLView redraw problems after a window is closed and re-opened.
(HTML)
 QA1353: Workaround for NSOpenGLView failure to draw after its window is closed and re-opened. 
 | 
Graphics & Imaging | 
2004-12-03
 | 
Quartz 2D Interpolation
(HTML)
( )
QA1186: Explains how to control Quartz 2D's image interpolation. 
 | 
Graphics & Imaging | 
2002-10-29
 | 
Quartz 2D Thread Safety
(HTML)
( )
QA1238: Explains the thread-safety issues for the Quartz 2D API. 
 | 
Graphics & Imaging | 
2003-02-25
 | 
| 
Requirements for Quartz GL
(HTML)
 QA1536: Describes the requirements for enabling Quartz GL. 
 | 
Graphics & Imaging | 
2008-08-08
 | 
| 
Saving the current Core Graphics Path
(HTML)
 QA1056: Explains that the Core Graphics save and restore GState APIs do not affect the path. 
 | 
Graphics & Imaging | 
2001-10-02
 | 
| 
Setting the ColorSync profile for a NSBitmapImageRep object
(HTML)
 QA1369: Setting the ColorSync profile for a NSBitmapImageRep object 
 | 
Graphics & Imaging | 
2004-09-08
 | 
Shearing a Coordinate Space with NSAffineTransform
(HTML)
( )
QA1332: Describes a simple way to shear coordinate spaces by adding a few methods to the NSAffineTransform class. 
 | 
Graphics & Imaging | 
2004-01-29
 | 
| 
Turning Off Core Graphics Clipping
(HTML)
 QA1050: Explains how to clear the clipping path for a CGContext. 
 | 
Graphics & Imaging | 
2001-07-02
 | 
| 
Unexpected CG state changes
(HTML)
 QA1045: Explains why the Core Graphics drawing state sometimes changes for no apparent reason. 
 | 
Graphics & Imaging | 
2001-07-02
 | 
| 
Using Interface Builder's NSOpenGLView or Custom View objects for an OpenGL application
(HTML)
 QA1167: Describes usage cases for both NSOpenGLViews and Custom Views for Cocoa OpenGL applications 
 | 
Graphics & Imaging | 
2004-10-28
 | 
| 
Using UTIs to Identify Image Files
(HTML)
 QA1518: Explains how to use Uniform Type Identifiers to identify what files can be opened at images. 
 | 
Graphics & Imaging | 
2007-05-11
 | 
BOM characters in 'utxt' clipboard flavor
(HTML)
( )
QA1221: Explains the use of the BOM character in 'utxt' scrap data 
 | 
Interapplication Communication | 
2003-01-20
 | 
| 
How to add other pasteboard types to an HFS Promise drag in Cocoa
(HTML)
 QA1300: Explains how to add other pasteboard types to an HFS Promise drag in Cocoa. 
 | 
Interapplication Communication | 
2003-09-15
 | 
| 
How to set a custom drag image when doing an HFS Promise drag in Cocoa
(HTML)
 QA1200: Explains how to set a custom drag image when doing an HFS Promise drag in Cocoa. 
 | 
Interapplication Communication | 
2003-09-15
 | 
| 
Public UTIs supported by Mac OS X v10.3
(HTML)
 QA1406: Lists the public UTIs (Uniform Type Identifiers) used by the Pasteboard in Mac OS X v10.3. 
 | 
Interapplication Communication | 
2005-02-08
 | 
Re-enabling dragging from NSTableView to other applications
(HTML)
( )
QA1220: Explains how to re-enable drag-and-drop from NSTableViews to other applications 
 | 
Interapplication Communication | 
2008-02-08
 | 
| 
Sending an Email
(HTML)
 QA1084: Shows how to create an email in the user's prefered email application. 
 | 
Interapplication Communication | 
2004-11-05
 | 
Converting to Precomposed Unicode
(HTML)
( )
QA1235: Describes how to convert a string to precomposed Unicode. 
 | 
Internationalization | 
2003-02-07
 | 
| 
How can I determine the order of the languages set by the user in the Language tab of the International preference pane?
(HTML)
 QA1391: Retrieving the order of the languages set by the International preference pane in Cocoa, Carbon, and Terminal. 
 | 
Internationalization | 
2006-12-19
 | 
| 
Obtaining the localized application name in Cocoa
(HTML)
 QA1544: Describes how to obtain several versions of the application name in Cocoa. 
 | 
Internationalization | 
2007-09-21
 | 
| 
Availability of Quartz Composer Patches in Web Kit
(HTML)
 QA1505: Details which Quartz Composer patches are available in Web Kit 
 | 
Internet & Web | 
2007-03-05
 | 
| 
Debugging a WebKit Plug-in in Xcode
(HTML)
 QA1500: Directions for debugging a WebKit plug-in in Xcode. 
 | 
Internet & Web | 
2007-06-05
 | 
Getting a Packet Trace
(HTML)
( )
QA1176: Lists tools available for looking at the network packets on the wire. 
 | 
Internet & Web | 
2008-06-03
 | 
| 
Sending an Email
(HTML)
 QA1084: Shows how to create an email in the user's prefered email application. 
 | 
Internet & Web | 
2004-11-05
 | 
| 
Comparing selectors in Cocoa-Java code
(HTML)
 Deprecated - QA1069: Explains why Objective-C and Java selectors appear to be the same name but equality tests fail. 
 | 
Java | 
2001-08-31
 | 
Allocate and Disk Full Error
(HTML)
( )
FL12: Discusses a problem with AFP volumes displaying incorrect free space, and returning disk full errors. 
 | 
Networking | 
1999-07-21
 | 
| 
Bonjour and wake from sleep
(HTML)
 QA1290: Explains why applications that use Bonjour should stay registered and continue browsing on sleep. 
 | 
Networking | 
2003-09-18
 | 
| 
Bonjour enforces the service type format in Panther
(HTML)
 QA1198: Explains why registering a Bonjour service might fail on Panther. 
 | 
Networking | 
2004-03-23
 | 
| 
Bonjour enforces the TXT record format in Panther
(HTML)
 QA1306: Explains how mDNSResponder enforces the proper TXT record format in Panther. 
 | 
Networking | 
2004-07-14
 | 
| 
Bonjour Printer Subtype for HTTP
(HTML)
 QA1555: Describes how printer vendors can register their bonjour service such that Safari can see them. 
 | 
Networking | 
2008-03-25
 | 
| 
Bonjour TXT record rate limiting in Panther
(HTML)
 QA1293: Explains how mDNSResponder implements TXT record rate limiting in Panther. 
 | 
Networking | 
2003-10-23
 | 
| 
Changing the TCP Window Size
(HTML)
 NW47: Describes how to change the TCP window size in Open Transport. 
 | 
Networking | 
1997-03-14
 | 
| 
Discovering all advertised Bonjour service types
(HTML)
 QA1337: Explains how to discover all Bonjour service types being advertised on the local network. 
 | 
Networking | 
2004-06-01
 | 
| 
Don't forget to cancel your Bonjour resolve
(HTML)
 QA1297: Explains why it's important to cancel a Bonjour resolve operation. 
 | 
Networking | 
2007-08-30
 | 
| 
Downloading through a proxy server in Mac OS X
(HTML)
 QA1296: Explains when downloading through a proxy server will work, and when it will fail. 
 | 
Networking | 
2003-10-29
 | 
Getting a Packet Trace
(HTML)
( )
QA1176: Lists tools available for looking at the network packets on the wire. 
 | 
Networking | 
2008-06-03
 | 
PPPoE Server for Testing
(HTML)
( )
QA1252: Describes how to configure Mac OS X as a PPPoE server for testing purposes. 
 | 
Networking | 
2003-04-11
 | 
| 
Problems getting Bonjour TXT record information
(HTML)
 QA1389: Explains why you might have problems retrieving TXT record information from a CFNetServiceRef or NSNetService. 
 | 
Networking | 
2005-07-06
 | 
| 
Resolves may return an IPv6 address in Panther
(HTML)
 QA1298: Explains why you get an IP address of 0.0.0.0 when resolving a Bonjour service. 
 | 
Networking | 
2005-01-10
 | 
| 
Sending an Email
(HTML)
 QA1084: Shows how to create an email in the user's prefered email application. 
 | 
Networking | 
2004-11-05
 | 
T_DATA_REQ vs M_DATA TPI Message Blocks
(HTML)
( )
NW42: Explains why OT passes data to a TPI module using M_DATA message blocks instead of M_PROTO+T_DATA_REQ. 
 | 
Networking | 
1996-10-25
 | 
| 
Updating the TXT record of a Bonjour service
(HTML)
 QA1302: Explains how to update a Bonjour TXT record while running on either Jaguar or Panther. 
 | 
Networking | 
2004-07-14
 | 
| 
Use the Computer Name when registering your Bonjour service
(HTML)
 QA1228: Explains why you should use the Computer Name when advertising a Bonjour service. 
 | 
Networking | 
2004-03-05
 | 
| 
Building Objective-C static libraries with categories
(HTML)
 QA1490: Describes how to properly build Objective-C static libraries that contain categories on existing classes. 
 | 
Objective-C Language | 
2006-10-03
 | 
| 
Common mistakes with delegation in Cocoa
(HTML)
 QA1554: The two most common errors that lead to a delegate method not being received. 
 | 
Objective-C Language | 
2008-02-27
 | 
| 
Core Animation properties and Reference Counting
(HTML)
 QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior. 
 | 
Objective-C Language | 
2008-11-24
 | 
| 
Determining if an application uses Objective-C Garbage Collection
(HTML)
 QA1599: Shows how to determine if an application or executable is using Objective-C Garbage Collection. 
 | 
Objective-C Language | 
2008-09-08
 | 
| 
How do I get the hexadecimal value of an NSColor object?
(HTML)
 QA1576: Describes how to convert an NSColor object to its Hexadecimal value. 
 | 
Objective-C Language | 
2007-12-19
 | 
| 
Variable arguments in Objective-C methods
(HTML)
 QA1405: How to implement methods which take a variable number of arguments. 
 | 
Objective-C Language | 
2005-01-13
 | 
Disabling Processor Cores on a Multi-Core System
(HTML)
( )
QA1141: Describes how to disable processor cores on a multi-core system for testing purposes. 
 | 
Performance | 
2008-09-16
 | 
How do I tell if a particular display is being hardware accelerated by Quartz Extreme?
(HTML)
( )
QA1218: Describes how to use CGDisplayUsesOpenGLAcceleration to see if a display is accelerated or not. 
 | 
Performance | 
2002-12-04
 | 
Quartz 2D Thread Safety
(HTML)
( )
QA1238: Explains the thread-safety issues for the Quartz 2D API. 
 | 
Performance | 
2003-02-25
 | 
| 
Requirements for Quartz GL
(HTML)
 QA1536: Describes the requirements for enabling Quartz GL. 
 | 
Performance | 
2008-08-08
 | 
| 
Setting environment variables for user processes
(HTML)
 QA1067: Tells how to set environment variables for user processes. 
 | 
Porting | 
2001-10-25
 | 
| 
CGContext Bounds
(HTML)
 QA1048: Explains how to determine the bounds of a CGContext. 
 | 
Printing | 
2001-07-02
 | 
| 
CGContextAddLineToPoint, CGContextAddCurveToPoint, et. al.
(HTML)
 QA1049: Explains why the CGContextAddXYZ APIs don't draw anything immediately. 
 | 
Printing | 
2001-07-02
 | 
| 
CGContextClosePath
(HTML)
 QA1046: Explains when you should call CGContextClosePath. 
 | 
Printing | 
2001-10-02
 | 
| 
Drawing a Path Multiple Times
(HTML)
 QA1047: Explains that path drawing operations consume the path. 
 | 
Printing | 
2001-07-02
 | 
| 
Gathering all PostScript Printer Descriptions (PPDs)
(HTML)
 QA1529: Describes a work around for an issue in PMCopyAvailablePPDs on Mac OS X 10.4 and below 
 | 
Printing | 
2008-08-08
 | 
| 
How to measure CG text
(HTML)
 QA1051: Explains how to measure Core Graphics text. 
 | 
Printing | 
2007-08-02
 | 
Quartz 2D Interpolation
(HTML)
( )
QA1186: Explains how to control Quartz 2D's image interpolation. 
 | 
Printing | 
2002-10-29
 | 
Quartz 2D Thread Safety
(HTML)
( )
QA1238: Explains the thread-safety issues for the Quartz 2D API. 
 | 
Printing | 
2003-02-25
 | 
| 
Saving the current Core Graphics Path
(HTML)
 QA1056: Explains that the Core Graphics save and restore GState APIs do not affect the path. 
 | 
Printing | 
2001-10-02
 | 
| 
Turning Off Core Graphics Clipping
(HTML)
 QA1050: Explains how to clear the clipping path for a CGContext. 
 | 
Printing | 
2001-07-02
 | 
| 
Unexpected CG state changes
(HTML)
 QA1045: Explains why the Core Graphics drawing state sometimes changes for no apparent reason. 
 | 
Printing | 
2001-07-02
 | 
| 
Customizing Process Stack Size
(HTML)
 QA1419: Describes methods for setting the stack size of a process and/or thread. 
 | 
Process Management | 
2008-02-20
 | 
| 
Determining console user login status
(HTML)
 QA1133: How to determine whether a user is logged in on the console, and be notified of changes. 
 | 
Process Management | 
2008-04-14
 | 
Programmatically causing restart, shutdown and/or logout
(HTML)
( )
QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout. 
 | 
Process Management | 
2008-09-24
 | 
| 
Graphics Exporters - Creating 16-bit-per-channel image files
(HTML)
 QA1354: Discusses how to use QuickTime Graphics Exporters to create 16-bit-per-channel image files. 
 | 
QuickTime | 
2004-06-03
 | 
| 
MovieAudioExtraction - Ensure a Movie is fully loaded before starting an extraction session
(HTML)
 QA1469: Describes the importance of making sure a Movie is fully loaded before extracting audio. 
 | 
QuickTime | 
2006-03-29
 | 
| 
Movies - Saving movie playback hints
(HTML)
 QA1366: Explains how to save and load media play hints from Movie files. 
 | 
QuickTime | 
2004-09-14
 | 
| 
QTKit Capture - Disabling Audio Or Video When Capturing From a Muxed Device
(HTML)
 QA1607: Describes the use of the setEnabled: method to disable audio or video capture from muxed devices. 
 | 
QuickTime | 
2008-05-19
 | 
| 
QTKit Capture - Disabling specific audio channels when recording
(HTML)
 QA1617: Describes how to disable specific audio channels when recording using QTKit Capture. 
 | 
QuickTime | 
2008-10-13
 | 
| 
QTKit Capture - Extracting SMPTE Timecode information from a QTSampleBuffer
(HTML)
 QA1600: Describes how to use the QTSampleBufferSMPTETimeAttribute with a sample buffer. 
 | 
QuickTime | 
2008-03-17
 | 
| 
QTKit Capture - Video Compression Options And Preview
(HTML)
 QA1583: Describes how video compression options may influence the resolution of previewed video. 
 | 
QuickTime | 
2008-09-16
 | 
| 
QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs
(HTML)
 QA1459: Describes how to perform frequency band level metering using MovieAudio metering APIs. 
 | 
QuickTime | 
2009-01-29
 | 
| 
Using QTPixelBufferContextCreate with NewMovieFromProperties
(HTML)
 QA1443: Discusses using a QuickTime pixel buffer visual context and NewMovieFromProperties to output frames to pixel buffers. 
 | 
QuickTime | 
2008-08-08
 | 
| 
Core Animation properties and Reference Counting
(HTML)
 QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior. 
 | 
Resource Management | 
2008-11-24
 | 
| 
Customizing Process Stack Size
(HTML)
 QA1419: Describes methods for setting the stack size of a process and/or thread. 
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Resource Management | 
2008-02-20
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| 
Finding EXC_BAD_ACCESS bugs in a Cocoa project
(HTML)
 QA1367: Discusses how to find memory protection violations or EXC_BAD_ACCESS bugs in Cocoa projects. 
 | 
Resource Management | 
2006-10-10
 | 
| 
Obtaining the localized application name in Cocoa
(HTML)
 QA1544: Describes how to obtain several versions of the application name in Cocoa. 
 | 
Resource Management | 
2007-09-21
 | 
| 
Preventing sleep
(HTML)
 QA1160: Explains how your application can prevent the system from sleeping. 
 | 
Resource Management | 
2004-10-22
 | 
Programmatically causing restart, shutdown and/or logout
(HTML)
( )
QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout. 
 | 
Resource Management | 
2008-09-24
 | 
| 
Registering and unregistering for sleep and wake notifications
(HTML)
 QA1340: Explains how applications can register and unregister for sleep and wake notifications on Mac OS X. 
 | 
Resource Management | 
2008-08-08
 | 
Detecting specific ROM-in-RAM Mac
(HTML)
( )
Deprecated - HW49: Identifying a Mac by name ("iMac"), and better alternatives for determining specific features ("has Firewire"). 
 | 
Runtime Architecture | 
1999-10-05
 | 
| 
Environment Variables
(HTML)
 QA1255: Describes how a process gets its environment variables. 
 | 
Runtime Architecture | 
2003-10-29
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| 
Setting environment variables for user processes
(HTML)
 QA1067: Tells how to set environment variables for user processes. 
 | 
Runtime Architecture | 
2001-10-25
 | 
Static linking of user binaries on Mac OS X
(HTML)
( )
QA1118: Explains why static linking of user binaries is not supported on Mac OS X, and possible workarounds. 
 | 
Runtime Architecture | 
2002-02-07
 | 
| 
What is the "main bundle" of a command-line foundation tool?
(HTML)
 QA1436: Reveals the location of the main bundle of a command-line foundation tool. 
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Runtime Architecture | 
2006-10-10
 | 
| 
CFBundleIdentifier and user application access
(HTML)
 QA1373: Describes the role of CFBundleIdentifier in limiting a user's application access. 
 | 
Security | 
2005-02-08
 | 
| 
Programmatically Accessing and Manipulating Multiple Keychain Items
(HTML)
 QA1486: An explanation on what is and is not possible using the SecKeychain API to manipulate Keychain Items. 
 | 
Security | 
2006-10-03
 | 
| 
Security Framework Error Codes
(HTML)
 QA1499: Explains how to interpret errors returned by the Security Framework with an overview of Security error handling. 
 | 
Security | 
2006-11-16
 | 
| 
Connecting the Font Menu in Interface Builder 3
(HTML)
 QA1571: How to connect and configure the Font/Format menus in Interface Builder 3. 
 | 
Text & Fonts | 
2008-01-21
 | 
Converting to Precomposed Unicode
(HTML)
( )
QA1235: Describes how to convert a string to precomposed Unicode. 
 | 
Text & Fonts | 
2003-02-07
 | 
| 
Disabling and Enabling an NSTextView
(HTML)
 QA1461: Shows how a Cocoa application can disable and enable an NSTextView. 
 | 
Text & Fonts | 
2006-09-11
 | 
| 
Disabling text completion in an NSTextField
(HTML)
 QA1553: Shows how to implement a delegate method provided by NSControl to disable automatic text completion. 
 | 
Text & Fonts | 
2008-02-27
 | 
| 
Drawing attributed strings that are both filled and stroked
(HTML)
 QA1531: Describes how the value of NSStrokeWidthAttributeName indicates fill, stroke, or both, in attributed strings. 
 | 
Text & Fonts | 
2008-03-25
 | 
| 
Embedding Hyperlinks in NSTextField and NSTextView
(HTML)
 QA1487: Shows how a Cocoa app can embed a hyperlink inside both NSTextField and NSTextView using NSAttributedString. 
 | 
Text & Fonts | 
2006-10-02
 | 
| 
How to make NSTextField accept tab, return and enter keys.
(HTML)
 QA1454: Describes how to make the NSTextField control accept tab, return and enter keys by using the control's dispatch delegate method. 
 | 
Text & Fonts | 
2006-10-09
 | 
| 
Sorting Like the Finder
(HTML)
 QA1159: Shows how to sort strings like the Finder's list view. 
 | 
Text & Fonts | 
2004-10-27
 | 
| 
Connecting the Font Menu in Interface Builder 3
(HTML)
 QA1571: How to connect and configure the Font/Format menus in Interface Builder 3. 
 | 
Tools | 
2008-01-21
 | 
| 
Getting NSWindow's toolbar actions to show up in Interface Builder
(HTML)
 QA1030: How to add the missing -toggleToolbarShown: and -runToolbarCustomizationPalette actions to Interface Builder. 
 | 
Tools | 
2001-05-03
 | 
| 
Help Book Caching During Software Development
(HTML)
 QA1409: Development situations that can potentially confuse Help Viewer 
 | 
Tools | 
2005-03-30
 | 
| 
Including a custom NSWindow in a nib file
(HTML)
 QA1511: Shows how to create a custom NSWindow and instantiate it in a nib file. 
 | 
Tools | 
2007-03-21
 | 
| 
Setting environment variables for user processes
(HTML)
 QA1067: Tells how to set environment variables for user processes. 
 | 
Tools | 
2001-10-25
 | 
| 
Adding and removing a submenu from a menu in Cocoa
(HTML)
 QA1420: Explains how to dynamically add and remove menus in a Cocoa application. 
 | 
User Experience | 
2007-09-10
 | 
| 
Background-only apps with NSStatusItems become active in 10.1 on NSStatusItem clicks
(HTML)
 QA1081: Preventing background-only apps from activating when their NSStatusItem(s) are clicked in Mac OS X 10.1. 
 | 
User Experience | 
2001-10-30
 | 
| 
Configuring the Recent Searches menu for NSSearchField
(HTML)
 QA1496: Discusses the common problem when adding menu items to the Recent Searches menu. 
 | 
User Experience | 
2006-11-27
 | 
| 
Connecting the Font Menu in Interface Builder 3
(HTML)
 QA1571: How to connect and configure the Font/Format menus in Interface Builder 3. 
 | 
User Experience | 
2008-01-21
 | 
| 
Debugging NSTableView's "Action Invocation" binding
(HTML)
 QA1472: Discusses the issues and factors that affect NSTableView's "Action Invocation" binding. 
 | 
User Experience | 
2006-11-13
 | 
| 
Disabling and Enabling an NSTextView
(HTML)
 QA1461: Shows how a Cocoa application can disable and enable an NSTextView. 
 | 
User Experience | 
2006-09-11
 | 
| 
Disabling text completion in an NSTextField
(HTML)
 QA1553: Shows how to implement a delegate method provided by NSControl to disable automatic text completion. 
 | 
User Experience | 
2008-02-27
 | 
| 
Embedding Hyperlinks in NSTextField and NSTextView
(HTML)
 QA1487: Shows how a Cocoa app can embed a hyperlink inside both NSTextField and NSTextView using NSAttributedString. 
 | 
User Experience | 
2006-10-02
 | 
| 
Enabling the application menu's "Preferences" menu item on Mac OS X
(HTML)
 QA1552: Describes the two things you need to implement to enable the "Preferences" menu item on Mac OS X. 
 | 
User Experience | 
2008-01-21
 | 
| 
Finding an NSView's current magnification.
(HTML)
 QA1346: How to discover the current magnification (zoom level) of any NSView. 
 | 
User Experience | 
2005-03-08
 | 
| 
Getting NSWindow's toolbar actions to show up in Interface Builder
(HTML)
 QA1030: How to add the missing -toggleToolbarShown: and -runToolbarCustomizationPalette actions to Interface Builder. 
 | 
User Experience | 
2001-05-03
 | 
| 
How to create a Cocoa Disclosure Button Control
(HTML)
 QA1485: Explains how to create a disclosure button control in Cocoa, not immediately available in Interface Builder. 
 | 
User Experience | 
2006-08-01
 | 
| 
How to get custom views to show up in NSToolbarItems
(HTML)
 QA1029: Why custom views may not show up in an NSToolBarItem and how to make it visible. 
 | 
User Experience | 
2001-05-03
 | 
| 
How to make NSTextField accept tab, return and enter keys.
(HTML)
 QA1454: Describes how to make the NSTextField control accept tab, return and enter keys by using the control's dispatch delegate method. 
 | 
User Experience | 
2006-10-09
 | 
| 
How to remove the "Open Recent" menu item in a Document-based Cocoa application
(HTML)
 QA1289: Explains how to remove the "Open Recent" menu item in a Document-based Cocoa application. 
 | 
User Experience | 
2003-09-15
 | 
| 
How to set a custom drag image when doing an HFS Promise drag in Cocoa
(HTML)
 QA1200: Explains how to set a custom drag image when doing an HFS Promise drag in Cocoa. 
 | 
User Experience | 
2003-09-15
 | 
| 
NSDate - Natural language date parsing in early Leopard releases
(HTML)
 QA1581: Acknowledges a regression in +dateWithNaturalLanguageString: behavior of NSDate which is fixed as of 10.5.2. 
 | 
User Experience | 
2008-02-27
 | 
| 
NSOpenPanel - Choosing any file and ignoring packages
(HTML)
 QA1468: Explains how to configure NSOpenPanel to filter only files and ignoring packages. 
 | 
User Experience | 
2007-01-25
 | 
| 
NSProgressIndicator animation and redraw
(HTML)
 QA1473: Discusses why NSProgressIndicator does not redraw during progress loops. 
 | 
User Experience | 
2006-11-15
 | 
| 
Preventing column reordering in NSTableView
(HTML)
 QA1503: Demonstrates how to prevent column reordering of certain columns in NSTableView. 
 | 
User Experience | 
2007-01-24
 | 
Preventing crashes when using multiple disabled but editable NSComboBoxes
(HTML)
( )
QA1142: How to prevent a crash when using multiple disabled -- but editable --NSComboBoxes in a view. 
 | 
User Experience | 
2002-06-03
 | 
Re-enabling dragging from NSTableView to other applications
(HTML)
( )
QA1220: Explains how to re-enable drag-and-drop from NSTableViews to other applications 
 | 
User Experience | 
2008-02-08
 | 
| 
Requirements for Quartz GL
(HTML)
 QA1536: Describes the requirements for enabling Quartz GL. 
 | 
User Experience | 
2008-08-08
 | 
Solving NSTabView drawing problems in Mac OS X 10.1.x
(HTML)
( )
QA1117: Explains how to work around NSTabView draw problems in Mac OS X 10.1.x 
 | 
User Experience | 
2002-02-14
 | 
| 
Suppressing the "unexpectedly quit" alert
(HTML)
 QA1288: Describes how to suppress the "unexpectedly quit" alert. 
 | 
User Experience | 
2008-03-11
 | 
| 
Why aren't my tracking rects working?
(HTML)
 QA1355: Describes a common mistake in setting up cursor-tracking rectangles. 
 | 
User Experience | 
2004-12-02
 |