Sort by
Title |
Sorted by
Topic |
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Date |
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Crash in ABAddPropertiesAndTypes
(HTML)
QA1404: How to correctly add custom Address Book properties using ABAddPropertiesAndTypes
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Apple Applications |
2005-04-04
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CoreAudio Overload Warnings
(HTML)
QA1467: Describes CoreAudio overload warnings what they mean and how to avoid them.
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Audio |
2006-03-29
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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
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Audio |
2006-03-29
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BOM characters in 'utxt' clipboard flavor
(HTML)
( )
QA1221: Explains the use of the BOM character in 'utxt' scrap data
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Data Management |
2003-01-20
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CFXML to CFPropertyListRef (and back!)
(HTML)
()
QA1208: Describes to how save and restore a CFPropertyListRef to and from an XML file.
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Data Management |
2003-08-29
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Setting environment variables for user processes
(HTML)
QA1067: Tells how to set environment variables for user processes.
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Data Management |
2001-10-25
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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
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CFBundleIdentifier and user application access
(HTML)
QA1373: Describes the role of CFBundleIdentifier in limiting a user's application access.
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Design Guidelines |
2005-02-08
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Common mistakes with delegation in Cocoa
(HTML)
QA1554: The two most common errors that lead to a delegate method not being received.
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Design Guidelines |
2008-02-27
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Connecting the Font Menu in Interface Builder 3
(HTML)
QA1571: How to connect and configure the Font/Format menus in Interface Builder 3.
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Design Guidelines |
2008-01-21
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Detecting specific ROM-in-RAM Mac
(HTML)
()
Deprecated - HW49: Identifying a Mac by name ("iMac"), and better alternatives for determining specific features ("has Firewire").
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Design Guidelines |
1999-10-05
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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.
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Events & Other Input |
2001-10-30
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Detecting the Caps Lock Key
(HTML)
QA1519: Explains how to detect when the caps lock key is turned on and off.
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Events & Other Input |
2007-05-11
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Driving OpenGL Rendering Loops
(HTML)
QA1385: Using Core Video display links (CVDisplayLink) or Cocoa timers (NSTimer) to drive an OpenGL rendering loop
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Events & Other Input |
2009-05-01
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Power Management; Policy Maker vs. Power Controller
(HTML)
()
QA1121: Describes the differences between a Power Management Policy Maker and a Power Management Power Controller.
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Events & Other Input |
2002-02-13
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Programmatically causing restart, shutdown and/or logout
(HTML)
()
QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout.
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Events & Other Input |
2008-09-24
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Why aren't my tracking rects working?
(HTML)
QA1355: Describes a common mistake in setting up cursor-tracking rectangles.
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Events & Other Input |
2004-12-02
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Avoiding the -42 error with DiscRecording
(HTML)
QA1292: Explains how to workaround the -42 error when using the DiscRecording API.
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File Management |
2004-05-25
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Expanding Tilde-based paths
(HTML)
QA1549: Demonstrates how to resolve tilde-based relevant paths.
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File Management |
2008-09-08
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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.
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File Management |
2003-03-26
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NSOpenPanel - Choosing any file and ignoring packages
(HTML)
QA1468: Explains how to configure NSOpenPanel to filter only files and ignoring packages.
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File Management |
2007-01-25
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Sorting Like the Finder
(HTML)
QA1159: Shows how to sort strings like the Finder's list view.
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File Management |
2004-10-27
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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."
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File Management |
2003-10-23
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Using UTIs to Identify Image Files
(HTML)
QA1518: Explains how to use Uniform Type Identifiers to identify what files can be opened at images.
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File Management |
2007-05-11
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Weak Linking To Spotlight
(HTML)
QA1422: Describes a problem with weak linking to Spotlight (the Metadata framework), and its solution.
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File Management |
2005-06-03
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CGBitmapContextCreate Supported Color Spaces
(HTML)
QA1037: Lists the color space and alpha info combinations currently supported by CGBitmapContextCreate.
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Games |
2007-07-18
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Core Animation properties and Reference Counting
(HTML)
QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior.
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Games |
2008-11-24
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Driving OpenGL Rendering Loops
(HTML)
QA1385: Using Core Video display links (CVDisplayLink) or Cocoa timers (NSTimer) to drive an OpenGL rendering loop
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Games |
2009-05-01
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Getting the pixel data from a CGImage object
(HTML)
QA1509: Describes how to access the pixel data of a CGImage object
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Games |
2008-08-27
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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.
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Games |
2002-12-02
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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.
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Games |
2002-12-04
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Requirements for Quartz GL
(HTML)
QA1536: Describes the requirements for enabling Quartz GL.
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Games |
2008-08-08
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Setting environment variables for user processes
(HTML)
QA1067: Tells how to set environment variables for user processes.
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Games |
2001-10-25
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Animating the frame of a CALayer.
(HTML)
QA1620: Explains how the frame property of a layer interacts with animations.
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Graphics & Imaging |
2008-10-24
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CGBitmapContextCreate Supported Color Spaces
(HTML)
QA1037: Lists the color space and alpha info combinations currently supported by CGBitmapContextCreate.
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Graphics & Imaging |
2007-07-18
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CGContext Bounds
(HTML)
QA1048: Explains how to determine the bounds of a CGContext.
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Graphics & Imaging |
2001-07-02
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CGContextAddLineToPoint, CGContextAddCurveToPoint, et. al.
(HTML)
QA1049: Explains why the CGContextAddXYZ APIs don't draw anything immediately.
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Graphics & Imaging |
2001-07-02
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CGContextClosePath
(HTML)
QA1046: Explains when you should call CGContextClosePath.
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Graphics & Imaging |
2001-10-02
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CGImageRef contents are immutable
(HTML)
()
QA1276: Explains that CGImageRef contents are considered immutable once created.
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Graphics & Imaging |
2003-07-17
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Core Animation properties and Reference Counting
(HTML)
QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior.
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Graphics & Imaging |
2008-11-24
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Debugging Graphics with QuartzDebug
(HTML)
()
QA1236: Explains how to use QuartzDebug to debug graphics issues.
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Graphics & Imaging |
2006-01-12
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Drawing a Path Multiple Times
(HTML)
QA1047: Explains that path drawing operations consume the path.
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Graphics & Imaging |
2001-07-02
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Driving OpenGL Rendering Loops
(HTML)
QA1385: Using Core Video display links (CVDisplayLink) or Cocoa timers (NSTimer) to drive an OpenGL rendering loop
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Graphics & Imaging |
2009-05-01
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Finding an NSView's current magnification.
(HTML)
QA1346: How to discover the current magnification (zoom level) of any NSView.
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Graphics & Imaging |
2005-03-08
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Getting the pixel data from a CGImage object
(HTML)
QA1509: Describes how to access the pixel data of a CGImage object
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Graphics & Imaging |
2008-08-27
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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.
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Graphics & Imaging |
2005-06-01
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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.
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Graphics & Imaging |
2002-12-02
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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.
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Graphics & Imaging |
2004-10-11
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How do I get the hexadecimal value of an NSColor object?
(HTML)
QA1576: Describes how to convert an NSColor object to its Hexadecimal value.
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Graphics & Imaging |
2007-12-19
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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.
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Graphics & Imaging |
2002-12-04
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How to measure CG text
(HTML)
QA1051: Explains how to measure Core Graphics text.
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Graphics & Imaging |
2007-08-02
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Is ColorSync thread safe?
(HTML)
()
QA1261: Discusses ColorSync thread-safety issues.
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Graphics & Imaging |
2003-04-17
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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.
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Graphics & Imaging |
2004-12-03
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Quartz 2D Interpolation
(HTML)
()
QA1186: Explains how to control Quartz 2D's image interpolation.
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Graphics & Imaging |
2002-10-29
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Quartz 2D Thread Safety
(HTML)
()
QA1238: Explains the thread-safety issues for the Quartz 2D API.
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Graphics & Imaging |
2003-02-25
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Requirements for Quartz GL
(HTML)
QA1536: Describes the requirements for enabling Quartz GL.
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Graphics & Imaging |
2008-08-08
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Saving the current Core Graphics Path
(HTML)
QA1056: Explains that the Core Graphics save and restore GState APIs do not affect the path.
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Graphics & Imaging |
2001-10-02
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Setting the ColorSync profile for a NSBitmapImageRep object
(HTML)
QA1369: Setting the ColorSync profile for a NSBitmapImageRep object
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Graphics & Imaging |
2004-09-08
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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.
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Graphics & Imaging |
2004-01-29
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Turning Off Core Graphics Clipping
(HTML)
QA1050: Explains how to clear the clipping path for a CGContext.
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Graphics & Imaging |
2001-07-02
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Unexpected CG state changes
(HTML)
QA1045: Explains why the Core Graphics drawing state sometimes changes for no apparent reason.
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Graphics & Imaging |
2001-07-02
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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
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Graphics & Imaging |
2004-10-28
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Using UTIs to Identify Image Files
(HTML)
QA1518: Explains how to use Uniform Type Identifiers to identify what files can be opened at images.
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Graphics & Imaging |
2007-05-11
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BOM characters in 'utxt' clipboard flavor
(HTML)
()
QA1221: Explains the use of the BOM character in 'utxt' scrap data
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Interapplication Communication |
2003-01-20
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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.
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Interapplication Communication |
2003-09-15
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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.
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Interapplication Communication |
2003-09-15
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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.
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Interapplication Communication |
2005-02-08
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Re-enabling dragging from NSTableView to other applications
(HTML)
()
QA1220: Explains how to re-enable drag-and-drop from NSTableViews to other applications
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Interapplication Communication |
2008-02-08
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Sending an Email
(HTML)
QA1084: Shows how to create an email in the user's prefered email application.
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Interapplication Communication |
2004-11-05
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Converting to Precomposed Unicode
(HTML)
()
QA1235: Describes how to convert a string to precomposed Unicode.
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Internationalization |
2003-02-07
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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.
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Internationalization |
2006-12-19
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Obtaining the localized application name in Cocoa
(HTML)
QA1544: Describes how to obtain several versions of the application name in Cocoa.
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Internationalization |
2007-09-21
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Availability of Quartz Composer Patches in Web Kit
(HTML)
QA1505: Details which Quartz Composer patches are available in Web Kit
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Internet & Web |
2007-03-05
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Debugging a WebKit Plug-in in Xcode
(HTML)
QA1500: Directions for debugging a WebKit plug-in in Xcode.
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Internet & Web |
2007-06-05
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Getting a Packet Trace
(HTML)
()
QA1176: Lists tools available for looking at the network packets on the wire.
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Internet & Web |
2008-06-03
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Sending an Email
(HTML)
QA1084: Shows how to create an email in the user's prefered email application.
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Internet & Web |
2004-11-05
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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
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Allocate and Disk Full Error
(HTML)
()
FL12: Discusses a problem with AFP volumes displaying incorrect free space, and returning disk full errors.
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Networking |
1999-07-21
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Bonjour and wake from sleep
(HTML)
QA1290: Explains why applications that use Bonjour should stay registered and continue browsing on sleep.
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Networking |
2003-09-18
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Bonjour enforces the service type format in Panther
(HTML)
QA1198: Explains why registering a Bonjour service might fail on Panther.
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Networking |
2004-03-23
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Bonjour enforces the TXT record format in Panther
(HTML)
QA1306: Explains how mDNSResponder enforces the proper TXT record format in Panther.
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Networking |
2004-07-14
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Bonjour Printer Subtype for HTTP
(HTML)
QA1555: Describes how printer vendors can register their bonjour service such that Safari can see them.
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Networking |
2008-03-25
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Bonjour TXT record rate limiting in Panther
(HTML)
QA1293: Explains how mDNSResponder implements TXT record rate limiting in Panther.
|
Networking |
2003-10-23
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Changing the TCP Window Size
(HTML)
NW47: Describes how to change the TCP window size in Open Transport.
|
Networking |
1997-03-14
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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
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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
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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
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Getting a Packet Trace
(HTML)
()
QA1176: Lists tools available for looking at the network packets on the wire.
|
Networking |
2008-06-03
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PPPoE Server for Testing
(HTML)
()
QA1252: Describes how to configure Mac OS X as a PPPoE server for testing purposes.
|
Networking |
2003-04-11
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Problems getting Bonjour TXT record information
(HTML)
QA1389: Explains why you might have problems retrieving TXT record information from a CFNetServiceRef or NSNetService.
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Networking |
2005-07-06
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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.
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Networking |
2005-01-10
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Sending an Email
(HTML)
QA1084: Shows how to create an email in the user's prefered email application.
|
Networking |
2004-11-05
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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.
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Networking |
1996-10-25
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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.
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Networking |
2004-07-14
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Use the Computer Name when registering your Bonjour service
(HTML)
QA1228: Explains why you should use the Computer Name when advertising a Bonjour service.
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Networking |
2004-03-05
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Building Objective-C static libraries with categories
(HTML)
QA1490: Describes how to properly build Objective-C static libraries that contain categories on existing classes.
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Objective-C Language |
2006-10-03
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Common mistakes with delegation in Cocoa
(HTML)
QA1554: The two most common errors that lead to a delegate method not being received.
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Objective-C Language |
2008-02-27
|
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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
|
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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.
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Objective-C Language |
2008-09-08
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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
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