QA1249: Applications can find out if a codec supports non-RGB pixel formats.

QA1443: Discusses using a QuickTime pixel buffer visual context and NewMovieFromProperties to output frames to pixel buffers.

QA1133: How to determine whether a user is logged in on the console, and be notified of changes.

QA1594: Describes how to get a native QuickTime movie object from the QuickTime ActiveX/COM control

QA1555: Describes how printer vendors can register their bonjour service such that Safari can see them.

QA1531: Describes how the value of NSStrokeWidthAttributeName indicates fill, stroke, or both, in attributed strings.

QA1575: Describes how to check whether a kernel function is part of a supported KPI.

QA1600: Describes how to use the QTSampleBufferSMPTETimeAttribute with a sample buffer.

QA1598: Describes the endianness of the QuickTime Sample Description Structure and their extensions.

QA1417: Describes how to work around HIMovieViewCreate failing to initialize the view in QuickTime 7

QA1596: Discusses how QuickTime 7.4+ invokes Movie Import Components when specifically importing from files.

QA1586: Describes how to configure a file output object to save compressed captured media.

QA1288: Describes how to suppress the "unexpectedly quit" alert.

QA1580: A workaround for when a search that previously returned results generates no files found in Xcode

QA1582: Describes how to configure a DecompressedVideoOutput objects CVPixelBuffer attributes.

QA1554: The two most common errors that lead to a delegate method not being received.

QA1553: Shows how to implement a delegate method provided by NSControl to disable automatic text completion.

QA1581: Acknowledges a regression in +dateWithNaturalLanguageString: behavior of NSDate which is fixed as of 10.5.2.

QA1419: Describes methods for setting the stack size of a process and/or thread.

QA1220: Explains how to re-enable drag-and-drop from NSTableViews to other applications

QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout.

QA1571: How to connect and configure the Font/Format menus in Interface Builder 3.

QA1552: Describes the two things you need to implement to enable the "Preferences" menu item on Mac OS X.

QA1579: Discusses the kQTMovieImporterPropertyID_AllowMediaOptimization and kQTMovieInstantiationPropertyID_AllowMediaOptimization properties.

QA1578: Describes how to render Movie audio to a specific audio device.

QA1523: This Q&A describes the new and deprecated APIs for Apple OpenGL (AGL)

QA1574: Cautions that the kernel's MAC framework is currently not support.

QA1573: Describes techniques for debugging a process's startup code.

QA1576: Describes how to convert an NSColor object to its Hexadecimal value.

QA1536: Describes the requirements for enabling Quartz GL.

QA1494: Describes how to resolve an error encountered hosting Ruby on Rails applications on Mac OS X 10.5.

QA1492: Explains where to find Subversion and CVS for installation.

QA1567: Trying to compile X11 / OpenGL application on Mac OS X v.10.5 result on "ld: cycle in dylib re-exports with /usr/X11R6/lib/libGL.dylib""

QA1541: Describes how to work around common problems with descriptor passing.

QA1557: Discusses how to upgrade your ColorSync CMM to run on Mac OS X 10.5

QA1559: How to Continuously Loop Audio Files with QuickTime for Windows

QA1545: Discusses why iMovie '08 may ignore 3rd party QuickTime Components.

QA1556: Discusses the change made to the GetMovieAudioFrequencyLevels API with QuickTime 7.2.

QA1550: Describes how to configure a QuickTime OpenGL Texture Visual Context with the kQTVisualContextOutputColorSpaceKey attribute.

QA1549: Demonstrates how to resolve tilde-based relevant paths.

QA1544: Describes how to obtain several versions of the application name in Cocoa.

QA1542: Discusses how to create a display mask and avoid a kQTVisualContextNotAllowedErr when using a non-accelerated graphics card.

QA1547: Discusses the use of the kICMImageDescriptionPropertyID_FieldInfo property to retrieve Field/Frame information.

QA1420: Explains how to dynamically add and remove menus in a Cocoa application.

QA1297: Explains why it's important to cancel a Bonjour resolve operation.

QA1540: How to work with MPEG-2 media using QuickTime.

QA1539: How to create a QuickTime movie from PCM audio samples in memory

QA1532: Describes how to correctly signal AudioConverter when a conversion is completed.

QA1051: Explains how to measure Core Graphics text.

QA1262: Calculating the static video frame rate of a QuickTime movie.

QA1535: Capturing real-time movie streams

QTW100: Describes where to locate QuickTime extension files on Windows systems.

QA1037: Lists the color space and alpha info combinations currently supported by CGBitmapContextCreate.

QA1502: Using the NoRecovery pixel format attribute and how to check whether vertex and fragment processing is executed on the GPU or CPU

QA1529: Describes a work around for an issue in PMCopyAvailablePPDs on Mac OS X 10.4 and below

QA1533: Illustrates how to use the kAudioUnitProperty_MaximumFramesPerSlice property

QA1521: How to avoid tearing by synchronizing your rendering to the display VBL

QA1500: Directions for debugging a WebKit plug-in in Xcode.

QA1526: AU Lab only supports physical device singletons.

QA1519: Explains how to detect when the caps lock key is turned on and off.

QA1518: Explains how to use Uniform Type Identifiers to identify what files can be opened at images.

QA1407: Explains the difference between a printer queue and a printer name.

QA1347: This QA discusses use of the QuickTime AMR and AAC audio compressors on Macintosh and Windows

QA1520: Discusses the security enhancements and other changes contained in the QuickTime 7.1.5 Update.

QA1511: Shows how to create a custom NSWindow and instantiate it in a nib file.

QA1505: Details which Quartz Composer patches are available in Web Kit

QA1509: Describes how to access the pixel data of a CGImage object

QA1517: Describes how some ExpressCard cards can prevent system sleep and how to fix the problem.

QA1514: Illustrates configuring your Xcode project to work with the GCOV code coverage tool.

QA1508: How to add metadata to a movie using the QuickTime Metadata APIs

QA1512: Discusses the importance of adding 'pasp' and 'clap' image description extensions to the ImageDescription returned by a VDIG.

QA1513: Explains how to register a Bonjour service only on a specific set of networking interfaces.

QA1515: Adding metadata to a QuickTime movie using the QuickTime MetaData APIs

QA1504: ALUT headers were removed from OpenAL.framework with the Xcode 2.4. This Q&A describes how to regain access to those system-supplied symbols

QA1360: Explaining the semantics behind the kSecTrustResultUnspecified error returned by the Security APIs.

QA1493: Explains how to access files stored within an AppleScript Studio application.

QA1468: Explains how to configure NSOpenPanel to filter only files and ignoring packages.

QA1503: Demonstrates how to prevent column reordering of certain columns in NSTableView.

QA1501: Discusses how to determine all the pixel format types and format descriptions known to Core Video.

QA1284: Describes how to create install packages from the command line.

QA1498: Explains the undocumented 100022 return value from AuthorizationCreateFromExternalForm.

QA1242: Describes Apple's position on developing external file systems (VFS plug-ins) for Mac OS X.

QA1491: Describes how to make a volume from a third party VFS plug-in show up on the desktop.

QA1391: Retrieving the order of the languages set by the International preference pane in Cocoa, Carbon, and Terminal.

QA1451: Concerns and details regarding widget and web development for Intel-based Macintosh computers

QA1437: Discusses how to parse the kQTSCAudioPropertyID_CodecSpecificSettingsArray property returned from StdAudio. Also see Q&A 1390.

QA1496: Discusses the common problem when adding menu items to the Recent Searches menu.

QA1183: Describes how to select the correct value for the depth field of an image description.

QA1497: Why Spotlight indexing can cause file deletion to fail, and what to do about it.

QA1387: Describes problems integrating a third-party network file system with Finder's Connect to Server dialog.

QA1499: Explains how to interpret errors returned by the Security Framework with an overview of Security error handling.

QA1390: Discusses Core Audio AudioConverter configuration with StdAudio, specifically the CodecSpecificSettingsArray property.

QA1470: Describes why ICM Compression Sequence APIs cannot be used to encode to H.264

QA1473: Discusses why NSProgressIndicator does not redraw during progress loops.

QA1489: Discusses why badFormatErr may be returned from Standard Audio

QA1392: Describes the problem caused by different forbidden characters in POSIX and HFS and a solution around the problem.

QA1472: Discusses the issues and factors that affect NSTableView's "Action Invocation" binding.

QA1256: provides an explanation and workaround for a rare but serious problem affecting all applications.

QA1372: Identifies the runtime environment of the application. Useful only for plugins, frameworks, input methods, etc.

QA1484: Describes how to add a folder of files to the package contents of executable code

QA1393: Illustrates how to select a static version of a library when a dynamic version of the library exists.

QA1295: Required changes (if any) for Java applications to run on Intel-based Macs.

QA1342: Recommended alternatives to mixing Cocoa-Java and AWT/Swing.

QA1367: Discusses how to find memory protection violations or EXC_BAD_ACCESS bugs in Cocoa projects.

QA1436: Reveals the location of the main bundle of a command-line foundation tool.

QA1454: Describes how to make the NSTextField control accept tab, return and enter keys by using the control's dispatch delegate method.

QA1323: Describes a way to easily visually identify interface elements in a nib file.

QA1490: Describes how to properly build Objective-C static libraries that contain categories on existing classes.

QA1486: An explanation on what is and is not possible using the SecKeychain API to manipulate Keychain Items.

QA1339: Explains how to obtain information regarding the internal state of mDNSResponder.

QA1457: Discusses how the pass mode flags work when performing multipass compression operations.

QA1487: Shows how a Cocoa app can embed a hyperlink inside both NSTextField and NSTextView using NSAttributedString.

QA1364: Locating classes necessary to build Java-Javascript communication into Java Applets on Mac OS X.

QA1461: Shows how a Cocoa application can disable and enable an NSTextView.

QA1462: A short guide on how to programmatically search Open Directory for matching attribute values within records.

QA1485: Explains how to create a disclosure button control in Cocoa, not immediately available in Interface Builder.

QA1481: Describes how to correct for MovieAudioExtraction missing some audio samples at the end of audio files.

QA1446: Explains why the control key transforms the character code instead of simply setting the appropriate modifier bit.

QA1431: How do I enable asserts so they log their messages and/or break when I'm debugging?

QA1477: Discusses how to retrieve accurate audio format bit depth.

QA1180: Describes how to dynamically link to libraries and plug-ins, typically done with dlopen.

QA1016: Demonstrates volume controls for audio devices

QA1475: Presents a number of different ways to search for APIs and reference material on the system.

QA1471: Describes the different ATS font enumeration methods

QA1474: Explains problems running existing Xcode projects after upgrading to J2SE 5.0 Release 4

QA1476: Explains how to use the kQTPropertyClass_DRM properties with QuickTime media.

QA1467: Describes CoreAudio overload warnings what they mean and how to avoid them.

QA1469: Describes the importance of making sure a Movie is fully loaded before extracting audio.

QA1394: Workaround the NULL input buffers in a Core Audio IOProc callback when using NSSound by using AudioDeviceAddIOProc

QA1341: Describes how to create a movie from movie data in memory.

QA1464: Describes special considerations for byte ordering when performing ColorSync color matching on Intel-based Macs

QA1465: Discusses adding the missing 'rowb' ImageDescription extension when using MakeImageDescriptionFromPixMap with a k2vuyPixelFormat GWorld for a procedures export.

QA1370: Roadmap for development of USB Software on Mac OS X and some Common Questions and Answers

HW90: Describes the "packages" node in the Open Firmware device tree.

QA1088: Discusses thread-safety and reentrancy of the QuickTime library on both Mac & Windows.

QA1463: Describes new behavior for the QuickTime for Windows 7.0.3 Installer

QA1411: Describes how to prevent the Sequence Grabber from filling your entire disk when recording.

QA1459: Describes how to perform frequency band level metering using MovieAudio metering APIs.

QA1456: Discusses how to configure Compression Session options using Standard Compression dialog.

QA1450: Describes how to enable multi-pass encoding when using ICM compression sessions.

QA1455: Discusses the temporal compression option as it relates to quality and other compression session options.

QA1236: Explains how to use QuartzDebug to debug graphics issues.

QA1460: Describes how to set codec accuracy and field mode options when creating a decompression sessions.

QA1062: Describes the scCompressionListType flag, which limits the list of compressors shown in the standard image settings dialog.

QA1429: Replace deprecated CALL_ON_[UN]LOAD pragmas with constructor [destructor] function attributes.

QA1449: How to set the default Finder window to open when a disk is mounted

QA1453: Details an undocumented Carbon Event which will be added to the public headers in a later DevTools release.

QA1448: Describes QuickTime 7 support for constant bitrate and variable bitrate Sound Manager codecs

QA1447: Lists the preferred time scales/sample durations for media created for use with FCP.

QA1430: Discusses use of the Apple RGB and Generic RGB profiles for untagged data on Mac OS X

QA1444: Discusses how to set encoding quality for a Compression Sequence

QA1267: Discusses the Media Configuration 'mcfg' resource which lists Importer Component file type characteristics and its use.

QA1340: Explains how applications can register and unregister for sleep notifications on Mac OS X.

QA1396: How to create color spaces that ensure color matching.

QA1413: Describes how QuickTime may return bdNamErr (-37) error on Windows if file name is > 63 characters

QA1378: System Alerts now use the Application icon to let the User easily identify the source of the alert.

QA1438: Describes the function of the DVCompressor class component properties.

QA1412: Describes where to find information about the Keynote 2 file format.

QA1440: Discusses how you implement a Core Video custom extended pixel fill callback function.

QA1401: Discusses how to register custom pixel formats with QuickTime & Core Video with QuickTime 7.

QA1400: Describes how to add Unicode characters to text media in a text track

QA1416: Which processor will be used for rendering in Core Image and how to affect it.

QA1368: Table of supported combinations of cupsColorSpace, cupsColorOrder and cupsBitsPerColor values supported by Mac OS X.

QA1439: Explains why part codes greater than 127 should not be used

QA1357: Explains how to enable communication between devices with link-local addresses and devices with routable addresses.

QA1389: Explains why you might have problems retrieving TXT record information from a CFNetServiceRef or NSNetService.

QA1424: Shows how to display a list of GCC predefined macros.

QA1362: Describes a difference in Drag and Drop on Mac OS X that affects all cross-platform Java applications

QA1425: Explains how the RSS Feed patch in Quartz Composer refreshes its contents.

QA1435: Workaround for a drawer problem present in Mac OS X v10.4 but fixed in v10.4.2

QA1423: How to use the unified window title and toolbar appearance for a Carbon window.

QA1427: Describes the timebase system used by patches in Quartz Composer.

QA1422: Describes a problem with weak linking to Spotlight (the Metadata framework), and its solution.

QA1433: Explains how to design compositions that adapt to the hardware limitations.

QA1434: Describes the circumstances in which the QCView background may render corrupted.

QA1179: Explains that Mac OS X does not implement SCSI or ATA pass-through for many mass storage devices.

QA1070: Explains how to load scripting additions so you can call them using Apple events.

QA1428: Explains the role of libstdc++ and why you do not need it in a Xcode project.

QA1426: Explains how to handle correctly the kEventControlDragEnter event so drops will work in a Control or HIView.

QA1421: Discusses how to configure features of IIDC cameras, specifically gain for the iSight

QA1404: How to correctly add custom Address Book properties using ABAddPropertiesAndTypes

QA1409: Development situations that can potentially confuse Help Viewer

QA1414: Documents a new IconTransformType, available in Panther and later, which draws a focus ring around an icon.

QA1418: Describes how to perform movie export using ConvertMovieToFile or ConvertMovieToDataRef without displaying the dialog

QA1346: How to discover the current magnification (zoom level) of any NSView.

QA1415: Explains how to make sure Final Cut Pro will recognizes a custom QuickTime movie export component.

QA1408: Determine the version of an Audio Unit

QA1304: Outlines the importance of correctly filling in the MovieExportGetDataParams dataSize field when exporting from procedures.

QA1350: Storing file references in CFPreferences

QA1373: Describes the role of CFBundleIdentifier in limiting a user's application access.

QA1406: Lists the public UTIs (Uniform Type Identifiers) used by the Pasteboard in Mac OS X v10.3.

QA1248: How to correctly share OpenGL contexts and what the limits on this sharing are.

QA1405: How to implement methods which take a variable number of arguments.

QA1298: Explains why you get an IP address of 0.0.0.0 when resolving a Bonjour service.

QA1398: Describes how to convert Mach absolute time units to real time, and vice versa.

QA1403: Discusses how to determine the resolution of a captured image from an IIDC device

QA1353: Workaround for NSOpenGLView failure to draw after its window is closed and re-opened.

QA1395: Making a LiveConnect call to a signed Applet before that Applet has finished loading can cause a hang.

QA1355: Describes a common mistake in setting up cursor-tracking rectangles.

QA1374: Get the names of external MIDI Devices from MIDI Endpoints.

QTMTB49: Describes correct parameter values for the SetSoundMediaBalance routine.

QA1381: Gives a workaround for dismissive clicks on items in the custom area of Navigation Services dialogs.

QA1388: Shows how to find the library containing a symbol in GDB.

QA1084: Shows how to create an email in the user's prefered email application.

QA1167: Describes usage cases for both NSOpenGLViews and Custom Views for Cocoa OpenGL applications

QA1361: Shows how to determine whether you're being run under the debugger.

QA1377: Explains why weak-linked API common runtime check is not good enough for the HITheme APIs.

QA1159: Shows how to sort strings like the Finder's list view.

QA1383: Describes how to enable ssh clients to receive X11 communication from a Mac OS X system.

QA1160: Explains how your application can prevent the system from sleeping.

QA1384: Explains how to enable the default behavior of the Navigation Services dialogs.

QA1161: Describes the Tab control hierarchy and layouts of its panes and provides a fix to a common problem.

QA1162: Explains why any custom drawing code must be handled by the kEventControlDraw handler of a custom HIView

QA1265: Creating a persistent browser session (cookie) inside Java 1.3 Applets

QA1158: Explanation of the differences between glFlush() and glFinish()

QA1168: Using Core Graphics and IOKit to find the physical size of VRAM on installed hardware.

QA1379: Describes how to use the latest Mac OS X headers in CodeWarrior by modifying the CFM project access paths.

QA1380: Explains how to make a static text item respond to clicks

QA1385: Using Cocoa timers (NSTimer) to drive a rendering loop

QA1375: Describes the incorrect prototyping of the SetFontInfoForSelection API and gives a workaround.

QA1294: Demonstrates how to check for any available QuickTime components required by individual QuickTime functions.

QA1376: Demonstrates how to add a reference for a movie to another movie

QA1382: Demonstrates how to adjust the brightness of a movie for playback.

QA1366: Explains how to save and load media play hints from Movie files.

QA1320: Discusses support for 128-bit encryption in Apple's Safari web browser.

QA1371: Demonstrates how to avoid pauses when looping audio files with QuickTime

QA1369: Setting the ColorSync profile for a NSBitmapImageRep object

QA1363: How to properly override the default about and quit behaviors in Java 1.4 and later

QA1359: Updates obsolete information contained in the pcscd(8) man page on Mac OS X Jaguar and Panther.

QA1365: Discusses factors which influence the number of IIDC cameras that can simultaniously be used for capture.

QA1306: Explains how mDNSResponder enforces the proper TXT record format in Panther.

QA1312: Provides a list of common Bonjour service types used in Mac OS X.

QA1302: Explains how to update a Bonjour TXT record while running on either Jaguar or Panther.

QA1176: Lists tools available for looking at the network packets on the wire.

QA1356: Discusses attempting to "pre-flight" an isochronous bandwidth allocation request by reading the currently available bandwidth.