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Technical Q&As are short question and answer formatted pages that provide answers to questions frequently received at Apple Developer Technical Support.

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Why don't all of my PDE localizations show up in all applications? (HTML) ()
QA1185: Explains why some PDE localizations might not appear in all applications.
Hardware 2002-10-16
Workaround for Asynchronous SCSIAction Crashes (HTML) ()
Deprecated - QA1129: Explains how to workaround asynchronous SCSIAction crashes on Mac OS X.
Hardware 2002-03-21
Working with Configuration Variables (HTML) ()
QA1119: Explains how to delete a specific Open Firmware configuration variable without using Command-Option-P-R.
Hardware 2002-02-13
BOM characters in 'utxt' clipboard flavor (HTML) ()
QA1221: Explains the use of the BOM character in 'utxt' scrap data
Internationalization 2003-01-20
Converting to Precomposed Unicode (HTML) ()
QA1235: Describes how to convert a string to precomposed Unicode.
Internationalization 2003-02-07
Improving ATSUI Text Drawing Performance (HTML)
QA1027: Talks about one way of improving ATSUI text drawing performance.
Internationalization 2001-04-17
Installing input methods on Mac OS X (HTML)
QA1054: Describes how to install and use input methods on Mac OS X.
Internationalization 2001-09-14
Accessing HTTPS Proxy Settings (HTML) ()
QA1234: Describes how to programatically access Secure Web Proxy information.
Internet & Web 2003-02-19
Changing the TCP Window Size (HTML)
NW47: Describes how to change the TCP window size in Open Transport.
Internet & Web 1997-03-14
The "chosen" node in the device tree (HTML)
HW88: Describes how to find the "chosen" node in the Open firmware device tree.
Internet & Web 2000-09-05
Developer Tools JBoss and Tomcat Do Not Start After Installing Java 1.4.2 Update (HTML)
QA1025: Describes how to re-enable JBoss and Tomcat after installing the Java 1.4.2 update.
Internet & Web 2004-03-04
Does Safari support 128-bit encryption? (HTML)
QA1320: Discusses support for 128-bit encryption in Apple's Safari web browser.
Internet & Web 2004-09-10
Enabling X11 Forwarding (HTML)
QA1383: Describes how to enable ssh clients to receive X11 communication from a Mac OS X system.
Internet & Web 2004-10-25
Getting a Packet Trace (HTML) ()
QA1176: Lists tools available for looking at the network packets on the wire.
Internet & Web 2004-07-13
Hang launching signed Applets from JavaScript (HTML)
QA1395: Making a LiveConnect call to a signed Applet before that Applet has finished loading can cause a hang.
Internet & Web 2004-12-02
Internet Connect Speed (HTML) ()
QA1165: Describes how to get the modem connection speed from the System Configuration framework dynamic store.
Internet & Web 2003-03-26
Launching the Default Internet Browser (HTML) ()
NW60: Shows with sample code how to invoke a user's default browser to open a specific URL.
Internet & Web 1999-10-11
OTScheduleDeferredTask When Task Running (HTML) ()
NW52: Describes what happens when you use OTScheduleDefferedTask to schedule a task that is running.
Internet & Web 1997-10-13
Sharing Browser Cookies With Java Applets (HTML) ()
QA1265: Creating a persistent browser session (cookie) inside Java 1.3 Applets
Internet & Web 2004-10-13
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.
Internet & Web 1996-10-25
TCP/IP Option Sizes (HTML) ()
NW62: Enumerates the TCP/IP options and their sizes for Open Transport.
Internet & Web 1999-04-26
'aete' in Java (HTML) ()
Deprecated - JAVA08: Programatically specifying the aete for AppleScriptable Mac OS Classic applications.
Java 1999-05-17
AppleScript for Java (HTML) ()
Deprecated - JAVA07: Naming objects for calling Java from AppleScript on Mac OS Classic.
Java 1999-05-17
Checking for the presence of a native library from Java (HTML)
Deprecated - JAVA19: Checking for the presence of a JNI library from Mac OS Classic Java.
Java 1999-11-29
Creating JNI Libraries with Project Builder (HTML) ()
Deprecated - JAVA28: Building JNI libraries for use in 1.3.1 on Mac OS X 10.1.
Java 2001-06-19
Creating Mac OS X applications from Java JAR files (HTML) ()
Deprecated - JAVA29: Creating Mac OS X applications from Jar files on Mac OS X 10.0.
Java 2000-12-27
Creating serialVersionUIDs using MRJ (HTML) ()
Deprecated - JAVA13: Creating serialVersionUIDs using MRJ on Mac OS Classic Java.
Java 1999-05-17
Customizing Component Border Colors (HTML) ()
QA1272: Retaining Aqua background for JComboBox menus with custom control borders.
Java 2003-07-31
Customizing Font Properties (HTML) ()
Deprecated - JAVA10: Customizing Font Properties in Mac OS Classic Java.
Java 1999-05-17
Debugging Graphics with QuartzDebug (HTML) ()
QA1236: Explains how to use QuartzDebug to debug graphics issues.
Java 2003-02-25
Defining user properties with MRJAppBuilder (HTML)
Deprecated - JAVA24: How to define user properties using MRJAppBuilder in Mac OS Classic Java.
Java 2000-04-17
Determining MRJ's Version (HTML) ()
Deprecated - JAVA17: Determining the version of MRJ currently in use for Mac OS Classic Java.
Java 1999-09-27
Developer Tools JBoss and Tomcat Do Not Start After Installing Java 1.4.2 Update (HTML)
QA1025: Describes how to re-enable JBoss and Tomcat after installing the Java 1.4.2 update.
Java 2004-03-04
Displaying Java compiler errors in Japanese (HTML) ()
Deprecated - QA1092: Explains and resolves garbled Project Builder compiler errors under Mac OS X 10.1 for Japanese systems.
Java 2001-11-08
Enabling Macintosh-style Menu Bars (HTML) ()
QA1003: Enabling Macintosh-style Menu Bars in JDK 1.3.1 on Mac OS X.
Java 2001-02-02
Exception in JFileChooser.setAcceptAllFileFilterUsed (HTML)
Deprecated - QA1280: Workaround for a known issue in Java 1.4.1 Update 1 on Jaguar.
Java 2003-10-07
Getting a Packet Trace (HTML) ()
QA1176: Lists tools available for looking at the network packets on the wire.
Java 2004-07-13
Hang launching signed Applets from JavaScript (HTML)
QA1395: Making a LiveConnect call to a signed Applet before that Applet has finished loading can cause a hang.
Java 2004-12-02
Hiding public methods from AppleScript in Java (HTML) ()
Deprecated - JAVA09: Hiding public Java methods from AppleScript on Mac OS Classic.
Java 1999-05-17
How to Disable the JIT (HTML) ()
Deprecated - JAVA05: Disabling the JIT on Mac OS Classic.
Java 1998-02-22
Illustrating document window changes in Swing (HTML) ()
QA1146: Using the Aqua close button dot in Swing applications to indicate document changes.
Java 2002-06-18
Important Java Directories on Mac OS X (HTML) ()
QA1170: Mac OS X equivalents of common Java runtime and development directories.
Java 2003-10-21
Inputting characters using InputMethod (HTML) ()
Deprecated - JAVA18: Inputting characters using InputMethod on Mac OS Classic Java.
Java 1999-10-18
The installer turns my application into a folder. (HTML)
Deprecated - QA1023: Workaround for applications built with MRJApp Builder that become folders on Mac OS X 10.0.
Java 2001-04-12
Java File Paths are not Unix File Paths (HTML) ()
Deprecated - JAVA11: Describes why Java File Paths are not Unix File paths on Mac OS Classic Java.
Java 2000-03-20
JBound App Results in -35 OSErr (HTML) ()
Deprecated - JAVA03: Resolving error -35 on Mac OS Classic JBound applications.
Java 1998-02-22
Mixing AWT/Swing and Cocoa Java (HTML)
QA1342: Recommends an alternative to mixing Cocoa Java and AWT/Swing.
Java 2004-02-26
Moving Files in Java (HTML)
Deprecated - JAVA21: Moving files in Mac OS Classic Java.
Java 2000-02-02
Playing a sound using QTJ (HTML)
Deprecated - QTJ01: Explains how to play sounds in Java using QuickTime for Java.
Java 1999-10-25
Prompting the user with MRJQuitHandler (HTML) ()
QA1187: How to intercept Cmd-Q for all Java 1.3 releases on Mac OS X.
Java 2002-08-15
Properties versus methods in automatically generated 'aete' resources (HTML) ()
Deprecated - JAVA14: Explains describing properties versus methods in generated 'aete' resources on Mac OS Classic Java.
Java 1999-05-17
Rendering Multi-line text in JTree nodes (HTML)
QA1091: Correcting render problems with multi-line JTree node labels in the Aqua look and feel.
Java 2001-11-02
Right- and Control-Drags on Mac OS X (HTML)
QA1362: Describes a difference in Drag and Drop on Mac OS X that affects all cross-platform Java applications
Java 2004-08-31
Scripting Java-based command-line interface applications (HTML) ()
Deprecated - JAVA16: AppleScripting a Mac OS Classic application for non-gui tools on Mac OS Classic Java.
Java 1999-05-17
Server Processes and the Dock (HTML) ()
QA1328: Discusses using headless AWT from Java server applications that need to be hidden.
Java 2004-01-19
Setting the default look-and-feel for Swing applications (HTML) ()
QA1059: Changing the default look-and-feel for Swing applications on Mac OS X.
Java 2004-02-10
Setting the preferred CMM programatically? (HTML)
QA1086: Uses the NCMConcatProfileSet structure to specify the CMM to be used to make the CMWorldRef with the NCWConcatColorWorld function.
Java 2001-10-24
Sharing Browser Cookies With Java Applets (HTML) ()
QA1265: Creating a persistent browser session (cookie) inside Java 1.3 Applets
Java 2004-10-13
Simulated Click on AWT Button (HTML) ()
Deprecated - JAVA01: Shows how to programmatically simulate a clicked button in MRJ 1.1.x for Mac OS9.
Java 1998-12-07
Specifying Proxy Settings (HTML)
Deprecated - JAVA25: Specifying proxy settings in JDK 1.1.x for Mac OS Classic.
Java 2000-04-24
SSL and Applet Caching in MRJ 2.2 (HTML)
Deprecated - JAVA22: SSL and Applet Caching in Mac OS Classic Java.
Java 2000-02-02
Stack Crawl Not Showing Line Numbers (HTML) ()
Deprecated - JAVA06: Getting stack crawls to show the line numbers on Mac OS Classic.
Java 1998-02-22
Submenus not Updating With Mac OS Screen MenuBar (HTML) ()
QA1171: Workaround for a menu update problem with the screen menubar in Java 1.3.1
Java 2002-07-12
Toolkit.beep doesn't beep! (HTML) ()
QA1257: Discusses a problem with the Toolkit.beep call under Java 1.3.1.
Java 2003-04-11
Unsolicited About Boxes (HTML)
QA1363: How to properly override the default about and quit behaviors in Java 1.4 and later
Java 2004-08-31
Using .zip and .jar Files With Applets (HTML) ()
Deprecated - JAVA04: Shows how to call an applet bundled in a .jar or .zip file on Mac OS Classic.
Java 1998-02-22
Using JDK Tools Under MRJ 2.2 (HTML)
Deprecated - JAVA23: Using the JDK tools under Mac OS Classic Java.
Java 2000-02-02
Using Runtime.exec to open a URL (HTML) ()
Deprecated - JAVA12: Shows how to use Runtime.exec on Mac OS Classic Java to open a URL.
Java 2001-08-03
Using stdin on the Macintosh (HTML) ()
Deprecated - JAVA02: Shows how to use stdin on MRJ for Mac OS Classic.
Java 1998-12-07
Using System.currentTimeMillis( ) (HTML)
Deprecated - JAVA20: Using System.currentTimeMills() on Mac OS Classic Java.
Java 2000-02-02
Using the MRJ with IE 5 (HTML)
Deprecated - JAVA26: Describes using MRJ with IE 5 and JDK 1.1.x on Mac OS Classic.
Java 2000-08-14
Using the QuickTime for Java libraries on OS X (HTML) ()
QA1058: Where to locate the QTJava.zip file for inclusion in your java/javac classpath.
Java 2002-04-08
What is a 'scsz' resource in Java? (HTML) ()
Deprecated - JAVA15: Describes the what the scsz resource is for Mac OS Classic Java.
Java 1999-05-17
What is JAR caching? (HTML)
Deprecated - JAVA27: Describes the jar caching for JDK 1.1.X on Mac OS Classic.
Java 2000-10-06
SCSI ID from vRefNum (HTML) ()
DV29: Legacy Mac OS technique for identifying the ID of a SCSI Parallel device containing a specified disk volume.
Mac OS 9 & Earlier 1997-05-23
Accessing HTTPS Proxy Settings (HTML) ()
QA1234: Describes how to programatically access Secure Web Proxy information.
Mac OS X Server 2003-02-19
ANSI SCSI Standards (HTML)
Deprecated - DV03: Describes past Macintosh systems that did not fully support the ANSI SCSI-1 standard.
Mac OS X Server 1995-07-01
The "chosen" node in the device tree (HTML)
HW88: Describes how to find the "chosen" node in the Open firmware device tree.
Mac OS X Server 2000-09-05
Determining user login/logout status (HTML)
QA1133: Tells how to determinine if a user is logged in, and how to get login/logout notification
Mac OS X Server 2002-04-08
Difference between using Restart or Shut Down in the Finder's Special menu in Open Firmware (HTML) ()
HW47: Explains the differences between using Restart or Shut Down on Open Firmware
Mac OS X Server 1999-02-15
Enabling X11 Forwarding (HTML)
QA1383: Describes how to enable ssh clients to receive X11 communication from a Mac OS X system.
Mac OS X Server 2004-10-25
Expansion ROM device properties (HTML) ()
HW50: Describes the Open Firmware properties that should be included in a boot device's expansion ROM.
Mac OS X Server 1999-03-29
Generating an NMI Without a Programmer's Switch (HTML) ()
QA1264: Explains how to generate a non-maskable interrupt (NMI) on CPUs without programmer's switches.
Mac OS X Server 2004-04-26
Getting a Packet Trace (HTML) ()
QA1176: Lists tools available for looking at the network packets on the wire.
Mac OS X Server 2004-07-13
Getting started with Forth (HTML) ()
HW53: Describes where FCode driver developers can get information about the Forth programming language.
Mac OS X Server 1999-03-29
Installing an I/O Kit KEXT Without Rebooting (HTML)
QA1319: Describes the state of the art of installing I/O Kit kernel extensions (KEXTs) without requiring a restart.
Mac OS X Server 2003-10-28
Internet Connect Speed (HTML) ()
QA1165: Describes how to get the modem connection speed from the System Configuration framework dynamic store.
Mac OS X Server 2003-03-26
IOKit Framework Headers (HTML) ()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
Mac OS X Server 2002-01-15
Is ColorSync thread safe? (HTML) ()
QA1261: Discusses ColorSync thread-safety issues.
Mac OS X Server 2003-04-17
Is the Open Firmware device tree object oriented? (HTML)
HW80: Discusses the object-oriented attributes of the Open Firmware device tree.
Mac OS X Server 1999-11-15
Non Mac OS X Bundled data-fork based Resources (HTML) ()
QA1098: Mac OS X Bundled data-fork based Resources
Mac OS X Server 2003-08-20
The "packages" node in the device tree (HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
Mac OS X Server 2000-09-05
PCI Type 1 Cycles (HTML)
HW26: Describes the circumstances when the PowerMac generates a Configuration Type 1 command.
Mac OS X Server 1995-07-15
Programmatically causing restart, shutdown and/or logout (HTML) ()
QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout.
Mac OS X Server 2003-02-10
QDFlushPortBuffer (HTML) ()
QD65: Describes a possible solution for window update problems under Carbon.
Mac OS X Server 2000-11-08
Sample code for allocating an amount of dictionary space (HTML)
HW71: Discusses the allocation and the setting of memory for Dictionary space in Open Firmware.
Mac OS X Server 1999-10-11
Server Processes and the Dock (HTML) ()
QA1328: Discusses using headless AWT from Java server applications that need to be hidden.
Mac OS X Server 2004-01-19
What are snag keys in Open Firmware? (HTML) ()
HW35: Explains Open Firmware snag keys, including examples of their function.
Mac OS X Server 1999-02-15
What is the "dump" word and how do I use it? (HTML)
HW68: Describes the function of the Open Firmware word "dump" and how it can be used.
Mac OS X Server 1999-10-11
What numeric base is the default for the Open Firmware user interface? (HTML)
HW65: Describes how the default numeric base used by the Open Firmware user interface is hexadecimal.
Mac OS X Server 1999-10-11