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Tuesday, October 30. 2007
OS X: JFrame with JMenuBar Must Be First
When building Swing applications customized for OS X, note that for more complex applications with multiple JFrames, a JFrame containing a JMenuBar must be initialized first. If a JFrame with no JMenuBar is created first, neither the custom application name nor the menus will work correctly.
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Thursday, October 25. 2007
Google Collections Library for Java
Wish you could have multiple keys in your Map class? Want to add constraints easily to your collections to ensure the data is as expected? Both of these and much more are available in the Google Collections Library. Obviously these can be coded yourself; but this library offers a more elegant and better tested way to build some of these useful data structures.
Wednesday, October 10. 2007
Unknown protocol: dummy
When receiving the error
java.net.MalformedURLException: unknown protocol: dummy, check everything included in all libraries and classpath elements for old or conflicting versions of Xerces and Gnu Jaxp. Dummy is a basic, built-in protocol, so if it is not locatable there is a library conflict.