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Easy Learn Java: Programming Articles, Examples and Tips - Page 111


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I am getting strange artifacts when rendering Asian text in a TextArea component

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Question: I am getting strange artifacts when rendering Asian text in a TextArea component. I run Japanese version of Windows NT...

Answer: This problem occurs if you install English version of SW onto non-Latin versions of NT. For example Visual C++ or Office 97.
The problem is caused when the installation of those programs replaces the Asian DLL Riched32.dll file with the English version of the same file. The problem can be corrected by replacing Riched32.dll with the Asian version.

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Posted by jalex on Wednesday, December 03, 2003 (00:00:00) (3156 reads)

Performance testing has shown that the finalize methods in the channel classes i

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Good to know: Performance testing has shown that the finalize methods in the channel classes impose a significant GC penalty upon server-type programs that must deal with thousands of new open channels per second.

And now in J2SE 1.4.2the finalize methods of the primitive channel classes (SocketChannel, ServerSocketChannel, etc.) have been removed . Additional performance test measurements revealed that the presence of these methods imposed a significant (factor of 100) garbage-collection penalty upon server-type applications that process thousands of new open channels per second. User code that deals in channels should be carefully written to close channels explicitly rather than rely upon the garbage collector to do so.


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Posted by jalex on Tuesday, December 02, 2003 (00:00:00) (3495 reads)

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