March 15, 2010
Joe Darcy: Beware of Covariant Overriding in Interface Hierarchies.
One of the changes to the Java programming language made back in JDK 5 was the introduction of
covariant returns, that is, the ability in a subtype to override a method in a supertype and return a more specific type. For example,
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March 14, 2010
Stephen Colebourne: Java language design by use case.
In a blog in 2006 Neal Gafter
wrote
about how language design was fundamentally different to API design and how use cases
were a bad approach to language design.
This blog questions some of those conclusions in the context of the Java language.
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calculating processor utilisation from the ultrasparc t1 and ultrasparc t2 performance counters
Calculating Processor Utilisation From the UltraSPARC T1 and UltraSPARC T2 Performance Counters
Use the performance counters for the UltraSPARC T1 and UltraSPARC T2 processors to estimate core load and find potential areas for performance improvement.
Date: December, 31 1969
Url: http://feeds.feedburner.com/~r/sunstudiowhatsnew/~3/272377499/t1t2_perf_counter.html
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