21 October 2010
Efficiently sorting an array that is already mostly sorted
I've been investigating how to improve the performance of sorting an array that is already mostly sorted. Turns out java is replacing the mergesort with timsort in Java 7's Arrays.sort. You can find the code here. I'm seeing a factor of 3-4 improvement!
19 October 2010
17 October 2010
BigTable Model with Cassandra and HBase | Javalobby
BigTable Model with Cassandra and HBase | Javalobby gives a good overview and detail on NOSQL/column-orientated dbs.
01 October 2010
JUnit Kung Fu: Getting More Out of Your Unit Tests
Some nice info in the slides at JUnit Kung Fu: Getting More Out of Your Unit Tests | Java.net
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