Clever Enum tricks and some things to read over the weekend

Here's a Java goody - changing the default maximum compile errors reported by Javac:
   http://forums.sun.com/thread.jspa?messageID=2250634#2250634

Clever things that you can do with Java Enums:
   Create a hierarchy - http://java.dzone.com/articles/enum-tricks-hierarchical-data
   Make it implement an interface - http://api.neo4j.org/current/org/neo4j/graphdb/RelationshipType.html

And some bizarre things to do like - converting Java to native:
    http://nestedvm.ibex.org/
    http://llvm.org/svn/llvm-project/java/trunk/docs/java-frontend.txt
    http://www.vishia.org/Java2C/html/features.html

What would happen if you tried to bypass the Sql engine in MySql? You'd get 750,000 reads per second!
    http://yoshinorimatsunobu.blogspot.com/2010/10/using-mysql-as-nosql-story-for.html

Some Hadoop and cloud related presentations worth reading:
    http://www.cloudera.com/resource/hw10_hbase_in_production_at_facebook
    http://www.cloudera.com/resource/hw10_apache_zookeeper_at_yahoo
    http://www.slideshare.net/adrianco/netflix-on-cloud-combined-slides-for-dev-and-ops