The equivalent of Oracle’s Dual table in Netezza is a view named _v_dual –select 1/null […]
Building a Personal Website.
This site is built using Ubuntu AWS : EC2, Elastic IP Apache : 3 Sites, […]
Big O comparison
logx < x < x*logx < x^2 < 2^x Each part of the above statement […]
Why is the Big O of merge sort not 2^logn?
Even after hearing. learning, programming merge sort several times in the past, suddenly I am […]
Sample multi-threaded program using join, synchronized, wait and notify
Thread Illustration package kunkunur.org.design.threads; import java.util.LinkedList; import java.util.Queue; public class ThreadIllustration { private static Queue<Integer> […]
Data Structures Visualization
Requirements List all the data structures ex: Queue, Stack, Tree Support tagging at each data […]
Isolation Levels for Clients of a Service Provider System (Not necessarily a DBMS)
Isolation levels have been discussed mostly in the context of DBMS. Abstracting this further to […]
REPL for Java
While JRuby, BeanShell, Julian Fleischer’s REPL are there Albert Latacz’s REPL seems to be the latest and active. Tried it with […]
Ruby and Java’s approach towards Reflection
As per http://docs.oracle.com/javase/tutorial/reflect/index.html, certain VM optimizations cannot be performed during reflection, also there are security concerns since […]
JMX Application Monitoring and Management in Java world and possibly DevOps?
VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling capabilities. […]