Attempt 1: Use Arrays and Lists and a recursive function to loop over all letters in the boggle board and find all possible words of size [min-length] to size [max-length] where min-length >= max-length. Code: Apr 16, 2010 2:42:59 PM 1 package boggle; 2 3 import java.util.ArrayList; 4 import java.util.Arrays; 5 import java.util.HashSet; 6 import…More
Monthly Archives: April 2010
Why do OJC and Javac differ?
Introduction: A certain developer wanted to specify Generic Type in his abstract Java class, like the Java Map interface and AbstractMap class, in the manner described in Code Sample A, below. Setup: – We have 2 environments desktop and remote hosts – Applications are built on the desktop in JDEV (11gR1) using OJC by default…More
Python + MySQL in Ubuntu (9.10)
Assuming you did a fresh install of Karmic Koala – Ubuntu 9.10 Here are the steps: – Install Python: apt-get install python2.6 – Install XAMPP/LAMP stack: sudo tasksel install lamp-server After you install follow the steps on setting up the root password see the notes here . – Install MySQLdb: I tried downloading the sourceforge…More
Stuff to read
<p>Must read up more on these – download, test, play</p> <ul> <li>JGraph – http://www.jgraph.com/mxgraph.html</li> </ul> <ul> <li>Parallel port interfacing made easy – http://www.epanorama.net/circuits/parallel_output.html</li> </ul> <ul> <li>Wireless Rabbit Web Server – <ul> <li>http://killerprojects.wordpress.com/2010/04/06/wireless-rabbit-web-server-802-11-bg-w-video/#more-53</li> <li>Introduction to WI-FI, Wireless LAN basics, Wireless Security, Rabbit Wireless doc – http://www.rabbit.com/documentation/docs/manuals/WiFi/Introduction/WiFiIntro.pdf</li> <li>Introduction to ZigBee – http://www.rabbit.com/documentation/docs/manuals/ZigBee/Introduction/ZigBeeIntro.pdf</li> </ul> </li> </ul> <ul> <li>I…More
Design Patterns
Introduction In the realm of enterprise application development, Java 2 Platform, Enterprise Edition (J2EE) has long stood as a bastion of robustness and scalability. An intriguing facet of J2EE is its harmonious blend with the timeless design patterns delineated by the Gang of Four (GoF). This post delves into how the GoF patterns breathe life…More
Matrix manipulation
When solving Boggle, Sudoku or some n-by-n board game or when doing Image analysis or Parallel Computing – it is often useful to be able to represent one-dimensional data structures in 2-dimension and vice-versa. Simple formulae exists for doing this conversion, as illustrated below: Converting from Row by Col 2-dimensional (2-index) format to a 1-by-(Row*Col)…More