Ben McCann

Co-founder of Zenos.
Investor at C3 Ventures.
Google and CMU alum.

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January 2011

Commons Math vs. ojAlgo

01/23/2011

There are numerous math libraries for Java.   This is frustrating as a user because it’s hard to decide which to use.   Sometimes an algorithm is implemented in one library, but not another, which means you must marshal your data between proprietary formats.  I was working on solving systems of linear equations and there Read More

MySQL Commands Cheatsheet

01/22/2011

Install SQL Buddy sudo apt-get install apache2 libapache2-mod-php5 php5-mysql sudo /etc/init.d/apache2 restart Download SQL Buddy, unzip, and move to /var/www Allow connections from a remote server: Set the bind address in /etc/mysql/my.cnf to your ip address Open the port in the firewall by running “/sbin/iptables -A INPUT -i eth0 -p tcp –destination-port 3306 -j ACCEPT” Read More

Embedded Jetty

01/19/2011

One of the coolest things about Jetty is the ability to run it in embedded mode.  This means that you can write a Java app with a main method that will launch a Jetty server.  This has some really nice benefits.  For example, it makes it really easy to deploy a server to EC2 because Read More