Prime Factoring with PHP

A surprisingly large number of math based computer problems appear to require factorization, finding prime number, or prime factoring. Presented below is a reasonably fast algorithm for prime factoring a number – it is limited to the integer size on PHP (231-1). It should be a fairly trivial exercise to modify the function below to… Continue reading Prime Factoring with PHP

Setting up Subversion

Subversion is a versatile version control system. This article looks at how to set up subversion on Amazon’s Linux (RHEL/CentOS derived), and the necessary setup for using it with Apache (proxied through Nginx), as well as the setup of a repository, and the use of hooks to automatically update a live (non-production) working copy. Basic… Continue reading Setting up Subversion