Writings on various topics (mostly technical) from Oliver Hookins and Angela Collins. We currently reside in Sydney after almost a decade in Berlin, have three kids, and have far too little time to really justify having a blog.
http://www.puppetlabs.com/blog/modeling-class-composition-with-parameterized-classes/
I'd like to point out a fine blog post by Dan Bode on parametrised class theory and application. No surprises, I've done a lot of work with Dan and our new Puppet implementations reflect this, but I find it to be a very logical way of working.