David Till

This tutorial assumes no prior programming knowledge or experience. It starts with basic concepts, and then builds upon them. Each chapter contains a Q&A section, summary, quiz, and a series of exercises which allow the reader to practice using the language features which were just learned.

Teach Yourself Perl in 21 Days

Susan Till

A light hearted read from David's and Sue's versions of the Camino de Santiago in Spain! David is an experienced hiker having walked the Bibbulmun Track in Western Australia, 1000 kilometres in 43 days and Te Araroa Trail in New Zealand, 3000 kilometres in 119 days and more recently the Pacific Crest Trail, 4,200 kilometres in 4 months and 8 days. Life is simple with his backpack full of food, equipment and tent, whereas Sue likes coffees, soft beds and showers. This was a compromise to walk at least once together on their six month backpacking trip around Europe.Walking 800 kilometres in seven weeks, approximately twenty kilometres a day was a challenge for both. David usually walks forty kilometres a day with a personal best of sixty kilometres in a day, so he had to slow down! For Sue this was just a challenge! However with lots of cafes and a hot shower and soft bed at the end of each day to look forward to, it was a great way to spend time in each other's company.David has gone back to packing his tent and continuing to walk the list of walks he wants to accomplish. While Sue is happy to wait at home and edit his journals. When he hikes overseas she will follow him in a train, bus, cruise or just do her own thing. With a husband and wife version of walking the Camino they are different in retelling their stories.Sit back with a coffee or beer and enjoy the read.

I Got Up and Walked the Camino de Santiago with My Other Half

Michael G. Hinchey

G. Goos

Jonathan P. Bowen

J. Hartmanis

Jan Van Leeuwen

This book constitutes the refereed proceedings of the 10th International Conference of Z Users, ZUM'97, held in Reading, UK, in April 1997. The volume presents 18 revised full papers together with three invited presentations by internationally leading experts. The papers are organized into topical sections on real-time systems, tools, logic, system development, reactive systems, refinement, and applications. Also a select Z bibliography by Jonathan Bowen is added. All in all, the book competently reports the state-of-the-art in research and advanced applications of the Z notation.

10th International Conference of Z Users, Reading, UK, April, 3-4, 1997, Proceedings

ZUM'97: The Z Formal Specification Notation

I got up and walked the Te Araroa is a factual account of my end-to-end (through) hike of the Te Araroa trail which runs 3,063 kilometres from the top of New Zealand to the bottom.The official trail was opened in 2012 although it has been in the planning for many years. It is mainly on trails; however, it also passes through some villages and cities.I narrate what I am seeing and feeling and of the people I meet. It will describe to the reader the many high and low points and daily physical and mental challenges that a 119 day end-to-end hike will put the hiker through.Stories of being dropped off by boat into a high security area and how I got out; of being called into Kiwis' houses to stay the night or just to have a coffee; falling down the side of a mountain into a raging icy-cold river and thinking it was all about to end.It was the hike of a lifetime and probably the best way to see New Zealand and its wonderful people.I have now completed several long walks around the world including Pacific Crest Trail this year, however Te Araroa is still one of my favourites.

David Till

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