Interesting Paper: "Objects of value"

I've just read this very interesting paper by Kevlin Henney

• Objects of value

Kata: Mars Rover in Java (recorded)

I've recorded myself using TDD to code the Mars Rover kata in order to be able to later watch me and detect problems to correct.

This is the recording of what I've done so far (all the possible movements of the rover):

• Mars Rover kata recording

If you decide to watch it, please do it at 2x speed (I still write slowly).

These are the commits after each green and every refactoring step.

You can see the code in the using_java_enum branch of this GitHub repository.

Interesting Paper: "Public versus Published Interfaces"

I've just read this great paper by Martin Fowler

• Public versus Published Interfaces

Books I read (January - April 2016)

January
- El Eternauta, Héctor Germán Oesterheld and Francisco Solano López
- Barcelona. Los vagabundos de la chatarra, Jorge Carrión and Sagar Fornies
- Rip Van Winkle, Washington Irving
- La guerra interminable (The Forever War), Joe Haldeman
- Maintanable JavaScript, Nicholas C. Zakas
- Ve y pon un centinela (Go Set a Watchman), Harper Lee
- El nombre del viento (The Name of the Wind), Patrick Rothfuss
- You Don't Know JS: Async & Performance, Kyle Simpson
- Sapiens: A Brief History of Humankind, Yuval Noah Harari
- The Principles of Object Oriented JavaScript, Nicholas C. Zakas

February
- The Leprechauns of Software Engineering, Laurent Bossavit
- The Wise Man's Fear, Patrick Rothfuss
- Fundamentals of Object-Oriented Design in UML, Meilir Page-Jones
- Old Man's War, John Scalzi
- Cevdet Bey e hijos (Cevdet Bey ve Oğulları), Orhan Pamuk
- Ringworld, Larry Niven
- Why Nations Fail: The Origins of Power, Prosperity, and Poverty, Daron Acemoglu and James A. Robinson

March
- The Grumpy Programmer's Guide To Building Testable PHP Applications, Chris Hartjes
- The Grapes of Wrath, John Steinbeck
- The Coding Dojo Handbook, Emily Bache
- Fahrenheit 451, Ray Bradbury

April
- Implementation Patterns, Kent Beck (3rd time)
- The Power of Habit: Why We Do What We Do in Life and Business, Charles Duhigg
- How to Win Friends and Influence People, Dale Carnegie
- Understanding the Four Rules of Simple Design, Corey Haines (2nd time)
- La llamada de Cthulhu (The Call of Cthulhu), El horror de Dunwich (The Dunwich Horror) and Las ratas en las paredes (The Rats in the Walls), H. P. Lovecraft
- The Tales of Beedle the Bard, J. K. Rowling

Interesting Talk: "Good Enough is the enemy of the Good"

I've just watched this wonderful talk by Steve Freeman

• Good Enough is the enemy of the Good