Video: The Secret Assumption of Agile - Fred George

Video: The Secret Assumption of Agile - Fred George

(https://www.youtube.com/watch?v=l1Efy4RB_kw)

tasking cycle duration of steps

simple design

(Model: 4 rules of simple design)

book: refactoring

apply refactoring

Book: Refactoring to Patterns - Joshua Kerievsky

apply patterns

learn to write in this style

learn + apply

can learn on the job

(if the team is working this way)

with training  is so much faster

ROI training to write this way

15 days - old style

5 days - learning

12 days - new style

=> break even in 11 days after training

added another pair => productivity increase

OO bootcamp (aka training)

apprentice, journeyman, apprentice

journeyman 2x

master 10x

Course materials

suspicious statements

suspicious methods

suspicious classes

eg. XxxManager, god classes

I do about 5 instance variables

training results

dopouts

• don't have conceptual skills to understand what you're talking about

• tech lead / team lead who can't stand others more performant

predictors:

• conceptual skills

use within a month

WITH others who know how

Q&A

Q&A

Books:

Practical Object-Oriented Design in Ruby - Sydney Mets

Refactoring - Martin Fowler

(either the original in java, or the ruby one in ruby)

Learn to Program (Pragmatic Programmers)

naming conventions

- return value

pairing is very powerful for naming