Exploring Extreme Programming
The Color of Law: A Forgotten History of How Our Government Segregated America. By Richard Rothstein. One interpretation of segregation goes like this: Blacks in the 20th century were treated as second-class citizens, but segregation was not because of the Continue reading Review: The Color of Law
Le Ton beau de Marot, by Douglas Hofstadter. Hofstadter explores “What does it mean to translate?” with dozens of versions of the French poem “A une Damoyselle malady” by Marot. Some try to capture the meaning, others the poetry, others Continue reading Review – Le Ton beau de Marot, by Hofstadter
This post summarizes the material on xp123.com related to refactoring in Swift. Swift Refactorings Divide Class into Class + Extension Extract Protocol Other Refactoring-Related Material Refactoring – articles tagged on xp123.com Resources on Refactoring – pointers to other sites’ materials
Context: You have a class that implements one or more protocols. The class has become long, and it’s confusing to understand what parts are there for the protocols, and what parts are for the class’ internal needs. Solution: Divide the Continue reading Divide Class into Class + Extension (Swift Refactoring)
Extract Protocol lets us generalize our types. Context: You have a class (or other entity), and want to let another class stand in for it in some cases. You could make the other class a subclass. But this couples the Continue reading Extract Protocol Refactoring (Swift) – Elevate Common Behavior
Refactoring – “improving the design of existing code without changing its behavior” – is a key skill in developing software. These resources can help you improve.
Evolutionary design is a strategy to enable incremental delivery of capabilities. Consider two delivery strategies. In one, we plan everything we need, develop, then deliver when everything is ready. In the other, an incremental strategy, we first deliver a minimal Continue reading Evolutionary Design: Techniques and Example
Washington: The Indispensable Man, by James Thomas Flexner. My wife is on a quest to read biographies of each president. I don’t feel the same urge, but I did read one: George Washington.This treatment by James Thomas Flexner is a Continue reading Review – Washington: The Indispensable Man
This article (originally published in Better Software) explores generalization in TDD. The basic notion is that refactoring sets out to not change the behavior of code for any of its inputs, but TDD sets out to change behavior (in the Continue reading Refactoring and Generalization in TDD
How to Invent Everything: A Survival Guide for the Stranded Time Traveler by Ryan North. ISBN 073522014X. You’re tooling through time and your machine goes kaput. Ryan North has your back: You don’t have to wait hundreds or thousands of Continue reading Review: How to Invent Everything