Design & Development Principles - XP - Quality Circle - Part 1

As a reminder; CIRCLES! This post is going to talk about the Green Circle. Another reminder is the tight interconnection between all of the components. I posted about the blue Keyboard Circle [https://quinngil.com/2017/04/02/design-development-principles-xp-keyboard-circle/] a while back. It's time to talk about the…

Patterns: Null Object

I've covered never having nulls [https://quinngil.com/2017/10/15/uobjects-no-nulls/] and that's what the NullObject [http://wiki.c2.com/?NullObject] pattern is here to help us with. The NullObject pattern is one that I tried to implement earlier in my career (mostly after reading…

My Thoughts: Pass through vs Base class

A conflict that has come up a few times is using composition and a pass through or a base class I favor pass through; I write it that way Everytime. The other engineer on the project favors a base class. Here's an example of what we've…

Book Review: The Nature of Software Development

TL;DR: I loved the book. Go read it. [https://pragprog.com/book/rjnsd/the] -------------------------------------------------------------------------------- Over the past few years working with a team of XP devs who've been using the XP practices for well over a decade each has taught me a lot. These amazing colleagues…

µObject Poker: Scoring a Hand

I found I'm not a huge fan of the video. I don't tend to put a lot of time and effort into each post; it's an opportunity for me to share research and experimentation with the world; as well as give myself a searchable…

µObjects: Being Cohesive

Cohesion for objects is how well the behaviors in the class belong together. Some very non-cohesive behaviors would be multiplying two numbers and splitting a string. Multiplying and Raising to a power can be very cohesive behaviors. How do µObjects do cohesion? That's what this is about. The…

µObjects: Pizza Shop - Review

The Pizza Shop The Start [https://quinngil.com/2018/01/07/uobjects-pizza-shop/] More µObjects [https://quinngil.com/2018/01/08/uobjects-pizza-shop-uobjected/] New Requirements [https://quinngil.com/2018/01/09/uobjects-pizza-shop-new-reqs/] Calzoned [https://quinngil.com/2018/01/10/uobjects-pizza-shop-calzoned/] The Final [https://quinngil.com/2018/01/11/uobjects-pizza-shop-final-changes/] I started the…

µObjects: Pizza Shop - Calzoned!

The pizza shop is expanding it's offerings! CALZONES! We'll do a 1/2 calzone and a full calzone! $8 and $14 respectively. Based on how we did the Medium pizza last time... Not expecting much work for these. Which... THAT'S THE POINT! µObjects make…