Tag: Software design
Updated on August 30, 2018
Base Libraries Should be Stable
In this post I go over the principles that govern package (library) design and one specific issue I have come across several times. Robert C Martin has proposed six Package Principles. Personally I find the (linked) description on… Read More
Updated on August 22, 2018
Clean Architecture: UseCase tests
When creating an application that follows The Clean Architecture you end up with a number of UseCases that hold your application logic. In this blog post I outline a testing pattern for effectively testing these UseCases and avoiding… Read More
Updated on August 20, 2018
The Fallacy of DRY
DRY, standing for Don’t Repeat Yourself, is a well-known design principle in the software development world. It is not uncommon for removal of duplication to take center stage via mantras such as “Repetition is the root of all… Read More
Updated on July 31, 2018
Generic Entity handling code
In this blog post I outline my thinking on sharing code that deals with different types of Entities in your domain. We’ll cover what Entities are, code reuse strategies, pitfalls such as Shotgun Surgery and Anemic Domain Models… Read More
Updated on July 31, 2018
Why Every Single Argument of Dan North is Wrong
Alternative title: Dan North, the Straw Man That Put His Head in His Ass. This blog post is a reply to Dan’s presentation Why Every Element of SOLID is Wrong. It is crammed full with straw man argumentation… Read More
Updated on August 20, 2018
Simple is not easy
Simplicity is possibly the single most important thing on the technical side of software development. It is crucial to keep development costs down and external quality high. This blog post is about why simplicity is not the same… Read More
Updated on August 20, 2018
Implementing the Clean Architecture
Both Domain Driven Design and architectures such as the Clean Architecture and Hexagonal are often talked about. It’s hard to go to a conference on software development and not run into one of these topics. However it can… Read More
Posted on July 14, 2016
Notes: Implementing DDD, chapter 2
Notes from Implementing Domain Driven Design, chapter 2: Domains, Subdomains and Bounded Contexts (p58 and later only) User interface and service orientated endpoints are within the context boundary Domain concepts in the UI form the Smart UI Anti-Pattern… Read More
Updated on July 31, 2018
I T.A.K.E. 2016
Last week I attended the I T.A.K.E. unconference in Bucharest. This unconference is about software development, and has tracks such as code quality, DevOps, craftsmanship, microservices and leadership. In this post I share my overall impressions as well… Read More
Updated on July 31, 2018
Missing in PHP7: Nullable return types
This is the fifth post in my Missing in PHP7 series. The previous one is about Collections. This is a short post, as there really is not much to explain or motivate. Nullable return types As of PHP7,… Read More
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