A long lasting advice in the past years has been: favour composition over inheritance. But does this mean inheritance has no more uses? We learned more about this topic when Samir Talwar sparked a conversation on Mastodon about inheritance and its uses, later joined by Rebecca Wirfs-Brock and leading into very interesting insights about the […]
Is Inheritance Good After All? Read More »
A few weeks ago, James Shore has published a novel idea in the area of automated testing. The “Nullable” testing patterns offer a way to incrementally write tests on legacy code and to avoid mocks and design changes for testability, by allowing any class, to implement in addition to the production code a “nullable” implementation
“Nullable” Testing Patterns Read More »
Model View Controller is a design pattern very utilized nowadays. But do you know where it comes from? And did you know that it was first used on a large scale in 1970s? Watch this deep dive into the history of MVC, starting from a Quora answer by Alan Kay. In doing so, you will
The Origin Story of Model-View-Controller Read More »
We analyze and react to the insightful article by Rebecca Wirfs-Brock and Mathias Verraes called “Design and Reality”, that describes how ubiquitous language is different from domain language, and how additional domain elements can be found and influence the problem domain. The article is here: http://www.wirfs-brock.com/blog/2021/09/13/design-and-reality/
DDD vs. the Real World Read More »
Dan North has recently published an article detailing his proposal for replacing SOLID principles with a set of design properties that he named CUPID. We look at his initial article describing his criticism of SOLID principles and at the new article describing the CUPID design properties, and give a verdict: should we all switch to
How do we deliver fast? How do we adapt to a fast changing world? How do we innovate? How do we learn and how others are coping with change and every day challenges? If you are looking for inspiration and a new source of practical knowledge, we are welcoming you to the Mozaic Works video
Think. Design. Work Smart. YouTube Channel Read More »
Let’s be honest, we do not treat frontend code the same way we treat backend code. And it shows. We talk about applying rules of clean code, about keeping it simple, about writing unit tests. Yet, when it comes to writing frontend code, we skip all those rules that we usually self impose. We convinced
The sorry state of frontend code Read More »
The 5th edition of I T.A.K.E Unconference, the only technology agnostic event in Central and Eastern Europe, is taking place in Bucharest, Romania, 11-12 May. With a line-up of more than 30 international speakers, 6 keynotes, 6 parallel tracks, a technical Open Space and many opportunities for coding, the event brings together top-notch software crafters who lead the change in
Artificial Intelligence, IoT, Mobile, DevOps, Software craft and more Read More »
Over the past 6 months, I’ve been working with a customer who develops hardware appliances. They were facing a challenge with complaints from users about one of their products, which appeared a few months in. Needless to say, the cause of such bugs requires long and thorough investigation. Context The hardware appliance runs a real-time OS, which
Testing Strategy for a Real Time Embedded C application Read More »
While a lot of the design principles that we use in software can be found in other design disciplines, there is one very present in UX and graphical design that is very rarely discussed in software circles: consistency. It’s not because we weren’t trying. The system metaphor idea from XP and the conceptual integrity idea
Software Design: Consistency & real life examples Read More »
