Knowledge Is Power As Carried Out Inspired by DbC (Design By Contract), I started experiencing the concept from the process of implementing several contracts to clarify whether a client (caller) or a supplier (callee) takes charge of function correctness. I’ve posted several articles recording my learning path about it. Step Inside Design By Contract Nature of Reliabilityuragilecoach.medium.com Implement Design by Contract in Rust

The Servant: A Simple Story About the True Essence of Leadership The Servant: A Simple Story About the True Essence of Leadership [Hunter, James C.] on Amazon.com. *FREE* shipping on…www.amazon.com Its name caught my eyes because my brain suddenly popped up “Servant Leadership” at the first sight. In fact, although the Scrum guide indicates a Scrum master should behave like a servant to coach a team. It does not articulate what the “Servant Leadership” should look like, even if I…

The Most Inspiring Moment These sprints were the smoothest ones I’ve ever gone through since you came to our team. Nothing is valuable than an authentic praise from your colleagues. Last time when we were holding the sprint retrospective, we compared the differences among before/after the Scrum was adopted. …

Practice Makes Perfect I have been investigating the DbC since January and have adopted its spirit in my Rust side project. Along the journey to making use of the practice, I would like to share my thoughts as well as feelings with those who haven’t stepped inside the technique. After all, the most…

A Doubtful Question I was asked a meaningful question after the first internal Scrum training. What do you mean about a Cross-Functional Team? Well, before answering the question, let’s go back to the original description in the Scrum Guide first. Scrum Teams are cross-functional, meaning the members have all the skills necessary to…

Opportunity Comes Without Any Clue I’ve been serving as a technical project manager since Dec., 2021 in a blockchain startup that takes charge of the agile transformation helping them streamline the working process. …

Inheritance Is Bad, Isn’t it? Well, the section topic might be misleading and causes some controversies. In the modern object-oriented design, we tend to pursue loosely-coupling implementations as possible as we can, which seems like a trend. And more and more programmers advocate not to use inheritance because it often results in hard-to-maintain modules as…

Contract Brings Build-In Correctness Last time I wrote a post stating the fundamentals of “Design by Contract”. The concept was first described in 1986 in which Eiffel programming language was developed. It provides engineers a better approach to inspecting whether a module’s functionalities could work as usual based on pre-defined contracts in order to…

Nature of Reliability The ultimate subject of the software development is to make a program run without any further maintenance. It seems magic and unachievable, right? In fact, we are able to approach the target by applying various agile methods to assist a team design verifiable software. In real conditions, software failure is…