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  • Debugging Outside Your Comfort Zone: Diving Beneath a Trusted Abstraction

    This article takes a deep dive through a complex outage in the main database cluster of a payments company. We’ll focus on the aftermath of the incident - the process of understanding what went wrong, recreating the outage in a test cluster, and coming up with a way to stop it from happening again, and dive deep into the internals of Postgres, and learn about how it stores data on disk.

  • Easy Implementation of GDPR with Aspect Oriented Programming

    GDPR compliance should be a default feature in every application that handles PII (Personally Identifiable Information). Most organizations have an impression that GDPR is a luxury feature that needs special tools to implement. But, we can see that the frameworks and design patterns we already use in our everyday development can very well be used to implement the GDPR rules.

  • Data Oriented Programming in Java

    Project Amber has brought a number of new features to Java in recent years. While each of these features are self-contained, they are also designed to work together. Specifically, records, sealed classes, and pattern matching work together to enable easier data-oriented programming in Java.

  • Adaptability by Agreement: Valuing Outcomes over Imposed Solutions

    In the pursuit of agile at scale, the landscape is dominated by process-driven approaches which are broken. This article explores a solution-driven rollout approach, one that puts authentic agreement on outcomes before solutions. The principles on which it is based are also effective as leadership strategies, where frameworks are resources to draw upon as people find fitting solutions.

  • Managing Technical Debt in a Microservice Architecture

    At QCon Plus, Glenn Engstrand described how Optum Digital engineering devised a method for reliably and predictably paying down tech debt for hundreds of microservices, forming relevant communities and identifying high-risk areas. The communities' collective decisions can be compiled into an actionable roadmap and presented to product managers in a systemic and non-confrontational way.

  • Validation of Autonomous Systems

    This article introduces validation and certification as well as the general approval of autonomous systems and their components, such as those used in automation technology and robotics. It gives an overview of methods for verification and validation of autonomous systems, sketches current tools and show the evolution towards AI-based techniques for influence analysis of continuous changes.

  • Agile Transformation: an Integral Approach

    The book Agile Transformation - Using the Integral Agile Transformation Framework to Think and Lead Differently by Michael Spayd and Michele Madore provides an integral approach to agile transformations. The integral approach operates on all levels, from individuals to teams to the whole enterprise, helping us take multiple perspectives on situations and to think and act from multiple worldviews.

  • The Game Master's Framework for Software Development

    The Game Master Framework for Software (GeMs) combines role-playing concepts with software development, effectively creating a framework to deliver software in complex and chaotic environments. GeMs allows you to use your skills from playing Warhammer, WoW, Dungeons, or dragons, and C’thulu, to create software. GeMs combes gaming tactics with software creation.

  • The Flow System: Leadership for Solving Complex Problems

    The Flow System elevates Lean Thinking in an age of complexity by combining complexity thinking, distributed leadership, and team science into the Triple Helix of Flow, which organizations can use to become more innovative, adaptive, and resilient. This second article on The Flow System dives into the three helixes of complexity thinking, distributed leadership, and team science.

  • 2021 State of Testing Report: Testing Careers, Covid-19, Agile, Coaching & Training, Automation

    The 2021 State of Testing report provides insights into the adoption of test techniques, practices, and test automation, and the challenges that testers are facing. Key topics from this report are testing careers, the impact of Covid-19, agile, DevOps and other methodologies, testing coaching & training, and automation and scripting.

  • The Flow System: Getting Fast Customer Feedback and Managing Flow

    The Flow System elevates Lean Thinking in an age of complexity by combining complexity thinking, distributed leadership, and team science into the Triple Helix of Flow, which organizations can use to become more innovative, adaptive, and resilient. This first article explores the importance of quality, getting fast feedback from customers, the concept of flow, and The Flow System.

  • Applying Stoicism in Testing

    Agility stands for being aware of your environment. There is a specific set of values for a tester that you should stick to; they set limits to what you can deliver as a tester, and within those limits, you can keep your agility. But your values can cause a “collision” with agile people around you, because they don’t have to be perfectly in line with how people apply the agile principles.