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Culture & Methods Follow 484 Followers

Jeff Patton on Fixing Agile Product Ownership

by Shane Hastie Follow 17 Followers on  Mar 23, 2018

At the recent Agile India conference, Jeff Patton gave a keynote talk in which he challenged the way agile development approaches Product Ownership. He holds that product management is a discipline which was around before the Scrum term Product Owner was coined, and the way it has been applied in most agile organisations is, at best, a watered-down approach and real product management is needed.

Culture & Methods Follow 484 Followers

Alan Cooper on Working Backwards for Better Product Design

by Shane Hastie Follow 17 Followers on  Mar 12, 2018

At the Agile India conference, design expert Alan Cooper gave a keynote talk on Working Backwards in which he described an approach to design and innovation centered on three key elements: know your user and their goals, see possible solutions, and see the big picture.

Architecture & Design Follow 1628 Followers

Retroactive and Future Events in an Event Sourced System

by Jan Stenberg Follow 26 Followers on  Feb 09, 2018

When Thomas Pierrain started a new project with an asset management company, one important requirement was the ability to go back in time to understand why they took decisions that today look strange. At the recent DDD Europe 2018 conference in Amsterdam, Pierrain discussed his experiences when building an event sourced system that included some temporal challenges.

Architecture & Design Follow 1628 Followers

Evolving CQRS and Event Sourced Systems

by Jan Stenberg Follow 26 Followers on  Feb 07, 2018

After talking with people about upgrading of CQRS and event sourced systems, Michiel Overeem came to the conclusion that many working with event sourced systems lack an understanding and don’t know how to approach the problem. At the recent DDD Europe 2018 conference in Amsterdam he described how this was a trigger for him to do an exploratory research on how to evolve this kind of system.

Architecture & Design Follow 1628 Followers

Eric Evans: Practicing Domain-Driven Design

by Jan Stenberg Follow 26 Followers on  Feb 06, 2018

For Eric Evans, who gave a keynote at the recent DDD Europe 2018 conference in Amsterdam, it’s important to explore and practice building software. He enjoys working with strategic patterns in Domain-Driven Design (DDD), but what he finds really interesting is taking a difficult domain and reason about it differently; breaking out of the mental box trying to find new concepts.

Culture & Methods Follow 484 Followers

How Technical Practices Support Evolutionary Architecture and Continuous Delivery

by Ben Linders Follow 18 Followers on  Dec 21, 2017

Technical practices of XP such as TDD, Refactoring, CI and Pair Programming support emergent design and enable evolving your architecture. The first practice you need for continuous delivery is CI, committing to mainline every day. Being able to write clean, well-factored, and well-tested modular code is the most important skill for developers.

Architecture & Design Follow 1628 Followers

Vaughn Vernon Uses Reactive DDD to Model Uncertainty in Microservices

by Thomas Betts Follow 19 Followers on  Oct 09, 2017 6

Microservices and reactive systems bring with them uncertainty about messages arriving out of order, multiple times, or not at all. How to react to such uncertainty is a business decision, says Vaughn Vernon, and is best captured by modeling the uncertainty using concepts of Domain-Driven Design.

Web API Follow 207 Followers

PayPal’s API Style Guide and Patterns

by Abel Avram Follow 5 Followers on  Sep 22, 2017

PayPal has created their platform as services connected to each other through RESTful APIs. They have developed guidelines and design patterns for creating and using these APIs, making them publicly available for other developers to get inspiration for their own projects.

JavaScript Follow 279 Followers

TypeScript 2.5 Released, Adds Language Level Refactoring

by David Iffland Follow 3 Followers on  Sep 04, 2017

Microsoft has released TypeScript 2.5. The release is light on new language features, but has some new abilities including basic refactoring built into the language service itself.

Architecture & Design Follow 1628 Followers

Selecting an Event Architecture

by Jan Stenberg Follow 26 Followers on  Aug 24, 2017

When designing a distributed system, maybe based on microservices, and you are considering an event architecture, there are several models and technologies available. When choosing how to implement the architecture the non-functional requirements are a main factor, David Dawson claims when describing different styles of event architectures in a recent blog post.

Architecture & Design Follow 1628 Followers

Process Managers in Event-Based Systems

by Jan Stenberg Follow 26 Followers on  Jul 28, 2017 1

Publishing events to notify about changes in a domain keeps different domains decoupled from each other, but if there really is a logical flow of events it becomes implicit and hard to follow. A better solution is to use a Process Manager to keep track of the overall process, Bernd Rücker stated in his presentation at this year’s DDD eXchange conference.

Culture & Methods Follow 484 Followers

The Importance of Learning, Psychological Safety, and Continuous Delivery: Agile on the Beach 2017

by Daniel Bryant Follow 548 Followers on  Jul 19, 2017

At the Agile on the Beach 2017 conference, run in Cornwall, UK, several hundred speakers and attendees gathered to discuss the latest developments within the field of agile and post-agile software development methodologies.

Architecture & Design Follow 1628 Followers

Capture - Embed - Protect, Guidelines for Domain-Driven Design

by Jan Stenberg Follow 26 Followers on  Jul 07, 2017

When using the core philosophy and the practices of DDD as guidelines for software design and development, they can be summarized in three principles: Capture – Embed – Protect, Steven A. Lowe claimed in his presentation at this year’s DDD eXchange conference. Capture the domain model. Embed the model in the code. Protect the domain model from corruption from other domains.

Culture & Methods Follow 484 Followers

Q&A with Michael Ong on Cycling and Agile and the Value of UX

by Shane Hastie Follow 17 Followers , Hugo Messer Follow 1 Followers on  Jun 16, 2017

Michael Ong is a product and user experience expert based in Singapore. He spoke to InfoQ about his shared passions of cycling and agile and how they are complimentary, the importance of good listening skills in user experience design, the tech industry in Singapore and Indonesia, and his talk at the upcoming Agile Indonesia conference.

Cloud Follow 223 Followers

Google Invests in Cognitive: Cloud Speech API Reaches General Availability

by Kent Weare Follow 8 Followers on  May 06, 2017

In a recent blog post, Google announced their Cloud Speech API has reached General Availability. The Cloud Speech API allows developers to include pre-trained machine learning models for cognitive tasks such as video, image and text analysis in addition to dynamic translation. The Cloud Speech API was launched, in open beta, last summer.

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