From legacy to DDD - 5 starting steps

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Andrzej Krzywda

The slides from my talk at the awesome Boiling Frogs conference in January, Wrocław, Poland. Powered by ITCorner.

From legacy to DDD
5 starting steps
Andrzej Krzywda

1. Ideal DDD

2. Publish events
UserRegistered
UserActivated
UserDeactivated
UserAssignedToProject
UserMadeProjectManager
UserFinishedProject

3. don’t go async (yet)

4. Escape from the framework

5. learn bounded contexts
Identity&Access
Invoicing
Payments
Ordering
Core

From Legacy to DDD
1. Learn the ideal DDD
2. Publish events
3. Don’t go async (yet)
4. Escape from the framework
5. Learn bounded contexts

Thanks!
@andrzejkrzywda
andrzej@arkency.com

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Following the popularity of "Cloud Revolution: Exploring the New Wave of Serverless Spatial Data," we're thrilled to announce this much-anticipated encore webinar. In this sequel, we'll dive deeper into the Cloud-Native realm by uncovering practical applications and FME support for these new formats, including COGs, COPC, FlatGeoBuf, GeoParquet, STAC, and ZARR. Building on the foundation laid by industry leaders Michelle Roby of Radiant Earth and Chris Holmes of Planet in the first webinar, this second part offers an in-depth look at the real-world application and behind-the-scenes dynamics of these cutting-edge formats. We will spotlight specific use-cases and workflows, showcasing their efficiency and relevance in practical scenarios. Discover the vast possibilities each format holds, highlighted through detailed discussions and demonstrations. Our expert speakers will dissect the key aspects and provide critical takeaways for effective use, ensuring attendees leave with a thorough understanding of how to apply these formats in their own projects. Elevate your understanding of how FME supports these cutting-edge technologies, enhancing your ability to manage, share, and analyze spatial data. Whether you're building on knowledge from our initial session or are new to the serverless spatial data landscape, this webinar is your gateway to mastering cloud-native formats in your workflows.

Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME

Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME

Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME

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How to Troubleshoot Apps for the Modern Connected Worker

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Dubai, known for its towering skyscrapers, luxurious lifestyle, and relentless pursuit of innovation, often finds itself in the global spotlight. However, amidst the glitz and glamour, the emirate faces its own set of challenges, including the occasional threat of flooding. In recent years, Dubai has experienced sporadic but significant floods, disrupting normalcy and posing unique challenges to its infrastructure. Among the critical nodes in this bustling metropolis is the Dubai International Airport, a vital hub connecting the world. This article delves into the intersection of Dubai flood events and the resilience demonstrated by the Dubai International Airport in the face of such challenges.

Rising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdf

Rising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdf

Rising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdf

Tracing the root cause of a performance issue requires a lot of patience, experience, and focus. It’s so hard that we sometimes attempt to guess by trying out tentative fixes, but that usually results in frustration, messy code, and a considerable waste of time and money. This talk explains how to correctly zoom in on a performance bottleneck using three levels of profiling: distributed tracing, metrics, and method profiling. After we learn to read the JVM profiler output as a flame graph, we explore a series of bottlenecks typical for backend systems, like connection/thread pool starvation, invisible aspects, blocking code, hot CPU methods, lock contention, and Virtual Thread pinning, and we learn to trace them even if they occur in library code you are not familiar with. Attend this talk and prepare for the performance issues that will eventually hit any successful system. About authorWith two decades of experience, Victor is a Java Champion working as a trainer for top companies in Europe. Five thousands developers in 120 companies attended his workshops, so he gets to debate every week the challenges that various projects struggle with. In return, Victor summarizes key points from these workshops in conference talks and online meetups for the European Software Crafters, the world’s largest developer community around architecture, refactoring, and testing. Discover how Victor can help you on victorrentea.ro : company training catalog, consultancy and YouTube playlists.

Finding Java's Hidden Performance Traps @ DevoxxUK 2024

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AXA XL - Insurer Innovation Award Americas 2024

AXA XL - Insurer Innovation Award Americas 2024

AXA XL - Insurer Innovation Award Americas 2024

The Digital Insurer

The Good, the Bad and the Governed - Why is governance a dirty word? David O'Neill, Chief Operating Officer - APIContext Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/

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From legacy to DDD - 5 starting steps

1.

2. From legacy to DDD 5 starting steps Andrzej Krzywda

3. 1. Ideal DDD

4. 2. Publish events UserRegistered UserActivated UserDeactivated UserAssignedToProject UserMadeProjectManager UserFinishedProject

5. 3. don’t go async (yet)

6. 4. Escape from the framework

7. 5. learn bounded contexts Identity&Access Invoicing Payments Ordering Core

8. From Legacy to DDD 1. Learn the ideal DDD 2. Publish events 3. Don’t go async (yet) 4. Escape from the framework 5. Learn bounded contexts

9. Thanks! @andrzejkrzywda andrzej@arkency.com