The Art of Refactoring
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The slides for a presentation of mine on various aspects of Ruby code and things to look for to help improve the readability, efficiency, and maintainability of ones code.
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Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-and-domino-license-cost-reduction-in-the-world-of-dlau/
The introduction of DLAU and the CCB & CCX licensing model caused quite a stir in the HCL community. As a Notes and Domino customer, you may have faced challenges with unexpected user counts and license costs. You probably have questions on how this new licensing approach works and how to benefit from it. Most importantly, you likely have budget constraints and want to save money where possible. Don’t worry, we can help with all of this!
We’ll show you how to fix common misconfigurations that cause higher-than-expected user counts, and how to identify accounts which you can deactivate to save money. There are also frequent patterns that can cause unnecessary cost, like using a person document instead of a mail-in for shared mailboxes. We’ll provide examples and solutions for those as well. And naturally we’ll explain the new licensing model.
Join HCL Ambassador Marc Thomas in this webinar with a special guest appearance from Franz Walder. It will give you the tools and know-how to stay on top of what is going on with Domino licensing. You will be able lower your cost through an optimized configuration and keep it low going forward.
These topics will be covered
- Reducing license cost by finding and fixing misconfigurations and superfluous accounts
- How do CCB and CCX licenses really work?
- Understanding the DLAU tool and how to best utilize it
- Tips for common problem areas, like team mailboxes, functional/test users, etc
- Practical examples and best practices to implement right away
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HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAU
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
Wir erklären Ihnen, wie Sie häufige Konfigurationsprobleme lösen können, die dazu führen können, dass mehr Benutzer gezählt werden als nötig, und wie Sie überflüssige oder ungenutzte Konten identifizieren und entfernen können, um Geld zu sparen. Es gibt auch einige Ansätze, die zu unnötigen Ausgaben führen können, z. B. wenn ein Personendokument anstelle eines Mail-Ins für geteilte Mailboxen verwendet wird. Wir zeigen Ihnen solche Fälle und deren Lösungen. Und natürlich erklären wir Ihnen das neue Lizenzmodell.
Nehmen Sie an diesem Webinar teil, bei dem HCL-Ambassador Marc Thomas und Gastredner Franz Walder Ihnen diese neue Welt näherbringen. Es vermittelt Ihnen die Tools und das Know-how, um den Überblick zu bewahren. Sie werden in der Lage sein, Ihre Kosten durch eine optimierte Domino-Konfiguration zu reduzieren und auch in Zukunft gering zu halten.
Diese Themen werden behandelt
- Reduzierung der Lizenzkosten durch Auffinden und Beheben von Fehlkonfigurationen und überflüssigen Konten
- Wie funktionieren CCB- und CCX-Lizenzen wirklich?
- Verstehen des DLAU-Tools und wie man es am besten nutzt
- Tipps für häufige Problembereiche, wie z. B. Team-Postfächer, Funktions-/Testbenutzer usw.
- Praxisbeispiele und Best Practices zum sofortigen Umsetzen
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The Art of Refactoring
- 1. The Art of Refactoring
- 2. Me Polyglot : C, C++, Ruby, Java, Scala, JavaScript, Go, Python, etc. Senior Software Engineer : Over 13 years of experience professionally. Math Nerd : Discrete Math (Graph Theory, Number Theory, Information Theory, Model Design, Algorithm Analysis & Design Daniel Marvin daniel@cloudpack.io http://daniel.cloudpack.io Amateur Wormhole Theorist : The speed of light just isn’t fast enough. http://capterra.com
- 3. In Computer Science, as we evaluate and analyze algorithms, we consistently ask ourselves, “Can we do better?” We will ask ourselves a similar question in regards to refactoring. But what is our goal? Why does it even matter? Can We Do Better?
- 4. What’s the Point? While huge improvements have been made with tools for solving problems, we want to ensure we get the most out of our code. We want to make sure that others can read and understand our code — including others like our abstract self — days, weeks, or months after having written the code. We want to make sure that we can easily add to our code without needing to re-write massive portions.
- 5. OMG, that code is $&*#ing horrible!!!
- 9. Many Ways Ruby offers us numerous ways to accomplish the same tasks and this can be good or bad. ! All code is just code. ! However, somethings you don’t want to do.
- 10. Improper use of globals Class name in class methods One or two character variables Unnecessary iterations Multi-purpose methods Things to NOT do
- 11. Classes as data structures Object misuse Memory abuse Less Obvious Bad
- 16. Memory Usage Because Ruby makes things very easy for us, it is also easy to take for granted not needing to manage memory, however when it comes to optimizing code, it is very helpful to have an understanding of the Garbage Collector, how Ruby objects function under-the-hood, and how data is moved around.
- 17. PbV or PbR? Not beer. One important thing to know is how Ruby passes around data. ! Pass-by-value : A copy is made. Pass-by-reference: The memory location is referenced. ! C Ruby does a combination of both! ! J Ruby does a combination of both too, however the way the JVM’s GC works is a bit different, so we’re not going to chat about that today.
- 19. value = “this is a string” value.class #=> String value.object_id #=> 70198768696180 printf("0x%X", (value.object_id << 1)) #=> 0x7FB0D957F6E8 MEMORY BLOCK: 0x7FB0D957F6E8 We Have Ways Of Making Objects Talk
- 21. Thanks and keep hacking!