The first keynote was given by Evan Phoenix and it was about memes in the Ruby community. Apparently, the Ruby community loves a good meme.

Dependency injection was a rash in 2004 caused by Java developers. DI wasn't needed, sez Evan, because of the very nature of Ruby (as you can define stuff as late as you like).

Another meme: What's this called:
class << self; self; end;
metaclass, singleton-class, or eigenclass?

Then he discussed the Singleton Pattern which he claimed was almost always a bad idea (more blaming of the Java folks for bring it up) and always bad for testing

Aspect Oriented Programming was a big topic for awhile. (He said that alias_method_chain is all the AOP you really need)

Evan discussed _why the lucky stiff as a meme. There's so many rumors about _why. Who is he and what he does he do when he's not dropping off excellent Ruby code in the middle of the night?

"Chunky Bacon" is a meme in its own right.

Here's a somewhat exhaustive list of other memes he talked about:

• Zed Shaw
• git
• Ruby is too slow
• Macintoshes
• TextMate
• Rails can't scale
• Pixaxe
• Ruby CPAN
• rubygems vs rpa
• ARGV parsers
• DSLs
• BDD
• RSpec Backlash
• Metaprogramming is cool

Evan's take on all this was that the Ruby community loves to have fun. It's a very light on its feet community. This can scare a lot of enterprisey people, but he finds it awesome.

Author: Evan Phoenix

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Summary
This talk goes beyond myths surrounding AOP and shows the real deal. It examines many practical applications implemented with and without aspects, providing a context for scrutinizing AOP. It also discusses ways to adopt AOP in pragmatic, risk-managed ways allowing developers to try AOP in their own system and gain understanding at the experiential level without exposing them to undue risk.

Bio
Author, speaker, consultant, and trainer, Ramnivas Laddad has been developing complex software systems using technologies such as Java, J2EE, AspectJ, UML, networking, and XML for over a decade. Ramnivas is an active member of the AspectJ community and has been involved with aspect-oriented programming from its early form.

About the conference

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Summary
We've come a long way from the first versions of J2EE. We've learned to avoid invasive programming models, we've developed a rich set of frameworks and APIs, we know how to develop apps based around simple objects. Are we there yet? Most of us would answer no. If we're not there yet, then where are we headed next? Spring founder Rod Johnson explores this issue. Recorded at JAOO Sept 2006.

Bio
Rod is the father of Spring. The Spring Framework open source project began in February 2003, based on the Interface21 framework published with Rod's best-selling Expert One-on-One J2EE Design and Development. Rod is one of the world's leading authorities on Java and J2EE development.

About the conference
JAOO is the premier European developer conference on software technology, methods and best practices. The conference presents in-depth presentations and tutorials by researchers, engineers and trend-setters in software engineering and technology.

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Summary
Spring core developers Rob Harrob and Juergen Hoeller talk about what, why, and how of the new features in Spring 2, including XML configuration, custom tags, AspectJ integration, and migrationg to Spring 2. The interview also discusses how to use Spring on large scale projects, common pitfalls with using Spring, and Spring MVC vs. other frameworks. Recorded at the Javapolis conference.

Bio
Juergen Hoeller is co-founder of the Spring project and has been the most active Spring developer since the open source project began. Rob Harrop has been a core developer of the Spring Framework since June 2004 and currently leads the JMX and AOP efforts as well as the Spring Modules project.

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Summary
Ivar Jacobson, one of the founders of UML, RUP, use cases, introduces his vision for a next generation development methodology that is both agile yet large like UP, by having humans collaborate with 'Intelligent Agents'. Ivar also talks about his views on UML, MDA, AOP, and the future. Recorded at JAOO (jaoo.dk).

Bio
Dr. Ivar Jacobson, co-founder of Jaczone AB, continues to be one of the great thought-leaders of the software world. He has made several seminal contributions to the field: he is one of the fathers of components and component architecture, use cases, modern business engineering, the Unified Modeling Language and the Rational Unified Process.

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Summary
Ramnivas Laddad talks about domain aspects, how aspects fit in the design phase, how to model aspects in UML, how to enforce policies with Aspects, how he used Aspects to diagnose production problems including touch threading problems, and using aspects to simplify design pattern implementation.

Bio
Ramnivas Laddad is an author, speaker, consultant, and trainer specializing in aspect-oriented programming and J2EE. His most recent book, "AspectJ in Action: Practical aspect-oriented programming" (Manning, 2003), has been labeled as the most useful guide to AOP/AspectJ. Ramnivas works for Interface21, providers of Spring.

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Summary
AspectJ lead and AOP expert Adrian Colyer briefly talks about Domain Specific Aspects, where business rules and policies and can map to an aspect like solution. Adrian also discusses using AOP to implement design patterns such as Observer/Observable, and AOP adoption.

Bio
Adrian Colyer is the leader of the AspectJ project and a well-known industry expert on AOP. He is a co-author of the book "Eclipse AspectJ : AOP in Eclipse with AspectJ and AJDT," and has also published numerous book chapters, articles and published papers. Adrian is Chief Scientist at Interface21, providers of the Spring Framework.

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Summary
AOP expert Ramnivas Laddad explains how to use Aspects for refactoring cross-cutting concerns within classes (not just across classes) for things like reducing boiler plate code and potential for mistakes. How to recoganize and refactor such logic into aspects is covered, as well as applying aspects for resource management and concurrency control.

Bio
Ramnivas Laddad is an author, speaker, consultant, and trainer specializing in aspect-oriented programming and J2EE. His most recent book, "AspectJ in Action: Practical aspect-oriented programming" (Manning, 2003), has been labeled as the most useful guide to AOP/AspectJ. Ramnivas works for Interface21, providers of Spring.

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Summary
SpringSource CTO and AspectJ project lead Adrian Colyer discusses where Aspect-Oriented Programming (AOP) should be used, practical applications of AOP in enterprise situations such as Hibernate exception translation and automatic operation retry on nonfatal exceptions, and AOP mechanisms in Spring 2.5.

Bio
Adrian Colyer is the Chief Technology Officer for SpringSource (formerly Interface21), the company behind the Spring Framework. He provides direction and oversees development for the products in the Spring Portfolio. Adrian is the leader of the AspectJ project at Eclipse.org, and the founder of the AJDT and Spring OSGi projects.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
Mark Pollack, founder of Spring.NET, talks about shares ideas between the Java and .NET communities and the history of Spring.NET. Topics include how to use dependency injection and AOP for more than just logging and where Spring.NET overlaps with WCF.

Bio
Mark Pollack worked as a Java developer in the late 90s and early 2000, then found shifted to .Net development. During his time as a Java developer he came across the Spring framework. Desiring to continue using it in .Net, he asked permission from the team to go ahead and start a total new code base from the ground up with all that .Net-isms so it would be very natural to .Net developers.

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Summary
Mark Pollack provides an introduction to Spring.NET which can help developers more easily implement and design loosely coupled application architectures. The core concepts in the Spring Framework extend beyond the Java platform and are applicable to .NET. Spring.NET combines the Spring Framework's proven architectural concepts and patterns with additional features specific to .NET.

Bio
Dr. Mark Pollack has worked extensively in the financial sector as an architect and developer involved in a mixture of Microsoft and Java technologies. Mark became a developer on the Spring Java Framework in 2003 and founded its .NET based counterpart, Spring.NET, in 2004. Mark became recognized as a Microsoft Most Valuable Professional (MVP) for his involvement in the technical community.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
InfoQ.com is a web app/portal implemented with the latest in portal technology and web development. This session shows the good, the bad, and the ugly of building InfoQ.com; from (lack of) initial requirements, design/implementation choices, deployment issues, and lessons learned along the way. The talk examines features of the site and their implementation in the web layer, domain model, and DB.

Bio
Floyd Marinescu is co-founder of InfoQ.com and the QCon conference, and was also the creator of TheServerSide.com. Floyd is the author of the best seller "EJB Design Patterns". Alexandru Popescu is Chief Architect and co-founder of InfoQ.com. He is co-founder of the TestNG Framework and a committer on the WebWork and Magnolia projects.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Aspect-oriented programming (AOP) is based on a radical exploration of modularity in software development. By presenting new mechanisms that enable better modularization in a number of systems, AOP is driving us to ask fundamental questions about what modularity should mean in our field. In the past, we have tended to think of modularity in terms of hierarchies of crisply defined blocks, where each block or module defines its interface with the surrounding modules. This idea seems attractive but experience tells us that it is hard to actually get the modularity of the software we build just right. Some issues are hard to code (or design) in a single module, others just don't seem to want to stay where you put them.

Work in AOP and other areas suggests a different conception of modularity, based on crosscutting structures and a more fluid notion of module boundaries. The talk will present existing AOP techniques and the problems they solve, as well as open practical and research problems ranging from mechanisms, to applications, to theoretical formulations and to conceptual foundations.

Google TechTalks May 16, 2006 Gregor Kiczales

Bio
Gregor Kiczales is Professor of Computer Science at the University of British Columbia. His work is directed at enabling programmers to write programs that, as much as possible, look like their design.

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Glassbox is an open source troubleshooting and monitoring agent for Java apps that diagnoses common problems automatically. Drop the Glassbox web application into your server and Glassbox's aspect-oriented programming will discover your existing apps and pinpoint errors and performance issues in plain English. Using AspectJ, Glassbox can provide low overhead effective monitoring without needing to "bake in" instrumentation up front--no code changes or recompilation is needed. Glassbox includes an analysis layer, an Ajax web-client and an automated installer. It is open source and modular, so contributors can add monitors for more problems or additional analysis as desired for their own projects. Glassbox's goal is to automate the daily grunt work of troubleshooting common problems, and free the expert to get back to solving the core technical problems. This talk will illustrate how Glassbox 2.0 identifies problems, how to integrate it into an existing monitoring environment, and how it can be extended to better analyze custom applications without code changes.

Google Tech Talks September 25, 2006

Bio
Ron Bodkin is the leader of the Glassbox project, and spearheads its efforts to revolutionize enterprise troubleshooting by simplifying it and bringing it into the open source technology stack.

Dave Pickering leads engineering for Glassbox, and in a prior life ran Call Center development for Oracle.

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