Willem and Marc introduce different cultural patterns you can find in software organizations, based on Gerald M. Weinberg's work, and tell how to recognize them, what behavior to expect, and how you can handle unexpected events and change. They show how different agile processes like Scrum, XP, and Lean Software Development fit in, while explaining some common agile failure modes.
Dan Hanley, of Magus, discusses the design principles, architectures and infrastructure of the SaaS frameworks used by Magus to rapidly develop and deploy large-scale, web-based, applications for clients. Along the way he discusses the components of their technology stack and the evolution of their methodology.
Agile development is not about doing a set of practices, it's about a way of "being," it's about learning. How is this learning accomplished? By taking brief pauses after small experiments, even large problems can be solved. In a recent Harvard Business Review interview of Toyota's president, he observed, "...when 70 years of very small improvements accumulate, they become a revolution."
This session addresses abstract notion of simplicity, looks at why it is critical in modern UI design and answers questions: Why does simplicity matter? Is there a meaningful definition of simplicity? Why do design processes and good intentions undermine simplicity? What processes and techniques can software developers use to achieve simplicity?
In this presentation recorded at QCon London 2008, David Harper and Dominique Delarue present the Market Risk System used by BNP to retrieve, store and analyze risk data for all trading activities of their bank.
It is rare to come across a team that are following an agile software method such as Scrum or XP by the book. Most teams create their own "mashup" of agile practices to suit their unique situation. This talk highlights what's on offer in the different agile methods, where different agile practices add value and how to go about blending them into your current approach.
In this video recorded during QCon London 2008, Pete Goodliffe presents two Linux-based audio products with a complete different outcome, software design making the difference.
Betfair is the world's largest betting exchange with a transaction volume the equivalent of over half the combined equity trading volume of every major stock exchange in the world. In response to an increase in transaction volume coupled with a decrease in value per transaction, Betfair launched a number of initiatives to dramatically increase transaction processing capacity and reduce cost.
John Davies discusses technology problems and solutions encountered in the investment banking domain. Issues covered include: transport and data integration, protocols, XML, complex validation, persistence, and scaling via distributed systems. SWIFT MT to MX migration is also discussed.
At QCon 2008, Neal Gafter discusses how to evolve a widely deployed language without causing disruption using planned changes for JDK7 (superpackages, closures, annotations on types, type inference, exception handling, and self types) as an example. He examines how the changes are conditioned by preexisting language design choices, and discusses their influence on API design.
David Chelimsky takes a look at the Ruby Gems system - and a few very useful Gems: hpricot, builder, mocha, hoe, bones, and more.