design

Conference Presentations

Keynote: Know the Way, Show the Way, Go the Way: Scaling Agile Development
Video

Tired of the claims that Scrum, XP, and kanban don’t scale beyond a few teams? Overwhelmed by management’s resistance to the organizational changes needed to really follow agile principles? Concerned with the lack of proven practices required to scale agile methods to the next level?

Dean Leffingwell, Leffingwell LLC
A UX Strategy for Persona Research
Slideshow

Research into your users’ personas can provide deep insights into their needs and validate your product design. This research doesn’t have to take months; it can often be done in two weeks, during sprint 0. Unfortunately, many companies using agile methods don’t invest in personas and a...

Nellie LeMonier, Perforce Software, Inc.
Behavior-Driven Design in Practice
Slideshow

One of software development’s  greatest challenges is combining business needs with technical abilities to build products that customers want. Many development methodologies attempt to achieve this, but Nir Szilagyi and Janarthanan Eindhal think that few connect the dots as well as...

Nir Szilagyi, eBay, Inc. & Janarthanan Eindhal, eBay, Inc.
Right-sized Architecture: Integrity for Emerging Designs
Slideshow

In agile projects, design ideally "emerges" over the course of development. However, if teams primarily focus on independent user stories, they risk losing sight of the product's vision and the integrity of well-thought-out architecture. Ken Kubo shares techniques he's used to improve the chances that a product's design will emerge into a cohesive and coherent architecture that serves its customers for many years. Join Ken to find out how you can incorporate contextual design principles and simple, visual techniques as part of his "A-Little-Before-Its-Time Design" framework. You can add these practices into your agile workflow to maintain a shared team understanding of your product's vision and the system's emerging design. Ken believes that you can only realize all the promises of agile development with a clearly and constantly communicated product vision and a set of architecture goals.

Ken Kubo, Northrop Grumman Corporation
Mock Objects: From Concept to Code
Slideshow

Mock objects are simulated objects that mimic the behavior of real objects in controlled ways. Because many code modules interact with external entities-things like databases, networks, file systems, third-party frameworks, and even the clock-these entities often cause us big-time trouble during unit testing. These entities can slow down our unit tests, produce unpredictable results, and have dangerous side effects. The best unit tests are decoupled from these external entities. Rather than try to control the entities, you can create mock objects to simulate their functionality. With a tangible example in the form of a short play, Rob Myers introduces mock objects and provides a brief history of their "relatives"-stubs and fakes. Then, with an animated, nearly-worst-case example, Rob presents code he developed to "mock out" nasty dependencies and create safe, predictable unit tests.

Rob Myers, Agile Institute
The Why and How of Usability and User Experience (UX) Testing
Slideshow

Although usability and user experience may seem synonymous, they are separate and much different concepts. While usability is well defined in standards, UX has no agreed upon definition because it relates to a more nebulous attribute-user satisfaction. Both are, however, key ingredients for successful system deployment. Because they don’t know how to measure and evaluate UX, many teams ignore this important attribute until the end of development. Philip Lew discusses how to model both usability and UX by breaking each attribute down into measurable characteristics-learnability, user effectiveness, user efficiency, content quality, user errors, and more. Phil shows you how to derive measurements and metrics that your development and team can employ to benchmark, analyze, and improve both usability and UX.

Philip Lew, XBOSoft
Database Development: The Object-oriented and Test-driven Way
Slideshow

As developers, we've created heuristics that help us build robust systems and employed test-driven development (TDD) to improve code design and counter instability. Yet object-oriented development principles and TDD have failed to gain traction in the database world. That’s because database development involves an additional driving force-the data. Max Guernsey shows how to treat databases as objects with classes of their own-rather than as containers of objects-and how to drive database designs from tests. He illustrates a way to give these database classes the ability to upgrade old data without introducing undue risk. Max also shares how to apply good object-oriented design principles to database classes and how to enforce semantic connections between databases and clients.

Max Guernsey, Hexagon Software LLC
Danger! Danger! Your Mobile Applications Are Not Secure
Slideshow

A new breed of mobile devices with sophisticated processors and ample storage has given rise to sophisticated applications that move more and more data and business logic to devices. The result is significant and potentially dangerous security challenges, especially for location-aware mobile applications and those storing sensitive or valuable data on devices. To counter these risks, Johannes Ullrich introduces and demonstrates design strategies you can use to mitigate these risks and make applications safer and less vulnerable. Johannes illustrates design patterns to: co-validate data on both the client and server; authenticate transactions on the server; and store only authenticated and access-controlled data on the client. Learn to apply these solutions without losing access to powerful HTML5 JavaScript APIs such as those required for location-based mobile applications.

Johannes Ullrich, SANS Technology Institute
It's a Phone First! How to Test Your Five-star Mobile Apps
Slideshow

Mobile application development shares many similarities-and some stark differences-with traditional web-based development. To build, test, and deploy five-star mobile applications, your organization needs-from inception-a focused test strategy to drive quality. Employing the wrong approaches and tools can leave your business sponsors and clients wondering what went wrong. Will Hurley outlines the current mobile landscape and explains what can and cannot be controlled in the mobile lifecycle. He explores the current landscape and limitations on tools for testing mobile apps, and offers guidance on what-and what not to-automate. With Will's guidance, you’ll learn how to establish a mobile lifecycle test strategy that is both leading edge and practical.

Will Hurley, Will Hurley - Quality and Security Services
Patterns of "Big" Scrum

Software development organizations adopting Scrum have struggled to apply it to big projects with multiple teams. Dan Rawsthorne is frequently asked, “What does ‘big’ Scrum look like?” Because no two organizations are alike, this simple question does not have a simple answer. However, Dan has discovered patterns that are common in organizations that successfully implement “big” scrum. The first pattern he explores-Product Owner Team-allows the organization to handle agility up and down the hierarchy. Dan also discusses the Cross-cutting Teams pattern that handles issues-architecture, usability, integration, performance, and evaluation-that the formal hierarchy can’t resolve. Finally, Dan discusses the BuddyUp pattern to describe the best way to work with subject matter experts from dispersed parts of the organization.

Dan Rawsthorne, Consultant

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