Stuart Sierra discusses several design patterns implemented in functional languages, in particular Clojure: State/Event, Consequences, Accumulator, MapReduce, Reduce/Combine, Recursive Expansion, etc.
Jesse Wilson introduces Dagger, a dependency injection framework for Java, covering the motivation behind its creation, examples on how to use it and some of the internal details.
Bob Lee presents persistence queues, the technology stack, the publish-subscribe pattern and dependency injection as used by Square.com.
Rob Daigneau discusses some of the challenges met when creating and maintaining web APIs, impediments and design patterns for web API evolution.
Dean Wampler discusses the merits of several controversial issues: Goto, Design before Code, Design Patterns, Corba vs. REST, Object Middleware and ORMs, and Identiﬁers with Spaces.
John Slaby and Jezz Santos explain how Raytheon has created Factories-in-the-Small useful to rapidly build new tooling such as the Pattern Automation Toolkit developed in cooperation with Microsoft.
Phil Japikse explains SOLID software principles - Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion- and how to apply them using design patterns.
Alex Papadimoulis discusses avoiding over-engineering a program, presenting extensibility types used, extensibility design patterns, when to use them, and what happens when they are incorrectly used.
Michael Wood explains the importance of using patterns in software design, exemplifying with Adapter, Decorator, Command, and several Factory patterns.
Ralph Johnson presents several data parallelism patterns, including related Java, C# and C++ libraries from Intel and Microsoft, comparing it with other forms of parallelism such as actor programming.
Steve Ross-Talbot presents Savara, comprising a set of tools enabling enterprise architects to validate various artifacts against other artifacts based on the “Testable Architecture” methodology.