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Large-Scale Agile Design & Architecture: Ways of Working

During my 2011 QCon London keynote on "Scaling Lean & Agile: Large, Multisite or Offshore Delivery", I mentioned — as an aside — that, "Architecture is a bad metaphor. We don't construct our software like a building, we grow it like a garden." This prompted many a tweet, and some people were interested in clarification or elaboration.

Craig Larman
on Mar 18, 2011
Java

Application Security With Apache Shiro

Apache Shiro is a Java security framework that provides simple but powerful approach to application security. This article introduces the framework and explains Apache Shiro’s project goals, architectural philosophies and how you might use Shiro to secure your own applications.

Les Hazlewood
on Mar 14, 2011
mobl: a DSL for Mobile Web Development

Zef Hemel explains mobl, a cross-platform DSL for building mobile applications, detailing language’s constructs, how to create an application, and why it is better than other similar solutions.

Zef Hemel
on Mar 07, 2011
The Top Five Challenges of Building Software Platforms in the Agile World

When scaling Agile to the enterprise new concerns arise that require revisiting the values and practices of Agile software development. One such concern relates to a common strategy to achieve reuse at the enterprise level - building software platforms. This article lists the top five challenges that an Agile organization should expect to face when deciding to adopt a software platform strategy.

Yaser Ghanam
on Mar 07, 2011
Book on Leveraging Domain-Specific Languages by Martin Fowler with Rebecca Parsons

In their new book Martin Fowler and Rebecca J. Parsons address the topic of Domain-Specific Languages. “Domain-Specific Languages” does not only address the concepts behind DSLs, but also tries to explain the subject in a pragmatic manner using examples in Java, C# and other languages.The book contains different patterns that reveal best practices in designing DSLs.

Michael Stal
on Mar 06, 2011
Concurrency Controls in Data Replication

Learn about leading concurrency control mechanisms used for data replication in distributed environments, comparing synchronous and asynchronous implementations with/without locking - techniques used by Oracle RAC, TimesTen, and GigaSpaces and NoSQL databases. Explore tradeoffs among performance, consistency, deadlocks, and conflicting updates in the context of a sample distributed application.

Yongjun Jiao
on Mar 01, 2011
Concrete: Rich, Customizable DSL Editors for the Browser

Text-based DSLs are useful, an custom editor for the DSL is even better. Concrete allows to build customized editors for JSON-based DSLs/Models. InfoQ talks to Concrete's creator Martin Thiede.

Werner Schuster
on Feb 24, 2011
Brian Chess on Static Code Analysis

Building security into software applications from the initial phases of development process is critical. Static code analysis gives developers the ability to review their code without actually executing it to uncover potential security vulnerabilities. InfoQ spoke with Brian Chess about static analysis and how it compares with other security assessment techniques like penetration testing.

Srini Penchikala
on Feb 21, 2011
Matt Tesauro on OWASP Web Testing Environment (WTE) Project

Web Testing Environment (WTE) project, a part of The Open Web Application Security Project (OWASP) organization, makes application security tools available to application developers and QA testers. InfoQ caught up with WTE project lead Matt Tesauro to learn more about the background, current state, various tools it supports and the future road map of the project.

Srini Penchikala
on Feb 14, 2011
Agile Contracts

The traditional Waterfall model fits nicely with the way companies buy things: requirements are drawn up, a supplier quotes a price, and everyone signs a legally binding agreement. Contracts written this way seldom offer the freedom to work using an Agile approach. This article examines four separate models available to suppliers and customers for establishing contracts for Agile work.

Allan Kelly
on Feb 08, 2011
Development

Xtext/TS - a Typesystem Framework for Xtext

Since the release of version 1.0, it has become feasible to build complex expression languages in Xtext. However, once you have expressions, you typically also need a type system. In this article Markus Völter describes a framework for specifying type systems for expression languages built using Xtext.

Markus Voelter
on Feb 07, 2011
Book Excerpt and Interview: 100 SOA Questions Asked and Answered

A new "100 SOA Questions Asked and Answered " book by Kerrie Holley and Ali Arsanjani provides a deep insight into SOA covering a wide spectrum of topics from SOA basics to its business and organizational impact, to SOA methods and architecture to SOA future. InfoQ spoke with Kerrie Holley and Ali Arsanjani about their book.

Boris Lublinsky
on Feb 02, 2011

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