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Meet Elaine: A Persona- Driven Approach to Exploring Architecturally Significant Requirements

Often, requirements elicited from stakeholders describe a system’s functionality but fail to address qualities such as performance, reliability, & availability. Documenting these requirements is often overlooked because there are implicit assumptions that the system will perform to expected levels. This article describes a process developed on the idea of persona sketches to address this problem.

Jane Cleland-Huang
on Dec 15, 2013
Agile Walls

BVCs, TOWs and POWs are very important tools in the agile world but what exactly are they? BVCs are Big Visible Charts, TOWs are Things on Walls and POWs are Plain Old Whiteboards – information radiators all. Using the right wallware and the information they provide can make or break an agile team.

Sharon Robson
on Dec 14, 2013
Web Development

Developing Modular JavaScript Components

While most web applications these days employ an abundance of JavaScript, keeping client-side functionality focused, robust and maintainable remains a significant challenge. This article will present an example of evolving a simple widget from a largely unstructured code base to a reusable component.

Frederik Dohr
on Dec 13, 2013
The Perfect Dev/Test Lab: 10 Principles that make it Possible

Software that drives the business typically takes inordinate amounts of time to develop and test. Now with new technologies able to normalize the private and public clouds the ultimate software development lab is not only feasible but cost-effective as well. To achieve hyper-agile software development, here are key principles for building the next-gen dev/test lab of enterprise DevOps’ dreams.

Rami Tamir
on Dec 12, 2013
DevOps @ large investment bank

This article is part of the “DevOps War Stories” series. In each issue we hear what DevOps brings to a different organisation, we learn what worked and what didn’t, and chart the challenges faced during adoption. This time a very personal story on introducing a DevOps mindset at a large bank. In particular how the automation of configuration and release management processes enabled collaboration.

Niek Bartholomeus
on Dec 11, 2013
Inter-thread communications in Java at the speed of light

Developing a light-weight, lockless, inter-thread communication framework in Java without using any locks, synchronizers, semaphores, waits, notifies; and no queues, messages, events or any other concurrency specific words or tools. Just get POJOs communicating behind plain old Java interfaces.

Aliaksei Papou
on Dec 10, 2013
Key Takeaway Points and Lessons Learned from QCon San Francisco 2013

This article summarizes the key takeaways and highlights from QCon San Francisco 2013 as blogged and tweeted by attendees. Over the course of the next 4 months, InfoQ will be publishing most of the conference sessions online, including 19 video interviews that were recorded by the InfoQ editorial team. The publishing schedule can be found on the QCon San Francisco web site.

Abel Avram
on Dec 10, 2013
Implementing High Performance Parsers in Java

On certain occasions you will need to build your own parser, eg if there is nothing standard that fits the bill. This article walks through the steps of building a high performance parser

Jakob Jenkov
on Dec 09, 2013
Exposing CQRS Through a RESTful API

Command Query Responsibility Segregation (CQRS) is an architectural pattern that segregates reads and writes of a system into two separate models. We propose and demonstrate an approach for building a RESTful API on top of CQRS systems. This approach joins HTTP semantics and resource-based style of REST APIs with distributed computing concerns such as eventual consistency and concurrency.

Ali Kheyrollahi
on Dec 09, 2013
Writing Automated Tests with Jazz Automation

Jazz Automation is a testing framework built to automate and speed up acceptance/functional testing for all types of web based systems or static websites and in any industry. It also lends itself to easily implement automated integration testing. Historically this type of testing has been all manual, labor intensive, and inaccurate.

Dedrick Boyd
on Dec 07, 2013
Beyond Data Mining

In this article, author talks about the need for a change in the predictive modeling community’s focus and compares the four types of data mining: algorithm mining, landscape mining, decision mining, and discussion mining.

Tim Menzies
on Dec 06, 2013
Applying Lean Thinking to Software Development

Lean’s major concept is about reducing waste, meaning anything in your production cycle that is not adding value to the customer is considered waste and should therefore be removed from the process. Steven Peeters explains how you can apply Lean principles in an IT environment.

Steven Peeters
on Dec 05, 2013

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