At the fifth ‘Agile on the Beach’ conference, held in Cornwall, UK, several leading practitioners of agile software delivery presented the state-of-the-art and emerging trends within this domain. Key messages included the need for the more rigorous use of the scientific method throughout the software delivery lifecycle, and the benefits provided by applying agile principles to product development.
At the Golang UK Conference, Peter Bourgon introduced ‘Go kit’, an open source microservice toolkit that can be used to facilitate and standardise the creation of Go-based services within the modern enterprise application stack.
Command Query Responsibility Segregation (CQRS) is the starting point of a change that will have a profound impact on system architecture, Dino Esposito claims in three articles in MSDN Magazine. It’s the first step in an evolution transitioning software architects from the idea of “models-to-persist” to the idea of “events-to-log” and about event-based data instead of data snapshots.
Java has introduced a new option that enable generation of mixed-mode flame graphs in JDK versions 8 and 9. InfoQ speaks to Netflix performance engineer Brendan Gregg about how this option gives application developers a clearer, combined system and JVM profile of their applications than was possible before.
Software architecture is a process; a sequence of strategic design decisions mapping specification and business goals to architecture design, and a thing; a set of views produced by the process that address different stakeholders, Michael Stal states describing how to define a software architecture.
Documentation, one of the great neglected areas of software development, is finally getting some attention, with a number of relatively new tools. For an API documentation can be considered essential. Gregory Koberger is working on a system with the intent of connecting developer documentation more directly to APIs and the API dashboard.
Clojure development on the Android platform has been progressing remarkably in the last few years, allowing developers to use it in fully fledged apps such as SwiftKey’s Clarity Keyboard. Here we will review the current status of tools that support Clojure on the Android platform.
Apache has announced the EOL of version 1 of Log4j. Although Log4j version 2 was released in July 2014, version 1 was maintained until early August 2015. The new version is a full rewrite of the logging library, addressing many of the issues of version 1 and achieving unprecedented performance. Apache has made an effort to ease the upgrade, although advanced users may need some migration work.
Digium, maker of WebRTC platform Respoke, has introduced open-source SDKs for iOS and Android that aim at making it easier to add real-time audio and video communication support to mobile apps. Furthermore, the SDK includes support for instant messaging and uses push notification in order to work even when running offline or in the background.
QCon London 2016 will take place at the The Queen Elizabeth II Conference Centre on March 7-11, 2016 next year, and registration is now open.
After failing with two proof of concept, mainly with scalability issues, when trying to renew their main website the business decided to take a more agile and incremental approach and in a restart of the project inspired by Domain-Driven Design (DDD) having developers talk with domain experts, Chris Patuzzo explains describing the principles of DDD in the context of a real project.
Parse, Facebook-owned provider of a successful Mobile Backend as a service, has open-sourced its SDK for the iOS/OS X and Android platforms.
IOT Design Manifesto 1.0 has been recently released. This manifesto serves as a code of conduct for everyone involved in developing the Internet of Things, outlining 10 principles to help create balanced and honest products in a burgeoning field with many unknowns.
Preparing for problems like partial failure is the best thing you can do when working with distributed systems, Vaughn Vernon explains in a conversation with InfoQ and refers to a blog post by Jeff Hodges noting its down-to-earth approach and practical advices e.g. designing for partial availability, and using capped exponential back off to restore full operation when dependencies are unavailable.
The British newspaper The Guardian has open sourced Grid, their image management service. Grid utilizes numerous modern web-based technologies including AngularJS, Amazon Web Serivces, and ElasicSearch using ECMAScript 6 and Scala. Build by a small developer team over the past 11 months, it is currently used in production and available under a liberal open source license.