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How Testability Can Help Teams to Go Faster

by Ben Linders on  Feb 03, 2016

At the Agile Practitioners 2016 conference Huib Schoots talked about testability. He stated that low testability, anything that makes our software hard to test, slows teams down, and explored how testability can be increased.

How Airbnb Uses Net Promoter Score to Predict Guest Rebooking

by Srini Penchikala on  Feb 02, 2016 1

Net Promoter Score (NPS) is a customer loyalty metric used to determine the likelihood that a customer will return to a company's website or use their service again. Airbnb uses NPS extensively in measuring the customer loyalty, as a more effective measurement to determine the likelihood that a customer will return to book again or recommend the company to their friends.

Feature Toggles Revisited

by Grischa Ekart on  Feb 02, 2016

Proper implementation of feature toggles based on a categorisation of their longevity and dynamism helps dealing with their operational complexity according to Pete Hodgson, consultant at ThoughtWorks. In his post he expands Martin Fowler's FeatureToggle pattern and proposes Release, Ops, Experiment and Permission Toggle implementation strategies.

Google Kick-Starts Git Ketch: A Fault-Tolerant Git Management System

by Abraham Marín Pérez on  Feb 02, 2016

Although development has only started, Google has announced their first commits of Git Ketch, a multi-master Git management system that replicates information across multiple Git servers for resilience and scalability. The changes are based on JGit, a Java-based Git server, although other Git servers may be part of the multi-master cluster.

BDD Tool SpecFlow V2 with Parallel Execution

by Jan Stenberg on  Jan 31, 2016 1

Version 2 of the Behaviour-Driven Development (BDD) tool SpecFlow supports parallel test execution and adds support for xUnit 2.0 and NUnit 3.0. As well as an upgrade of all components to .Net 4.5 it’s also upgraded to the new Gherkin3 parser, now used across nearly all Cucumber tools.

Chris Lattner on Swift 3 and Cocoa "Renamification"

by Sergio De Simone on  Jan 31, 2016

In a recent post on the "swift-evolution" mailing list, Swift creator Chris Lattner outlined a few criteria that will guide Swift 3 definition and made clear that it will bring disruptive changes.

CQRS Example Using Axon Framework

by Jan Stenberg on  Jan 31, 2016

Command Query Responsibility Segregation (CQRS) separates the part that changes the state from the part that queries the state in an application. Axon is a Java framework implementing the building blocks of CQRS to help in when building CQRS applications, Dadepo Aderemi, writes in a series of blog post explaining CQRS by building a small demo application based on the Axon Framework.

Parse will Shut Down their Service

by Sergio De Simone on  Jan 29, 2016 3

Kevin Lacker, Parse Co-founder, announced that the Facebook-owned DBaaS platform will wind down its operation to be fully retired at the end of January 2017. This announcement gave rise to many complaints from developers, yet Facebook is trying to make the transition easy and several alternatives are available.

Ansible 2.0 Generally Available Shortly After Red Hat Acquisition

by Guillermo Beltri on  Jan 29, 2016

Ansible Inc. has recently released Ansible v2.0. With this version the company makes a great refactoring effort while trying to maintain backwards compatibility with existing playbooks. The announcement includes improvements like handling exceptions in blocks, bringing new strategies when executing different tasks or improving connection with other services through modules.

OCaml Now Ready for iOS Development

by Sergio De Simone on  Jan 28, 2016

San Francisco-based programmer Edgar Aroutiounian has recently created a package for OCamliOS, an OCaml cross-compiler for iOS recently made available by Jeffrey A. Scofield that should eventually be merged into the official OCaml compiler. InfoQ has spoken with Aroutiounian.

Oracle to Deprecate Java Browser Plugin in 2017

by Charles Humble on  Jan 28, 2016

Oracle has announced that it will deprecate the Java browser plugin as part of the JDK 9 release now expected in 2017. The deprecated technology will be completely removed from the Oracle Java Development Kit (JDK) and Java Runtime Environment (JRE) in a future Java release, but Oracle is yet to indicate which one.

Clojure 1.8 Improves Performance and Development Experience

by Abraham Marín Pérez on  Jan 27, 2016

Earlier this month, Alex Miller, one of the main developers behind the Clojure Community, announced the latest version of Clojure. The flagship new features of Clojure 1.8 are Direct Linking, String Functions and Socket Servers, although it also includes a few minor enhancements and more than thirty bug fixes.

Release 1.0 of Suave, a Web Server and Development Library for F#

by Pierre-Luc Maheu on  Jan 27, 2016

Suave 1.0 was recently released, bringing a new web development library to .NET. Suave packs a light, fully async web server and a semantic model to describe HTTP processing pipelines. Suave runs on multiple platforms and operating systems, including Windows, OSX, Linux, .NET and Mono. While it could be used from any .NET language, Suave combinators and types are designed to be used from F#.

Interview with Henrik Feldt on Suave 1.0

by Pierre-Luc Maheu on  Jan 27, 2016

Suave 1.0 was recently released after several years of active development. InfoQ reached out to Henrik Feldt, maintainer of Suave and CEO of qvitoo, to learn more about its capabilities and development history.

Father of AI Marvin Minsky Dies

by Alex Blewitt on  Jan 26, 2016

The father of AI, Professor Marvin Minsky, died on Sunday of a brain haemorrhage. InfoQ looks back at the contributions he made in inspiring a whole new field.

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