F# 4.0 has been released for the big three major platforms (Windows, Mac OS X, and Linux). F# 4.0 brings a host of new features, bug fixes, and performance improvements that benefit users of the language whether or not they are writing code in Visual Studio 2015.
JRuby released version 9000, the ninth release of the popular implementation of Ruby for the Java Virtual Machine. InfoQ speaks to Charles Oliver Nutter co-lead of the JRuby project and senior engineer at Red Hat about the release and about Ruby in general.
Apple has announced at WWDC 2015 that they will open-source Swift 2.0 under a permissive open-source license, the object-oriented/functional language released at last year's WWDC, and the standard libraries and compilers will run on iOS, OSX and Linux. Furthermore Apple has simplified the developer programs, allowing developers to build iOS, OSX and watchOS applications with the same membership.
Typesafe's Play team has released version 2.4 "Damiya" of their web framework. By embracing dependency injection, the refactoring towards better modularization that was started in 2.3 has continued in this release. Play 2.4 requires Java 8 and uses Lambdas and Default Methods in Play's Java-API.
Slick, Typesafe's database query and access library for Scala, now supports the Reactive Streams API in the just released version 3.0. This enables developers to query their databases asynchronously and non-blocking. InfoQ talked to Slich Tech-Lead Stefan Zeiger to learn more about the new features and what they've planned for the future.
At Craft Conference 2015, Adrian Trenaman discussed the evolution of the Gilt.com architecture from a monolithic Ruby on Rails application to a cloud-based microservice ‘lots of small applications’ platform utilising Scala, Docker and AWS. Trenaman shared both technical and organisational lessons learnt from the past eight years, as Gilt has grown from a startup to a $1B company.
The recently released Maven 3.3.1 adds support for core extensions to be added to a project through additional metadata as well as using alternatives to the eponymous pom.xml file for building. This has been used to create build scripts for JRuby that build upon Maven but use a JRuby script to represent dependencies and plugins.
Last month, without any official announcement, Microsoft open sourced Bond - a performant serialization system developed and deployed across dozens of mission-critical, high-scale infrastructure projects internally at Microsoft.
Glenn Vanderburg, director of engineering at LivingSocial, gave an interesting recount of his effort to implement TeX’s algorithms in Clojure at the last ClojureConj conference. In the process, he discovered how much programming has changed in the last thirty years.
Exercism.io helps developers to increases their craftsmanship in a language through feedback and discussion. It’s a community and tool where developers can write code and discuss it to strengthen their problem-solving skills. InfoQ did an interview with the creator of exercism Katrina Owen and with Richard Thomson who contributed the C++ language track for exercism.
InfoQ reviews the results of the recent Typesafe survey of Java developers, focusing on the adoption of Java 8, and talks to Typesafe co-founder Jonas Bonér about the impact on Scala adoption for Java developers.
Lang Ext, an open-source library for C# written by London-based Paul Louth, provides a set of helper functions and types that aim to "bring some of the functional world into C#" while trying to look like extensions to the language itself.
Microsoft announced a pre-release of F# 4.0 for Visual Studio 2015 Preview which can be installed through a Visual Studio update package. The update brings improvements to language and tooling features that can positively impact developers' daily life, several commenters said.