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Twitter’s Shift from Ruby to Java Helps it Survive US Election

by Charles Humble on  Nov 09, 2012 6

Twitter's infamous Fail Whale was absent on US presidential election day, even as Twitter's servers were handling a serge of 327,452 "tweets" per minute. The firm was able to handle this level of traffic thanks in part to a gradual shift away from Ruby to Java and Scala

Atmosphere 1.0: Asynchronous Communication For Java/JavaScript

by Kostis Kapelonis on  Oct 31, 2012

Atmosphere 1.0 is a new Java/Scala/Groovy framework that attempts to abstract asynchronous communication between the web browser and the application server. It transparently supports Web Sockets, HTML5 Server Side events and other application server specific solutions when available, with long polling as a fallback.

Community-Driven Research: Why Are You Not Using Functional Languages?

by Dio Synodinos on  Oct 30, 2012

InfoQ's research initiative continues with an 11th question: "Why Are You Not Using Functional Languages?". This is a new service we hope will provide you with up-to-date & bias-free community-based insight into trends & behaviors that affect enterprise software development. Unlike traditional vendor/analyst-based research, our research is based on answers provided by YOU.

Community-Driven Research: Top 20 Web Frameworks for the JVM

by Dio Synodinos on  Oct 09, 2012

InfoQ's research initiative continues with an 10th question: "Top 20 Web Frameworks for the JVM". This is a new service we hope will provide you with up-to-date & bias-free community-based insight into trends & behaviors that affect enterprise software development. Unlike traditional vendor/analyst-based research, our research is based on answers provided by YOU.

Scala Adding Macros to the Language

by Josh Suereth on  Jul 13, 2012 9

The team behind Scala is adding an experimental version of macros in the forthcoming release version 2.10. Scala macros provide an advanced form of compile-time meta-programming.

An Alternative Build System: Gradle 1.0 Released

by Kostis Kapelonis on  Jun 22, 2012 6

Gradle 1.0, a build system powered by a Groovy DSL, has been released. Gradle is compatible with Ant tasks, Maven repositories, and has support for the popular IDEs. It attempts to find the sweet spot between the flexibility of Ant and convention-over-configuration of Maven.

Typesafe Stack 2.0: Scala, Akka, Play

by Bienvenido David on  Mar 15, 2012 9

Typesafe has released Typesafe Stack 2.0, an open source platform for building scalable applications in Java and Scala. The Typesafe Stack includes the Scala programming language, the Akka 2.0 event-driven middleware, the Play 2.0 web framework, and various development tools, that integrate seamlessly with existing Java environments.

Travis CI Announces Support for Java and Plans for Travis Pro

by Manuel Pais on  Feb 23, 2012 2

Travis CI, a cloud-based continuous integration (CI) offering for open source projects on Github, has announced support for Java builds, as well as Scala and Groovy additions. After gaining traction among the Ruby open source community the project is now looking into the possibility of expansion to a hosted CI service (nicknamed Travis Pro).

Effective Scala - Best Practices from Twitter

by Bienvenido David on  Feb 15, 2012 5

Twitter has open sourced its Effective Scala guide. The document is on GitHub and is licensed under CC-BY 3.0. Scala is one of the primary programming languages used at Twitter, and most of the Twitter infrastructure is written in Scala. The Effective Scala guide is a series of short essays, a set of "best practices" learned from using Scala inside Twitter.

Scala IDE 2.0 Adds Refactoring Support

by Alex Blewitt on  Jan 11, 2012 4

Just before Christmas, version 2.0 of the Scala IDE was released. The Scala IDE project, started by Miles Sabin, and later joined by Typesafe to result in a production quality Scala development environment. InfoQ caught up with Typesafe's Iulian Dragos to ask what's new.

Keeping Scala Fresh(er)

by Alex Blewitt on  Dec 09, 2011 13

With Scala 2.10 on the horizon, and recent controversial opinions, what really is the story with Scala's backward compatibility, and how will it affect popular Scala libraries? If Josh Suereth is right, a reboot of the Scala Fresh project proposed by David Pollak last year.

Typesafe Stack Adopts Play Framework

by Rick Hightower on  Dec 08, 2011 3

Typesafe announced the Play framework will be included in the Typesafe Stack 2.0. The Play framework is a Rails/Grails like framework originally focused on Java not Scala. Now the Play framework 2.0 supports Scala and Java as first class citizen. InfoQ catches up with Donald Fischer, President and CEO of Typesafe, to get his thoughts on adding the Play framework to the Typesafe Stack.

Yammer Moving from Scala to Java

by Alex Blewitt on  Nov 30, 2011 24

Yammer is moving from Scala to Java, after finding in a year-long experiment that the benefits provided by writing in a terser language don't outweigh the benefits of the complexities in having to train new employees and debugging performance problems. The email also suggests a number of performance improvements that can be made by avoiding certain patterns.

Scala+GWT Brings Scala to the Browser, New Documentation Site and Scala Days 2012 Announced

by Mirko Stocker on  Nov 28, 2011 7

Scala+GWT makes it possible to run Scala in the browser, the latest release supports most of the language. The new Scala+GWT Eclipse plug-in uses GWT's development mode for faster turnaround. Also, the Scala team announced a new documentation website and the date for 2012's Scala Days conference.

Opinion: Is Scala the new EJB 2?

by Alex Blewitt on  Nov 22, 2011 51

Stephen Colebourne, developer of the Joda Time library and spec lead for the JSR date time improvements to the Java language, has posted a thought-provoking piece on the applicability of the Scala language. He compares it to EJB 2, which he said was the nadir of the Java EE specification as being something which "added more complexity without providing the expected gains."

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