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Scala Turns Ten Today
Ten years ago today, the first release of the Scala language was announced on the comp.lang.scala newsgroup. It's come a long way in ten years; what will the next ten years be like? InfoQ looks back.
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Om: Enhancing Facebook's React with Immutability
Om is a new a ClojureScript interface for Facebook’s React HTML UI library. Om uses Clojure(Script)'s persistent data structures and requestAnimationFrame to further improve React's rendering. InfoQ talked to Om's creator, David Nolen, about Om and the benefits of functional concepts for application programming.
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A Few Highlights from QConSF2013- Part 2 of 2
It's one thing having an in-house training program. But there is a certain deeper insight that can be gained from attending a Q-Con conference in person. Which may be one reason why attendance at the globe-hopping event continues to grow.
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A Few Highlights from QConSF2013- Part 1 of 2
On each day of the 3-day conference at the inviting environs offered at the Hyatt there was a jam-packed schedule of speakers, exhibits and activities that made for some difficult decisions as to which tracks and what happening to attend.
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Vaughn Vernon: Reactive Domain-Driven Design
Vaughn Vernon, author of Implementing Domain-Driven Design, recently talked about using Scala and the Actor Model implementation Akka together with Doman-Driven Design as a means to remove some of the architecture overhead typically found in event-driven or hexagonal architectures.
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Oracle Releases Videos and Slides from the 2013 JVM Language Summit
Oracle have released videos and slides from the 2013 JVM Language Summit, which saw uses of the JVM from the biggest data to the smallest mobiles, and future performance advances in the JVM runtime. Read on to find out more about what was covered.
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Core.Typed Adds an Optional Type System to Clojure
core.typed adds an optional type system to Clojure, aiming to combine the best of both worlds: the brevity and flexibility of Clojure and the safety guarantees that a type-checker provides.
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Ceylon Is Feature Complete
Gavin King, leader of the Ceylon project, has announced the availability of M6 release, which has also been tagged as Ceylon 1.0 Beta, the language been considered feature complete. This release includes complete language specification, a command-line toolset – compilers for JVM and JavaScript VMs, documentation compiler –, an SDK, and an Eclipse-based IDE.
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JRuby 9K Expected in 2014 Ready for Production
Charles Nutter, one of the lead developers of JRuby, announced the release of version 9000 (9K) in 2014. The new release targets the same feature set as Ruby MRI 2.0 and possibly 2.1 as well. Better performance, concurrency support and overall availability and portability provided by the use of the JVM can make this version suitable for production systems.
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Grails 2.3 GA Released
The 2.3 GA version of the Grails web framework was released this week. The release came in the midst of the SpringOne 2GX conference, and some of the new version's features were demonstrated during the second night keynote by Grails project lead, Graeme Rocher.
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Ruby 2.1 Garbage Collection to Address Criticism on Large Scale Deployments
Ruby’s creator announced the move to generational garbage collection in Ruby 2.1 in what is expected to be an important performance boost for the language. The announcement took place during Barcelona Ruby Conference where Ruby’s GC was singled out as a major pain point in large scale Ruby deployments.
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Xtend 2.4.3 Extends Active Annotations to the File System
After active annotations were introduced in Xtend 2.4, they received an API for accessing the file system with version 2.4.3. Active annotations let developers influence the way, Xtend source code is translated to Java source code. With the help of the new file system API, further artifacts like property files or fingerprints and digests can be derived from Xtend sources.
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Reactive Programming as an Emerging Trend
Reactive programming (RP) is based on data flows and the propagation of change, with the underlying execution model of a programming language automatically propagating changes through the data flow. With the popularity of event-driven, scalable, and interactive architectures both on the server and the client, the concept of “reactiveness” is increasingly gaining attention.
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Scaling Twitter to New Peaks
For many of us Twitter has become an essential communications utility. Since experiencing scalability problems in 2010, Twitter has moved to a loosely coupled service oriented architecture based on the JVM, allowing it new levels of scalability and feature agility. Twitter engineering recently reported a new record throughput and took time out to describe their new architecture.
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Oracle Resurrects getCallerClass, At Least for Now
Oracle has reversed their decision to remove the method sun.reflect.Reflection.getCallerClass(int) in Java 7u40. The method is planned to remain at least through Java 7.