InfoQ Homepage Dynamic Languages Content on InfoQ
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Simplified CSS Preprocessing with restyle.js
Andrea Giammarchi's restyle.js is a new, JavaScript-based, CSS preprocessor that can run on either the server (via Node.js) or in the browser. It touts itself as "a simplified CSS approach", generating all prefixed variations of CSS rules and properties and, if applicable, inserting them into the DOM.
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CoffeeScript 1.7 Released: Adds Chaining Without Parenthesis, Multiline Strings and More
Jeremy Ashkenas has released version 1.7 of CoffeeScript, and with it introduced some highly anticipated changes to the popular JavaScript transpiler. Version 1.7 includes one of the most popular requests for the language; support for chaining without parenthesis.
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Ruby On Rails State of Practice Results
Over the past months, InfoQ published three research items on the current state of Ruby on Rails practice. Now the results are in and we're taking a look at what tools Rails developers currently use.
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Community-Driven Research: Ruby On Rails State of Practice - Testing
InfoQ's research initiative continues with an 16th question about: "Ruby On Rails State of Practice: Testing". 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.
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Tim Fox: What's new in Vert.x 2.0
In recent years, new trends like mobile clients and social networks forced web applications to handle more and more concurrent connections. This resulted in new server architectures based on eventing and asynchronicity which you can find for example in Vert.x. Tim Fox told InfoQ what's new in version 2.0 of Vert.x.
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Dart-Compiled Dart Compiler Compiles Dart Code in Browser
Google has relaunched try.dartlang.org, the online playground that allows users try out Dart without having to download and install the Dart SDK. Unlike its predecessor, the new version compiles Dart code to JavaScript in the browser and, as a result, also works offline. It also supports dart:html, Dart's library for HTML DOM manipulation.
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Dart's M4 Release Stabilizes Core Libraries
The Google Dart team has released milestone 4 of its SDK. While the language had already stabilized in previous milestones, this M4 release stabilizes some core libraries. Performance has also improved. The DartVM, which runs Dart natively, is now between 160% (for the DeltaBlue benchmark) and 200% (for the Richards benchmark) faster than v8. The release also includes the faster dart2js compiler.
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Dart2js Outperforms Hand-Written JavaScript in DeltaBlue Benchmark
Google released a new version of the Dart2js compiler, whose generated JavaScript code now outperforms hand-written JavaScript in the DeltaBlue benchmark, a commonly used benchmark for benchmarking object-oriented languages.
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Blossom Switches to Dart
In a blog post, Thomas Schranz has announced that his company will be porting their Blossom product, a web-based Kanban board for product teams, to Dart, Google's new web programming language and platform that can be used as a replacement of JavaScript.
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PeerJS 0.1.7: A WebRTC Wrapper For P2P In The Browser
Michelle Bu and Eric Zhang announced the release of PeerJS 0.1.7 on March 6th as a wrapper around WebRTC, a W3C initiative meant to facilitate P2P communication in the browser.
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Nashorn Voted In as a Successor to Rhino in the OpenJDK Project
The current OpenJDK members have voted Oracle's Project Nashorn, a new JVM-based JavaScript implementation, as a successor to Rhino which is the current JVM JavaScript implementation. Nashorn is due for release with Java 8 in late 2013. It allows JavaScript to be embedded in Java applications and to develop standalone JavaScript applications.
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Community-Driven Research: What's Your Next JVM Language?
InfoQ's research initiative continues with an 12th question: "What's Your Next JVM Language?". 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.
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Ruby 2.0 Preview 1 Released, Final Release in February 2013
Ruby 2.0's release manager Yusuke Endoh announced the first preview release of Ruby 2.0 and a targeted release in February 2013. InfoQ talked to Yusuke to learn more about the big new features of Ruby 2.0 (Refinements, keyword arguments, Enumerator#lazy, and more) and what users need to know when upgrading.
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Ruby on Rails: 3.2 RC1 Released, 4.0 Will Drop Ruby 1.8.7
The Ruby on Rails team announced the first release candidate of Rails 3.2. New features include a faster development mode, an explain feature for database queries and several smaller features. After 3.2, the next major release of Rails will be 4.0 and drop support for Ruby 1.8.7
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Google Dart Roundup: Dart to JS Compiler Frog, Pre-Built Editor/IDE Binaries, Type System Proposals
Pre-built versions of Dart Editor, the Eclipse-based Dart IDE, are now available, making it easy to try Dart. Frog is a new Dart to Javascript compiler - written in Dart by the creator of the Jython and IronPython projects. Meanwhile the Dart team has been busy explaining the Dart language and proposing features to round out the type system, eg. nullable types and more.