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Clojure 1.7 Introduces Transducers, Improves Cross-platform Support
Transducers and reader conditionals are the two most important new features in Clojure 1.7, says Cognitect’s Alex Miller. Transducers aim to enable composable algorithmic transformations on different kinds of collections, while reader conditionals can be used to improve Clojure portability across the JVM and JavaScript platforms.
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Build iOS/Android Libraries in Common Lisp with LispWorks
LispWorks 7.0 adds new runtime systems for both the Android and iOS platform to allow the creation of UI-less libraries that can be used in native mobile apps.
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Reimplementing TeX's Algorithms: Looking Back at Thirty Years of Programming
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.
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Survey Finds Clojure Adoption Progresses Year-to-Year
Cognitect has recently published the results of a community survey aimed at finding out "how and for what Clojure and ClojureScript are being adopted, what is going well and what could stand improvement." According to Cognitect, though not a scientific survey, it shows how Clojure has "transitioned from exploratory status to a viable, sustainable platform for development at work."
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Emerging Languages: A Look at The Last Five Years
In a recent article, Alex Payne, organizer of the Emerging Languages Camp, provides insight on how the language landscape has changed in the last five years and how it might change in future. InfoQ has talked with him.
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Racket 6.1 Released
PLT Design has released version 6.1 of Racket, its general purpose, multi-paradigm programming language belonging to the Lisp/Scheme family. Racket 6.1 introduces a new way of handling local recursive variable definitions and several other language features.
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Rebecca Parsons on the ThoughtWorks Technology Radar
In January ThoughtWorks released the latest version of their Technology Radar in which they track what's interesting in the software development ecosystem. The big themes this year are (1) early warning systems and recovery in production, (2) the tension between privacy and big data, (3) the javascript ecosystem and (4) blurring of the line between the physical and virtual worlds.
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Prismatic Adds Data Type Coercion to Schema 0.2
Prismatic have added data coercion in the 0.2 release of their Clojure data description library, Schema. The addition of coercion means that the library doesn’t just reject data that has the wrong types, but it can be configured to modify instances to fit the schema. InfoQ talked to Prismatic's Jason Wolfe about Schema.
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LightTable IDE Goes Open Source, Adds Plugin Support
Chris Granger has open sourced the LightTable IDE with the 0.6 release. Third party plugin support was the highlight feature of the release. InfoQ talked to LightTable creator Chris Granger.
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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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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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core.async: A Different Approach to Asynchronous Programming with Clojure and ClojureScript
While it has been less than a month since the announcement of the core.async Clojure/ClojureScript library, a number of blog posts have been published describing how to use it effectively to avoid "callback hell" in front-end code, and showing off simple code resulting in some impressive demos.
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The Database as a Value
During QCon New York 2013, Rich Hickey gave a talk on functional databases. Hickey is well known for creating the Clojure programming language and is currently developing Datomic, which is a functional database. During his talk, Hickey argued that the useful properties of functional languages: data as values and pure functions, are just as useful in the context of databases.