Rich Hickey talk on Reducers - A Library and Model for Collection Processing

Rich Hickey explains how to bake an Apple pie...

http://www.infoq.com/presentations/Clojure-Reducers

> Rich Hickey discuses Reducers, a library for dealing with collections that are faster than Clojure’s standard lazy ones and providing support for parallelism.

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ClojureScript: 4 Things That Might Worry You, but Shouldn't

http://jasonrudolph.com/blog/2012/09/11/clojurescript-4-things-that-might-wor...

If you’re on the fence about giving ClojureScript a shot, I hereby present: 4 things that might worry you, but shouldn’t.

The post discusses:

• Debugging
• API Stability
• Quality
• Performance Profiling and Tuning

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Java 6 End of Public Updates extended to February 2013

https://blogs.oracle.com/henrik/entry/java_6_eol_h_h

After further consultation and consideration, the Oracle JDK 6 End of Public Updates will be extended through February, 2013. This means that the last publicly available release of Oracle JDK 6 is to be released in February, 2013.

It’s important to highlight that, as we establish a steady two year cadence for major releases, End of Public Update events for major versions will become more frequent. As a reminder, moving forward, Oracle will stop providing public updates of a major JDK version once all of the following criteria have been met:

• Three years after the GA of a major release • One year after the GA of a subsequent major release • Six months after a subsequent major release has been established as the default JRE for end-user desktops on java.com

For more information see the FAQ on OTN.

http://www.oracle.com/technetwork/java/javase/documentation/autoupdate-166705...

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Foundation: The Most Advanced Responsive Front-end Framework from ZURB

ZURB Foundation is an older competitor to Twitter Bootstrap. They recently came out with version 3. http://foundation.zurb.com/

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Celebration of John McCarthy's Accomplishments

The passing of John McCarthy, on 24 October 2011, received considerable attention in the media and there is an account of his legacy here. A celebration of his accomplishments was held at Stanford on 25 March 2012, as arranged by a committee consisting of Raj Reddy, Nils Nilsson, Ed Feigenbaum and Les Earnest.

Videos from the proceedings are collected on this web page:

http://cs.stanford.edu/jmc

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Clojure/Datomic creator Rich Hickey on Deconstructing the Database

Rich Hickey, author of Clojure, and designer of Datomic presents a new way to look at database architectures in this talk from JaxConf 2012.

http://jaxenter.com/clojure-datomic-creator-rich-hickey-on-deconstructing-the...

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Roman Numerals in Clojure

I saw this post on Roman Numerals in Clojure:

http://www.jayway.com/2012/08/04/a-decimal-to-roman-numeral-converter-in-just...

This is the sort of little programming problem that can stop useful work dead in its tracks. Here's my shot at the problem. I think it reads better in that the recursion just deals with the numbers and the Roman numeral strings are mapped latter. It's also a bit more efficient in the way it tests against the Roman "bases" (as I call them). There's no need to retest against a high base once your interim value has gone below that mark. In any case, my version is quite a bit faster than the other solution in my micro-benchmarks.

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(ns miner.roman   (:require [clojure.test :refer :all])) ;; inspired by ;; http://www.jayway.com/2012/08/04/a-decimal-to-roman-numeral-converter-in-just-a-few-lines/ (def roman-map {1000 "M" 900 "CM" 500 "D" 400 "CD"                 100 "C" 90 "XC" 50 "L" 40 "XL"                 10 "X" 9 "IX" 5 "V" 4 "IV" 1 "I"}) (def roman-bases (sort > (keys roman-map))) (defn roman-addends [n]   {:pre [(< 0 n 4000)]}   (loop [n n bases roman-bases addends []]     (if (zero? n)       addends       (let [base (first bases)]         (if (>= n base)           (recur (- n base) bases (conj addends base))           (recur n (rest bases) addends)))))) (defn roman [n]   (apply str (map roman-map (roman-addends n)))) ;; contrib clojure.pprint/cl-format works but is slow (defn roman-cl [n]   (clojure.pprint/cl-format nil "~@R" n)) (deftest roman-4k   (doseq [n (range 1 4000)]     (is (roman-cl n) (roman n))))

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Rich JavaScript Applications – the Seven Frameworks (Throne of JS, 2012)

Nice summary with links to a bunch of JS app libraries and frameworks:

http://blog.stevensanderson.com/2012/08/01/rich-javascript-applications-the-s...

For many web developers, it’s now taken for granted that such client-side frameworks are the way to build rich web apps. If you’re not using one, you’re either not building an application, or you’re just missing out.

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Journey Through The JavaScript MVC Jungle

http://coding.smashingmagazine.com/2012/07/27/journey-through-the-javascript-...

Fortunately there are modern JavaScript frameworks that can assist with bringing structure and organization to our projects, improving how easily maintainable they are in the long-run.

These modern frameworks provide developers an easy path to organizing their code using variations of a pattern known as MVC (Model-View-Controller).

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An unexpected journey: Announcing a Third Hobbit Movie

Peter Jackson writes:

http://www.facebook.com/notes/peter-jackson/an-unexpected-journey/10151114596...

So, without further ado and on behalf of New Line Cinema, Warner Bros. Pictures, Metro-Goldwyn-Mayer, Wingnut Films, and the entire cast and crew of “The Hobbit” films, I’d like to announce that two films will become three.

It has been an unexpected journey indeed, and in the words of Professor Tolkien himself, “a tale that grew in the telling.”

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