The J Programming Language

There's a lot of cross-pollination between object-oriented and functional languages these days, but there are entire paradigms whose lessons about programming mostly stand apart. APL derivatives contain many insights about factoring, concision, and the benefits of a simple representation, but the broader programming world is largely ignorant those lessons.

In this talk, Tracy Harms (@kaleidic) will give us a gentle introduction to the J programming language. It's terse and cryptic, looking a bit like a cat walked on your keyboard, but that terseness has a reason. The language is elegant, unique, and mind-bending (actually, -exploding is more like it). With Tracy's expert guidance we'll begin to see what this language has to teach.

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  • Richard Alexander G.

    A very interesting talk. Gave me some ideas for functional programming in Smalltalk.

    April 26, 2013

  • Richard Alexander G.

    quicksort=: (($:@(<#[), (=#[), $:@(>#[)) ({~ ?@#)) ^: (1<#)

    above from Wikipedia

    J: the big APL

    1 · April 26, 2013

  • JF R.

    Wonderful presentation - the format was excellent and Tracy conveyed the true flavor of the J language! Now I hope to learn it some day.

    1 · April 26, 2013

  • A former member
    A former member

    The talk was awesome. I really appreciated the way the speaker started with the basics and gradually built up to more complex and interesting examples. The use of humor and a down-to-earth tone also helped make it engaging and approachable.

    April 25, 2013

  • Derek V.

    Ha! Just noticed this was actually thursday. I know close to nothing about J, can't wait.

    April 24, 2013

  • Tracy

    I'll be speaking at this one!

    April 14, 2013

  • Onorio

    Looks awesome. More of the goodness I've come to expect from DLL.

    April 11, 2013

  • JF R.

    Very intriguing..I'm really curious, and will not miss it!

    April 11, 2013

  • Dianne M.

    Wish I could be there! This sounds like a great talk. Unfortunately, I'll be at a kid swim meet ...

    April 11, 2013

  • A former member
    A former member

    Awesome! I'm really looking forward to this one.

    April 11, 2013

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