Mary Rose Cook

@maryrosecook

I've made programming environments, compilers, video games, a version of Git in JavaScript. I work .

London, England
Joined March 2007

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  1. Jan 2
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  2. 29 Dec 2018

    let array = []; array[5000000000] = "foo"; console.log(array.length); // 1. What would you expect to be printed? // 2. What is actually printed (in Chrome)? // 3. Why? // 4. What's the highest number that will produce the expected behaviour?

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  3. 13 Dec 2018

    Metaphors We Live By, George Lakoff and Mark Johnson

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  4. Retweeted
    6 Dec 2018

    We're offering $10,000 Fellowships to women working on open source programming projects, research, and art for our batch starting Jan 7. 50% of funding is reserved for women, trans, and non-binary people of color. Apply now: Please help spread the word!

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  5. 18 Nov 2018

    Need a good movie to watch tonight? Reply with your favourite 5 movies and I'll recommend one.

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  6. 11 Sep 2018
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  7. 3 Sep 2018
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  8. 23 Aug 2018

    Hello, Oakland and SF.

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  9. Retweeted
    6 Aug 2018

    📝 I've written about Geokit, my mapping system : It's a pretty detailed explanation of both 'what it does' and 'how it's made' which might help illustrate what's so unique about Dynamicland

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  10. 3 Aug 2018

    Reconciling cultural differences when parenting has been really hard. In the final act of This Little Piggy, does the piggy...

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  11. Retweeted
    27 Jul 2018

    What we mean by self-directed and community-driven education:

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  12. 24 Jul 2018

    I often sing to my son as I rock him to sleep. He is really into Like a Rolling Stone.

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  13. 23 Jun 2018

    Best rigorous, modern, beginner's guide to HTML and CSS for someone who can already program well in other languages?

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  14. 21 Jun 2018

    Get a more precise understanding of code execution:

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  15. 8 Jun 2018

    Improve your ability to read code accurately: (An experiment. Would love feedback!)

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  16. 5 Jun 2018

    My new talk. An intuitive introduction to writing efficient code -

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  17. 2 Jun 2018

    I made a very simple game called One. Most enjoyable on a phone.

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  18. 19 May 2018

    The most useful keyboard shortcut I've learnt in ages: ⌘L to put the cursor in the browser's address bar.

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  19. 13 May 2018

    Giving a talk about algorithmic complexity. Aim: use only a whiteboard and pens. No maths, no code, no slides.

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  20. 4 Apr 2018

    How do you learn in a way that maximises the speed of your future learning?

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