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_lm_

HN member
Joined
Fri, Apr 29, 2016, 10:56 PM UTC
HN karma
204
Public activity
24 items

About _lm_

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Recent public activity

  1. comment
    Comment #18658242

    Eeeee ee eeeeeee eee Eeeeeee Eeeeeee! E eeeee!!!

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    Comment #14886988

    I live in a ruralish area--20 minute drive from the local university, but I'm surrounded by farms. I like the solitude and the space. I can't see any of my neighbors--the closest I…

  4. story
    Ask HN: What C++ unit testing framework do you use?

    What C++ unit testing framework are you using, and how do you like it? Is it easy to get started using it? Are there many footguns? I've used Boost in the past, but am debating whe…

  5. comment
    Comment #14634372

    I wonder if closed-access publishing is part of why academia seems so insluated from the "real world". People write for their audience, and if the general public can't read academi…

  6. comment
    Comment #14634260

    It doesn't matter how you get a copy of the paper; the citation is the same either way. Plenty of academics have been passing around PDF copies of papers their libraries don't buy …

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  8. comment
    Comment #14305490

    You might find Idris's totality checking very interesting, if you haven't already seen it! http://docs.idris-lang.org/en/latest/tutorial/typesfuns.html...

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    Comment #13441373

    It's more readable, but using std::function here introduces a second layer of indirection vs using a plain function pointer. More specifically, std::function's operator() is virtua…

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    Comment #13031576

    Zotero will work the way it does with Chrome now: there will be a plugin that integrates with Zotero Standalone, which will continue to be developed using XULRunner. I think this w…

  14. comment
    Comment #12987063

    http://www.ee.ryerson.ca/~elf/hack/recovery.html (Note that 'gnu' in the story is GNU Emacs!)

  15. comment
    Comment #12954413

    I suspect that the float frequency is generally equal to the AC frequency, but I suppose it may be possible for it to be some subharmonic of the switching frequency, assuming you'v…

  16. comment
    Comment #12947051

    Laptops are indeed powered off of DC, which means that there will be a constant voltage measured across the positive and negative pins of the MagSafe plug. However, the voltage mea…

  17. comment
    Comment #12833960

    > To avoid extracting irrelevant features, the TSFRESH package has a built-in filtering procedure. This filtering procedure evaluates the explaining power and importance of each ch…

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    Comment #12178199

    Betteridge's Law of Headlines applies here. Here's a long article on why this is a bad idea: https://www.troyhunt.com/the-cobra-effect-that-is-disabling/

  21. comment
    Comment #12139160

    Last I checked, most places reimburse you about 50 cents/mile for vehicle depreciation and gas. Let's assume drivers pay 15% in taxes, just to make the math easy. $1 - 20 cents for…

  22. comment
    Comment #11920555

    Man, my newest car is 25 years old and I do all the maintenance on all of them (25 years, 30 years, and 32 years old) myself, aside from safety inspections and alignments. I recent…

  23. comment
    Comment #11920429

    I once fixed the alternator pulley on my 1984 VW Rabbit in the parking lot of a gas station in the middle of nowhere in Wyoming using nothing but JB Weld, zip ties, and a piece of …

  24. comment
    Comment #11599304

    For the Map-Reduce transformation, you require f(r(a,b)) = r(f(a),f(b)). This is equivalent to requiring r to be a homomorphism, I think. You could probably generalize that conditi…