λndres Mariscal

@SerialDev

🇬🇧 Machine learning engineer[former EasyAntiCheat, computer vision now] infosec, graphics, game engine and, compiler development.

Helsinki
Vrijeme pridruživanja: srpanj 2015.
24 fotografije ili videozapisa Fotografije i videozapisi

Tweetovi

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  1. Prikvačeni tweet
    16. velj 2019.
    Odgovor korisniku/ci

    My guidelines for code review: If a linter can deal with it don't say it, If a workaround has been found to an existing issue, recognize its a clever workaround, do not call it hacky, and discuss if it would be worthwhile finding a more stable solution and, mostly just be nice!

    8 proslijeđenih tweetova 53 korisnika označavaju da im se sviđa
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  2. 5. velj

    I will be in San Francisco next week, if anyone wants to grab lunch or something my DMs are open

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  3. proslijedio/la je Tweet
    3. velj

    Our NN is initially in Python for rapid iteration, then converted to C++/C/raw metal driver code for speed (important!). Also, tons of C++/C engineers needed for vehicle control & entire rest of car. Educational background is irrelevant, but all must pass hardcore coding test.

    775 replies 1.918 proslijeđenih tweetova 18.347 korisnika označava da im se sviđa
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  4. proslijedio/la je Tweet
    1. velj

    Some infosec knowledge is useful for months (knowledge of a given campaign), other knowledge, for years, (TTPs), other knowledge, for decades (the halting problem). Here's a "Pyramid of Pain" (cc/ ) inspired model of knowledge in cyber I find useful for myself.

    55 proslijeđenih tweetova 130 korisnika označava da im se sviđa
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  5. proslijedio/la je Tweet
    2. velj

    🙋‍♂️ How do ELF relocations work? Previously, we've found one way a position-independent executable finds its data: RIP-relative addressing. Now, we discuss *another way*: by straight up modifying the executable section, according to the relocation table!

    3 proslijeđena tweeta 9 korisnika označava da im se sviđa
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  6. proslijedio/la je Tweet
    31. sij

    Is there an actual function I can call to find out what errno is when dealing with libc on Linux, or do I have to do icky, presumptive data access that somehow hooks up correctly to a thread-local value and etc?

    9 replies 1 proslijeđeni tweet 19 korisnika označava da im se sviđa
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  7. proslijedio/la je Tweet
    31. sij

    Friday (theoretical) physics fun: is spacetime discrete or not? Normally we assume space is infinitely divisible just like the real numbers: between two points there will always be at least one more point. It is not obvious this has to be true. Matter turned out to be atoms.

    13 replies 36 proslijeđenih tweetova 195 korisnika označava da im se sviđa
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  8. proslijedio/la je Tweet
    31. sij
    Odgovor korisnicima

    Agner Fog is on it! A buttom up, forward compatible redesign of the entire hardware / software stack.

    1 reply 1 proslijeđeni tweet 5 korisnika označava da im se sviđa
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  9. proslijedio/la je Tweet
    31. sij
    Odgovor korisnicima

    The way to understand an OoO core is like statistical mechanics. There are many tiny moving parts whose individual behavior is highly complex and often irregular but whose aggregate behavior is much simpler and fairly predictable.

    1 reply 4 proslijeđena tweeta 12 korisnika označava da im se sviđa
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  10. 31. sij

    First Concert: Busta Rhymes Last Concert: Gerard Way Best Concert: MCR Worst Concert: Jay z Loudest Concert: Nightwish Seen the Most: MCR Most Surprising: Sean Paul Next Concert: Luke Combs Wish I Could Have Seen: Above and Beyond orchestral

    First Concert: David bowie Last Concert: Chicago Symphony Orchestra Best Concert: Pixies Worst Concert: Motörhead Loudest Concert: Motörhead Seen the Most: Metallica Most Surprising: Britney Spears Next Concert: CSO Wish I Could Have Seen: talking heads
    1 korisnik označava da mu se sviđa
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  11. proslijedio/la je Tweet
    31. sij

    So what should they have done? They should have followed what the military calls a "OODA" loop: Observe, Orient, Decide, Act. Take a break, carefully Observe the situation, get Oriented as to who can actually do what, Decide how to proceed *without making things worse*, then Act.

    5 proslijeđenih tweetova 34 korisnika označavaju da im se sviđa
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  12. proslijedio/la je Tweet
    29. sij

    Going fully remote was nice, but the real benefit was in going fully asynchronous. Here are a list of the benefits we've seen at : A thread 👇🏽

    86 replies 682 proslijeđena tweeta 3.111 korisnika označava da im se sviđa
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  13. proslijedio/la je Tweet
    30. sij

    1\ They extorted millions without ever breaching a single system. They being the romancebots unleashed online in 2026. They passed for lovable people, could chat late into the night, could generate selfies and short videos, and there were millions of them.

    1 proslijeđeni tweet 6 korisnika označava da im se sviđa
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  14. proslijedio/la je Tweet
    29. sij

    1\ I've written a little compiler to ship ML models as standalone Yara rules, and done proof of concept detectors for Macho-O, RTF files, and powershell scripts. So far I have decision trees, random forests, and logistic regression (LR) working.

    15 replies 104 proslijeđena tweeta 253 korisnika označavaju da im se sviđa
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  15. proslijedio/la je Tweet
    28. sij

    1\ Surprisingly, you could build a very mediocre PE malware detector with a single PE feature: the PE compile timestamp. In fact, I built a little random forest detector that uses only the timestamp as its feature that gets 62% detection on previously unseen malware at a 1% FPR.

    6 replies 133 proslijeđena tweeta 333 korisnika označavaju da im se sviđa
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  16. proslijedio/la je Tweet
    28. sij

    I've been meaning to do this for yeeeaarrss. No idea why now but finally got around to it. PS: You need your browser window to be large (no space on mobile)

    27 replies 278 proslijeđenih tweetova 1.046 korisnika označava da im se sviđa
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  17. proslijedio/la je Tweet
    29. sij

    Graphics twitter, can anybody point me in the direction of generating the intersecting shape of two 2D shapes? I don't mean just detecting if two shapes intersect, but generating the intersection in the sense of constructive solid geometry.

    15 replies 10 proslijeđenih tweetova 29 korisnika označava da im se sviđa
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  18. proslijedio/la je Tweet
    26. sij

    Some performance tricks when using the RoaringBitmap library

    24 proslijeđena tweeta 48 korisnika označava da im se sviđa
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  19. proslijedio/la je Tweet
    27. sij

    🚨 New On the Metal episode w/ 🚨 Join us as the legendary game designer takes us from collision detection on the Atari 800, through his adventures with the (in)famous Cell processor and the development of his own programming language!

    26 replies 92 proslijeđena tweeta 404 korisnika označavaju da im se sviđa
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  20. proslijedio/la je Tweet
    25. sij

    This is pretty great The code for fighter spaceships from Star Fox is actually included in the ROM for Ocarina of Time, and can be unlocked by a series of in-game actions that cause memory corruption Just discovered

    5 replies 32 proslijeđena tweeta 84 korisnika označavaju da im se sviđa
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  21. proslijedio/la je Tweet
    26. sij
    Odgovor korisnicima

    Computing with normal forms gets more complicated when you have multivariate polynomials but there's algorithms for it. Not to send you down a rabbit hole but this is just intro book:

    1 reply 1 proslijeđeni tweet 1 korisnik označava da mu se sviđa
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