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  • Beerus in 2024

    Dec 30, 2024

    The 2024 is almost over and it is time to look back and summarise the whole year of progress on Beerus.

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  • Learning ECDSA with arkworks-rs

    Nov 22, 2023

    While I was doing-some-blockchain recently, I have found out that Elliptic Curve algebra does not seem to fit easily into u128, so this is a second attepmt, now done properly, using arkworks-rs.

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  • Get rid of typos with typos

    Nov 20, 2023

    Typos in code and comments can be annoying. But they don’t have to be, with typos it is super easy to introduce automated typos checking (and fixing).

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  • Recursive SQL queries over tree

    Nov 17, 2023

    Some 10+ years ago on a job interview I was asked to query the database for the comments tree in a front-end friendly way, meaning no heavy processing/sorting to happen on the back-end. Turns out this question was to check if I knew about the Hierarchical Queries with Oracle (WITH RECURSIVE on other databases), which I did not back then.

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  • What Actor Model is really about

    May 25, 2023

    TL/DR: read [1] and watch [2]:

    1. Actor Model of Computation
    2. The Actor Model (Hewitt, Meijer, Szyperski)

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