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jaltekruse

HN member
Joined
Tue, Jan 10, 2012, 5:53 PM UTC
HN karma
383
Public activity
126 items

About jaltekruse

Founder of https://freemathapp.org

Have worked on several distributed SQL engines, Apache Drill PMC member, ex-Dremio, experience with Apache Spark.

Hobby interest in video games: Running Scratch games on Arduino - https://www.youtube.com/watch?v=VNvBJx95JAQ

N64 Homebrew - https://n64squid.com/homebrew/roms/tiny-nightmare/

Arduboy game - https://community.arduboy.com/t/old-miner-clone-of-the-flash-game-gold-miner/12014

Wiring your own DIY game console, based on Arduboy schematics - https://www.youtube.com/watch?v=_mCLWn3djL4

Recent public activity

  1. comment
    Comment #48575034

    It feels like at some point we're going to need to re-evaluate the concept of intellectual property. I don't know how to bring about this conversation in a way that broader society…

  2. comment
    Comment #47425442

    Sorry about the link, chrome was showing some old auto fill suggestion near where the clipboard contents appear. It looks like I can't delete posts that include text content and a …

  3. comment
    Comment #47425370

    What the fuck is this, if you hold the home button on android it now enters a special search mode that refuses to let you run a search without sending your whole screen along with …

  4. story
  5. comment
    Comment #47425347

    What the fuck is this, if you hold the home button on android it now enters a special search mode that refuses to let you run a search without sending your whole screen along with …

  6. story
  7. comment
    Comment #47324994

    I've written a short 2.5 hour class for tech newbies to walk them through wiring together their own game consoles in breadboards. So far I've taught it to 90 people in the Twin Cit…

  8. story
  9. comment
    Comment #47309743

    Adding new openly licensed learning resources to the Kolibri offline learning platform. It is designed to be deployed in communities that lack consistent access to the public inter…

  10. comment
    Comment #46071953

    Unfortunately the connection fee does not cover all fixed cost. For a long time the model has been fairly "progressive" in this regard. Some of the fixed costs of the grid have bee…

  11. comment
    Comment #45747023

    I have been involved in open source projects with various structures and sustainability models. Open-core Enterprise software startups, unfunded or underfunded middleware/libraries…

  12. comment
    Comment #43229866

    While I don't agree with the response and long detention. This is the artists current Instagram bio. I understand it is likely hard to get a visa for a week that allows you to work…

  13. comment
    Comment #43229807

    While I think the detention was completely unnecessary and cruel. It appears that her Instagram still lists dates she was planning to be in LA, right after a date range of being in…

  14. comment
    Comment #42308698

    Location: Minneapolis Remote: preferred Willing to relocate: no Technologies: Java/Scala, Apache Spark, Dremio, Apache Drill, Javascript, React, Express, NextJS Resume: https://dri…

  15. comment
    Comment #39055899

    If the format is splittable you generally can get similar benefits, and parquet files have metadata to point a given reader at a specific chunk of the file that can be read indepen…

  16. comment
    Comment #37499823

    https://itch.io/games/tag-godot/tag-open-source You can look through this list for games that have the little "playable in browser" badge, but that doesn't appear to be a search fi…

  17. comment
    Comment #35762143

    I could barely believe this story when a pretty big youtuber had his upstairs neighbor flood his entire apartment, mold started growing everywhere and all his landlord offered was …

  18. comment
    Comment #35591234

    I worked in a factory for a few months as a temp and a bunch of my co-workers that had been with the company for years had this exact thing happen to them, a few years after the 20…

  19. comment
    Comment #34693094

    I see this as just as simple and misguided of a take as noticing that affirmative action is racist. People have been making this argument forever, we passed all laws and did all th…

  20. comment
    Comment #34678097

    Is the top comment on this thread seriously a reverse racism rant? You are right about something, affirmative action is racist, but I feel it is absolutely necessary to try to bala…

  21. comment
    Comment #34540096

    https://freemathapp.org My Open source site where you can record math work like you would write it on paper. Uses a quick copy and edit workflow to save some of the repetitive writ…

  22. comment
    Comment #33971452

    Unfortunately the current (and seemingly somewhat inevitable) architecture of cryptocurrency, relies on trustless distributed systems, which I don't see a clear path to making them…

  23. comment
    Comment #33971369

    I think there is an important missing part of this argument that many of the current paths to move dollars around that network in the traditional system take either days to settle …

  24. comment
    Comment #33584918

    https://github.com/N64brew-Game-Jam-2022

  25. story