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Upitor

HN member
Joined
Mon, Dec 21, 2020, 4:14 PM UTC
HN karma
25
Public activity
18 items

About Upitor

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Recent public activity

  1. story
  2. comment
    Comment #44909135

    Feels a little weird, given that there is an easy closed formula for the solutions.

  3. comment
    Comment #43058500

    Where do you see the upcoming support for multidim data? Link?

  4. comment
    Comment #42468828

    In my experience, NWP data is big. Like, really big! Data over HTTP calls seems to limit the use case a bit; have you considered making it possible to mount storage directly (fsspe…

  5. comment
  6. comment
    Comment #30915322

    They are still not syncing directly to the AC grid. They are not going 50 rounds per second

  7. comment
    Comment #29741495

    I see. I should have read the article more carefully :-)

  8. comment
    Comment #29741045

    Also, consider a ‘sales’ table with multiple references to a ‘calendar’ table: [shipped_date], [order_date], [received_date]

  9. comment
    Comment #29741031

    In my opinion this proposal seems only to consider simple cases, but there are many not-so-simple relationsship types: Consider a ‘sales’ table which includes columns [time] and [s…

  10. comment
    Comment #29323667

    The author makes a case against using “valid_from”/“valid_to” columns on your table. But in my experience, that is the only viable solution. Fx joining an employee-table and a depa…

  11. comment
    Comment #29323430

    If he wants to do ML research, why doesn’t he want to do a PhD program? I dont think you can get both: if you do research, there is less focus on making operational software. If yo…

  12. comment
    Comment #29205069

    Isomorphic as vector spaces, meaning that their additive structure is the same. But the complex numbers are usually not used as a vector space, but rather as an algebraic field, i.…

  13. comment
    Comment #28950456

    Would either of these database systems be proper for a case where you have a mix of large measurement data and small reference/master data that you need to join, filter, etc. ?Exam…

  14. comment
    Comment #28899519

    These are fine intros, but then you have to actually dive into these topics. Sometimes there is no real interesting way to explain these topics. Fx, iirc the construction of the re…

  15. comment
    Comment #28430517

    As another user wrote, some db systems already can provide suggestions for missing indexes based on stats. But automatically creating them? Should all new indexes just add up (that…

  16. comment
    Comment #28426746

    What? I wouldn’t want this. How would you evne automate it? Creating the right indexes is the same as creating the right tables and columns in your data model: It depends on the bu…

  17. comment
    Comment #27923867

    Did what exactly? Most the transmission grid at least is overhead lines in Denmark. In fact, it is said that putting more than 15% of transmissions lines underground would be irres…

  18. comment
    Comment #25496216

    Anyone has experience with using on Windows (WSL, docker)?