Day 1: Historian Hysteria

Megathread guidelines

  • Keep top level comments as only solutions, if you want to say something other than a solution put it in a new post. (replies to comments can be whatever)
  • You can send code in code blocks by using three backticks, the code, and then three backticks or use something such as https://blocks.programming.dev if you prefer sending it through a URL

FAQ

  •  ystael   ( @ystael@beehaw.org ) 
    link
    fedilink
    1
    edit-2
    27 days ago

    J

    NB. file handling from https://www.jsoftware.com/help/primer/files.htm
    data =: > 0 ". each cutopen toJ fread '1.data'
    result1 =: +/ | -/"1 |: ({~ /:)"1 |: data
    NB. Lemmy insists on mangling the ampersand, the & is _just_ an ampersand
    result2 =: +/ , ((0&{) * (="0 1)/) |: data