Absolutely. I think we'd just need something that runs once at load, (which I'd need to figure out how to do, then you could do something like [all[tiddlers]shuffle{$:/temp/seed!!startup}] and it'd be deterministic.
On Wednesday, September 11, 2019 at 12:35:51 PM UTC-4, Mohammad wrote: > > Matt, > > Thank you for sharing! It uses JS and non-deterministic! So, it should > have the issue Jeremy noted! > But based on your previous post, Jeremy and Mario note, also Mark > explanation in another post ( > https://groups.google.com/d/msg/tiddlywiki/jlBObreG30w/moxP900xBAAJ) > > Is it possible to make it deterministic to address the performance issue? > I mean generate a random number and freeze until > a browser refresh? > > > Best wishes > Mohammad > > > On Wed, Sep 11, 2019 at 8:33 PM Matthew Lauber <ma...@mklauber.com > <javascript:>> wrote: > >> Indeed, it's here: https://mklauber.github.io/tw5-plugins At the time, >> I was running into an issue where I couldn't use <<time >> "[UTC]YYYY0MM0DD0hh0mm0ssXXX">> as a param to a filter, so I couldn't make >> it deterministic and easily based on render time. I'm seeing some >> interesting ideas here though in Mario's post to create some default seed >> tiddlers to update. If there's interest in trying to get this into the >> core, I'd be happy to work on it. As it is, my plugin, non-deterministic >> as it is, hasn't been an issue in my years of using it. >> >> Matt >> >> On Wednesday, September 11, 2019 at 6:10:55 AM UTC-4, Jeremy Ruston wrote: >>> >>> Hi Mohammad >>> >>> On 11 Sep 2019, at 08:47, Mohammad Rahmani <mohamma...@gmail.com> wrote: >>> >>> As there is no random filter (I expect to have it with math operators) >>> in TW core, is it possible using machine clock and TW 5.1.20+ math ops >>> create a macro to generate random numbers? >>> >>> >>> This has come up before, it might be helpful to dig up the old >>> references. >>> >>> The reason there is not a simple [random[]] operator is that filter >>> operators are supposed to be deterministic: they must return the same >>> results for the same inputs, regardless of when they are called. This >>> property is required for the refresh mechanism to operate correctly. In >>> particular, using a non-deterministic filter with the list widget will >>> cause thrashing on every refresh cycle. >>> >>> To make it work, one needs to add a seed operand, and initialise that >>> value via a new action widget that can assign a random value to a tiddler. >>> I think somebody made a plugin a few years ago to do this. >>> >>> Best wishes >>> >>> Jeremy >>> >>> >>> >>> >>> Best wishes >>> Mohammad >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "TiddlyWiki" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to tiddl...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/tiddlywiki/CAAV1gMA6b-EtuP4KjSWfir9jy2eAh65c-QwnvTL9kQH43qYNCw%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/tiddlywiki/CAAV1gMA6b-EtuP4KjSWfir9jy2eAh65c-QwnvTL9kQH43qYNCw%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "TiddlyWiki" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to tiddl...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/tiddlywiki/b401dd79-e59a-4741-ac0e-3e256646d6de%40googlegroups.com >> >> <https://groups.google.com/d/msgid/tiddlywiki/b401dd79-e59a-4741-ac0e-3e256646d6de%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/31fbbdd6-b5db-43de-a24f-80df434604c6%40googlegroups.com.