# General **URL:** https://racket.discourse.group/c/general/12.md?page=20 [Latest](https://racket.discourse.group/latest.md) · [Categories](https://racket.discourse.group/categories.md) · [Tags](https://racket.discourse.group/tags.md) **Page:** 21 --- ## [Multi Process Racket (or even distributed)](https://racket.discourse.group/t/multi-process-racket-or-even-distributed/785)
**Author:** [@simonls](https://racket.discourse.group/u/simonls)\ **Replies:** 5\ **Last updated:** [March 17, 2022, 4:29pm UTC](https://racket.discourse.group/t/multi-process-racket-or-even-distributed/785 "2022-03-17T16:29:36Z")
I wrote this in response to another question, but also to get these things out of my head and written down. I am also curious about other interesting similar or related tools. Personally I don't have done a lot of multi… --- ## [Welcome to Racket Discussions Discourse](https://racket.discourse.group/t/welcome-to-racket-discussions-discourse/7)
**Author:** [@system](https://racket.discourse.group/u/system)\ **Replies:** 2\ **Last updated:** [November 22, 2021, 8:05am UTC](https://racket.discourse.group/t/welcome-to-racket-discussions-discourse/7 "2021-11-22T08:05:13Z")
Welcome! This is a friendly and inclusive place to ask questions, show off neat projects, and participate in the life of this fairly awesome family of languages and its ecosystems. :racket: :racketscript: :star\_struck: … --- ## [Opinions on \`quasiquote\`..\`unquote\` matching up when not lexically together?](https://racket.discourse.group/t/opinions-on-quasiquote-unquote-matching-up-when-not-lexically-together/784)
**Author:** [@rocketnia](https://racket.discourse.group/u/rocketnia)\ **Replies:** 3\ **Last updated:** [March 13, 2022, 9:20am UTC](https://racket.discourse.group/t/opinions-on-quasiquote-unquote-matching-up-when-not-lexically-together/784 "2022-03-13T09:20:12Z")
I've been building a library, Punctaffy, that has various notations similar to quasiquote, quasisyntax, etc. However, as I consider using these notations in macros' generated code, I notice something a lot like variable … --- ## [Creative Racket Competition 2022: January 1, 2022 → February 28, 2022](https://racket.discourse.group/t/creative-racket-competition-2022-january-1-2022-february-28-2022/454)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 16\ **Last updated:** [March 12, 2022, 1:03pm UTC](https://racket.discourse.group/t/creative-racket-competition-2022-january-1-2022-february-28-2022/454 "2022-03-12T13:03:17Z")
Creative Racket Competition 2022 January 1, 2022 → February 28, 2022 Get creative with Racket this winter! Win stickers! 1 January 2022 - 28 February 2022 Entries can be... pictures animations interactive sound or … --- ## [Maximum width of pen](https://racket.discourse.group/t/maximum-width-of-pen/776)
**Author:** [@soegaard](https://racket.discourse.group/u/soegaard)\ **Replies:** 0\ **Last updated:** [March 8, 2022, 1:44pm UTC](https://racket.discourse.group/t/maximum-width-of-pen/776 "2022-03-08T13:44:56Z")
Hi All, The contract of pen% says the width of a pen needs to be a real between 0 and 255. Is 255 an arbitrary maximum limit? If so, I'd like it to be lifted. I notice that the corresponding function in Cairo doesn't… --- ## [Racket meet-up Saturday 5 March (minutes and discussion thread)](https://racket.discourse.group/t/racket-meet-up-saturday-5-march-minutes-and-discussion-thread/767)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 1\ **Last updated:** [March 5, 2022, 8:34pm UTC](https://racket.discourse.group/t/racket-meet-up-saturday-5-march-minutes-and-discussion-thread/767 "2022-03-05T20:34:36Z")
Racket meet-up Saturday 5 March 18:00 UTC Racket meet-up happen s the first Saturday EVERY Month at UTC18:00 thank you to @dominik.pantucek for the write-up of the Feb meet-up : Racket meet up Saturday 5 Feb 18:00 UT… --- ## [Flowchart that shows outsiders all the options in the racket ecosystem](https://racket.discourse.group/t/flowchart-that-shows-outsiders-all-the-options-in-the-racket-ecosystem/736)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 4\ **Last updated:** [March 3, 2022, 4:36pm UTC](https://racket.discourse.group/t/flowchart-that-shows-outsiders-all-the-options-in-the-racket-ecosystem/736 "2022-03-03T16:36:21Z")
I’d like to do a flowchart that shows outsiders all the options in the racket ecosystem! Anyone interested in helping? —some initial thoughts—- Something - typed/racket Something make an app or your own language Ma… --- ## [Reasons to rewrite javascript entirely in racket web server](https://racket.discourse.group/t/reasons-to-rewrite-javascript-entirely-in-racket-web-server/750)
**Author:** [@Don](https://racket.discourse.group/u/Don)\ **Replies:** 2\ **Last updated:** [March 1, 2022, 12:44pm UTC](https://racket.discourse.group/t/reasons-to-rewrite-javascript-entirely-in-racket-web-server/750 "2022-03-01T12:44:19Z")
Can you articulate some reasons to rewrite javascript entirely in racket web server? There may be some good reasons that I am not thinking of. I know that I can include a javascript file into my web server. The one re… --- ## [Racket News Announcements](https://racket.discourse.group/t/racket-news-announcements/747)
**Author:** [@pmatos](https://racket.discourse.group/u/pmatos)\ **Replies:** 1\ **Last updated:** [March 1, 2022, 12:26am UTC](https://racket.discourse.group/t/racket-news-announcements/747 "2022-03-01T00:26:46Z")
Hello everyone! I am creating this thread to announce new issues of Racket News. As you are aware, Racket News has been hibernating since mid-November, but it has finally woken up from a very long sleep. Thank you for … --- ## [Single Package vs Multiple (-lib -doc -test) & Convenience](https://racket.discourse.group/t/single-package-vs-multiple-lib-doc-test-convenience/693)
**Author:** [@simonls](https://racket.discourse.group/u/simonls)\ **Replies:** 29\ **Last updated:** [February 25, 2022, 6:10pm UTC](https://racket.discourse.group/t/single-package-vs-multiple-lib-doc-test-convenience/693 "2022-02-25T18:10:02Z")
Convenience Authoring vs Using Packages When I author a simple package with only a little bit of functionality, I really like the convenience of creating a single package and putting everything inside it. When I want to… --- ## [Racket discord just hit 989 members](https://racket.discourse.group/t/racket-discord-just-hit-989-members/727)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 2\ **Last updated:** [February 24, 2022, 4:40pm UTC](https://racket.discourse.group/t/racket-discord-just-hit-989-members/727 "2022-02-24T16:40:34Z")
Racket discord just hit 989 members! :fastparrot: :racket: Racket discord invite link - come join us or invite a friend. FAQ: Discord it is a chat service similar to Slack in that it has channels for different topics… --- ## [Creating singletons tasks in a job manager](https://racket.discourse.group/t/creating-singletons-tasks-in-a-job-manager/718)
**Author:** [@dstorrs](https://racket.discourse.group/u/dstorrs)\ **Replies:** 4\ **Last updated:** [February 23, 2022, 5:27pm UTC](https://racket.discourse.group/t/creating-singletons-tasks-in-a-job-manager/718 "2022-02-23T17:27:00Z")
tl;dr: I'd like a way to ensure that a particular instance of a struct is eq? across threads so it can be used for concurrency management. What would the best way be? Medium version: If a struct goes into a parameter… --- ## [Racket meet up Saturday 5 Feb 18:00 UTC](https://racket.discourse.group/t/racket-meet-up-saturday-5-feb-18-00-utc/581)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 4\ **Last updated:** [February 22, 2022, 4:26pm UTC](https://racket.discourse.group/t/racket-meet-up-saturday-5-feb-18-00-utc/581 "2022-02-22T16:26:01Z")
2022-02-05T18:00:00Z (UTC) Racket meet up Saturday 5 Feb 18:00 UTC https://gather.town/app/wH1EDG3McffLjrs0/racket-users When: First Saturday EVERY Month UTC: 18:00 Agenda: flexible, generally show-and-tell with Q&A … --- ## [While PasteRack is offline check out the R16 trick bot on Discord](https://racket.discourse.group/t/while-pasterack-is-offline-check-out-the-r16-trick-bot-on-discord/714)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 2\ **Last updated:** [February 21, 2022, 10:00pm UTC](https://racket.discourse.group/t/while-pasterack-is-offline-check-out-the-r16-trick-bot-on-discord/714 "2022-02-21T22:00:06Z")
Sadly http://pasterack.org is currently off-line In the meantime why not try out the R16 "trick bot"! It saves snippets of code, which can then be recalled and executed on user-provided input. Many thanks to the creat… --- ## [Uses of improper lists?](https://racket.discourse.group/t/uses-of-improper-lists/712)
**Author:** [@Laurent.O](https://racket.discourse.group/u/Laurent.O)\ **Replies:** 8\ **Last updated:** [February 21, 2022, 9:35pm UTC](https://racket.discourse.group/t/uses-of-improper-lists/712 "2022-02-21T21:35:49Z")
This is likely a veeeery old question, but strangely I hadn't given much thought about it. Do people use improper lists such as (a b c . d) with more than 2 elements? I don't remember ever seeing such a use case. If no… --- ## [Call for Participation: BOB 2022 (March 11, Berlin or online)](https://racket.discourse.group/t/call-for-participation-bob-2022-march-11-berlin-or-online/545)
**Author:** [@mike](https://racket.discourse.group/u/mike)\ **Replies:** 1\ **Last updated:** [January 25, 2022, 7:40am UTC](https://racket.discourse.group/t/call-for-participation-bob-2022-march-11-berlin-or-online/545 "2022-01-25T07:40:46Z")
Hope to see many Racketeers at BOB! Please take a minute to fill out our survey on onsite vs. online! BOB 2022 Conference “What happens if we simply use what’s best?” March 11, 2022, Berlin or online (0100+UTC) https://… --- ## [Box-and-whisker plot and updated violin plot](https://racket.discourse.group/t/box-and-whisker-plot-and-updated-violin-plot/622)
**Author:** [@alexh](https://racket.discourse.group/u/alexh)\ **Replies:** 0\ **Last updated:** [January 25, 2022, 12:59pm UTC](https://racket.discourse.group/t/box-and-whisker-plot-and-updated-violin-plot/622 "2022-01-25T12:59:52Z")
Hi Eveveryone, I added support for box-and-whisker plots to the plot package and made some updates to the violin renderers that were added recently by Cameron Moy. I put up a pull request with the changes, and if you h… --- ## [Plot cookbook project 📈](https://racket.discourse.group/t/plot-cookbook-project/572)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 21\ **Last updated:** [January 19, 2022, 10:24pm UTC](https://racket.discourse.group/t/plot-cookbook-project/572 "2022-01-19T22:24:01Z")
This is a brilliant idea! Let’s make a Plot Cookbook :chart\_with\_upwards\_trend::woman\_cook: Post your favourite plot examples here I or someone else will create a Plot Cookbook repo and add to the package catalog Add… --- ## [Racket Cookbooks project - call for volunteers](https://racket.discourse.group/t/racket-cookbooks-project-call-for-volunteers/583)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 2\ **Last updated:** [January 17, 2022, 10:38pm UTC](https://racket.discourse.group/t/racket-cookbooks-project-call-for-volunteers/583 "2022-01-17T22:38:31Z")
Hi, I've created a GitHub 'organisation' https://github.com/Racket-Cookbooks It is currently home to the new Plot Cookbook but it could house other content; Scribble Slideshow GUI (see also 7-GUI and Easy Gui) data … --- ## [Custom emoji and Creative Racket Competition :creativeracket:](https://racket.discourse.group/t/custom-emoji-and-creative-racket-competition/575)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [January 14, 2022, 4:56pm UTC](https://racket.discourse.group/t/custom-emoji-and-creative-racket-competition/575 "2022-01-14T16:56:44Z")
Discourse, like slack and discord, supports custom emoji. If you create a emoji(s?) I will do my best to take advantage of my position as judge and admin to include your emoji on our servers. It also counts as an entry… --- ## [ELS 2022, Porto - European Lisp Symposium](https://racket.discourse.group/t/els-2022-porto-european-lisp-symposium/544)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [January 10, 2022, 3:07pm UTC](https://racket.discourse.group/t/els-2022-porto-european-lisp-symposium/544 "2022-01-10T15:07:15Z")
Apparently there are only a few days left to send papers for the ELS2022! --- ## [Racket Meetup: Saturday January 8, 2022](https://racket.discourse.group/t/racket-meetup-saturday-january-8-2022/390)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 8\ **Last updated:** [January 9, 2022, 12:30pm UTC](https://racket.discourse.group/t/racket-meetup-saturday-january-8-2022/390 "2022-01-09T12:30:52Z")
Racket Meetup: Saturday January 8, 2022 2022-01-08T18:00:00Z (UTC) Where: https://gather.town/app/wH1EDG3McffLjrs0/racket-users When: First Saturday EVERY Month UTC: 18:00 30 minutes but can overrun --- ## [Rhombus meeting today (Jan 6, 2022)](https://racket.discourse.group/t/rhombus-meeting-today-jan-6-2022/531)
**Author:** [@notjack](https://racket.discourse.group/u/notjack)\ **Replies:** 0\ **Last updated:** [January 6, 2022, 9:02pm UTC](https://racket.discourse.group/t/rhombus-meeting-today-jan-6-2022/531 "2022-01-06T21:02:27Z")
Rhombus meeting today! We’re talking about the Wraith syntax proposal. Agenda: Rhombus bi-weekly virtual meeting · Discussion #180 · racket/rhombus-prototype · GitHub Zoom link: Launch Meeting - Zoom --- ## [Typed racket production quality?](https://racket.discourse.group/t/typed-racket-production-quality/524)
**Author:** [@maketo](https://racket.discourse.group/u/maketo)\ **Replies:** 2\ **Last updated:** [January 4, 2022, 5:02pm UTC](https://racket.discourse.group/t/typed-racket-production-quality/524 "2022-01-04T17:02:54Z")
Hello. Since I am new to Racket (coming from Pascal-\>asm-\>C-\>python-\>Scala) - is Typed Racket "production" quality? In other words, types etc. are part of Scala, enforced properly etc. Can I count on typed racket having … --- ## [Threads waiting for a worker thread to make progress](https://racket.discourse.group/t/threads-waiting-for-a-worker-thread-to-make-progress/507)
**Author:** [@greghendershott](https://racket.discourse.group/u/greghendershott)\ **Replies:** 2\ **Last updated:** [January 1, 2022, 10:02pm UTC](https://racket.discourse.group/t/threads-waiting-for-a-worker-thread-to-make-progress/507 "2022-01-01T22:02:37Z")
If anyone would like to help review a little thread synchronization, I have an example. The motivation: A worker thread updates (set!s) a couple increasing integer variables. Some other threads need to wait until … --- ## [SRFI 105 as a Racket language, need a few help](https://racket.discourse.group/t/srfi-105-as-a-racket-language-need-a-few-help/482)
**Author:** [@damien\_mattei](https://racket.discourse.group/u/damien_mattei)\ **Replies:** 4\ **Last updated:** [December 28, 2021, 7:27pm UTC](https://racket.discourse.group/t/srfi-105-as-a-racket-language-need-a-few-help/482 "2021-12-28T19:27:49Z")
hello, i'm porting SRFI 105 "Curly infix" to Racket. I wrote a "reader" that works and the SRFI 105 is packaged with a REPL that works already with little change (only one line modified as far as ia can remember) but i… --- ## [Racket set performance](https://racket.discourse.group/t/racket-set-performance/479)
**Author:** [@badkins](https://racket.discourse.group/u/badkins)\ **Replies:** 11\ **Last updated:** [December 27, 2021, 8:32pm UTC](https://racket.discourse.group/t/racket-set-performance/479 "2021-12-27T20:32:02Z")
I ported a Python version of Advent of Code Day 25 to this Racket version , and I was surprised by what appears to be the relatively poor performance of Racket's set implementation. The Python version runs in about 1.5 … --- ## [New Interactive Tutorial Format for Racket Libraries](https://racket.discourse.group/t/new-interactive-tutorial-format-for-racket-libraries/463)
**Author:** [@countvajhula](https://racket.discourse.group/u/countvajhula)\ **Replies:** 7\ **Last updated:** [December 23, 2021, 7:50pm UTC](https://racket.discourse.group/t/new-interactive-tutorial-format-for-racket-libraries/463 "2021-12-23T19:50:06Z")
Hi folks, I don't know about you, but I learn best in an interactive setting, where I'm engaged with the material I'm trying to learn, where there is a tight feedback loop that allows me to see right away whether my und… --- ## [Racket Wiki Artifacts & call for contributors](https://racket.discourse.group/t/racket-wiki-artifacts-call-for-contributors/460)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [December 21, 2021, 1:00pm UTC](https://racket.discourse.group/t/racket-wiki-artifacts-call-for-contributors/460 "2021-12-21T13:00:47Z")
This page captures useful code snippets that are too small to be a package. There is also an GitHub organisation for larger examples Artifacts · GitHub Please contribute your own! --- ## [New to discourse](https://racket.discourse.group/t/new-to-discourse/449)
**Author:** [@joskoot](https://racket.discourse.group/u/joskoot)\ **Replies:** 0\ **Last updated:** [December 20, 2021, 12:56am UTC](https://racket.discourse.group/t/new-to-discourse/449 "2021-12-20T00:56:09Z")
Hello. I just assigned in to the discourse. My first topic just to see how it works and that I have my preferences set well. Thanks, Great. [Previous page](https://racket.discourse.group/c/general/12.md?page=19) [Next page](https://racket.discourse.group/c/general/12.md?page=21)