# Latest **URL:** https://racket.discourse.group/latest.md?page=47 [Latest](https://racket.discourse.group/latest.md) · [Categories](https://racket.discourse.group/categories.md) · [Tags](https://racket.discourse.group/tags.md) **Page:** 48 --- ## [Adjusting bounding boxes and aligning hexagonal picts](https://racket.discourse.group/t/adjusting-bounding-boxes-and-aligning-hexagonal-picts/1810)
**Author:** [@benknoble](https://racket.discourse.group/u/benknoble)\ **Replies:** 7\ **Last updated:** [March 18, 2023, 3:15pm UTC](https://racket.discourse.group/t/adjusting-bounding-boxes-and-aligning-hexagonal-picts/1810 "2023-03-18T15:15:25Z")
First, all the pict-related stuff is awesome. I've been using it a lot lately, and I probably haven't said thank you. So thank you, Racketeers. I need to build pictures out of hexagons for a project I'm working on. (If… --- ## [Pollen with Pygments or Highlights.js?](https://racket.discourse.group/t/pollen-with-pygments-or-highlights-js/1773)
**Author:** [@rebcabin](https://racket.discourse.group/u/rebcabin)\ **Replies:** 15\ **Last updated:** [March 14, 2023, 4:55am UTC](https://racket.discourse.group/t/pollen-with-pygments-or-highlights-js/1773 "2023-03-14T04:55:39Z")
I'm having a heck of a time getting Pygments or Highlights to furnish syntax coloring in my pollen documents. I followed the tutorial (9 Mini tutorials). I got Pygments to color the code, but the CSS styles that I copied… --- ## [How do I use a "condensed" font?](https://racket.discourse.group/t/how-do-i-use-a-condensed-font/1804)
**Author:** [@soegaard](https://racket.discourse.group/u/soegaard)\ **Replies:** 4\ **Last updated:** [March 13, 2023, 5:11pm UTC](https://racket.discourse.group/t/how-do-i-use-a-condensed-font/1804 "2023-03-13T17:11:41Z")
Hi All, Due to space constraints I'd like to use the "condensed" version of "DejaVu Sans". In the macOS FontBook it has "condensed" listed as one of its styles. I can't figure out how to load it with (make-object f… --- ## [How raise-argument-error call gather more stacktrace?](https://racket.discourse.group/t/how-raise-argument-error-call-gather-more-stacktrace/1795)
**Author:** [@Kalimehtar](https://racket.discourse.group/u/Kalimehtar)\ **Replies:** 12\ **Last updated:** [March 13, 2023, 4:03am UTC](https://racket.discourse.group/t/how-raise-argument-error-call-gather-more-stacktrace/1795 "2023-03-13T04:03:16Z")
I try to make may own version of raise-argument-error: (define (raise-argument-error\* a b c) (raise (exn:fail:contract (format "~a: contract violation\\n expected: ~a\\n given: ~a" a b c) (current-cont… --- ## [QuickLook for .scrbl files under macOS Ventura](https://racket.discourse.group/t/quicklook-for-scrbl-files-under-macos-ventura/1770)
**Author:** [@plragde](https://racket.discourse.group/u/plragde)\ **Replies:** 4\ **Last updated:** [March 12, 2023, 5:25pm UTC](https://racket.discourse.group/t/quicklook-for-scrbl-files-under-macos-ventura/1770 "2023-03-12T17:25:50Z")
Anyone know how to enable this? I am migrating to a new laptop and OS version. It worked under Monterey but I may have done something in the past to enable it, which I cannot remember, of course. Thanks. --- ## ["Transparent Telemetry"](https://racket.discourse.group/t/transparent-telemetry/1760)
**Author:** [@jbclements](https://racket.discourse.group/u/jbclements)\ **Replies:** 11\ **Last updated:** [March 11, 2023, 4:38pm UTC](https://racket.discourse.group/t/transparent-telemetry/1760 "2023-03-11T16:38:08Z")
Shriram Krishnamurthi shared a pointer to this interesting series of pieces on "Transparent Telemetry" for open-source projects. Should products like Racket collect information about their use? Are there statistics that … --- ## [Identifiers in \`\_fun\`](https://racket.discourse.group/t/identifiers-in-fun/1769)
**Author:** [@Antigen-11](https://racket.discourse.group/u/Antigen-11)\ **Replies:** 2\ **Last updated:** [March 9, 2023, 6:56pm UTC](https://racket.discourse.group/t/identifiers-in-fun/1769 "2023-03-09T18:56:58Z")
I typed this in the repl and an error was raised: \> (require ffi/unsafe) \> (\_fun (f) :: ((\_array/list \_int (length f)) = f) -\> \_int) f: undefined; cannot reference an identifier before its definition in module: top-l… --- ## [RFC: Adding Resyntax code reviews to core Racket repositories](https://racket.discourse.group/t/rfc-adding-resyntax-code-reviews-to-core-racket-repositories/1746)
**Author:** [@notjack](https://racket.discourse.group/u/notjack)\ **Replies:** 17\ **Last updated:** [March 9, 2023, 4:54pm UTC](https://racket.discourse.group/t/rfc-adding-resyntax-code-reviews-to-core-racket-repositories/1746 "2023-03-09T16:54:04Z")
Hello all! I've been developing Resyntax for some time now, and I've set it up to perform code reviews in the Typed Racket, Scribble, and DrRacket repositories. This has gone well thus far, so I'd like to add Resyntax co… --- ## [Racket Templates](https://racket.discourse.group/t/racket-templates/1767)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [March 8, 2023, 9:36pm UTC](https://racket.discourse.group/t/racket-templates/1767 "2023-03-08T21:36:37Z")
Racket Templates provide a wide variety of working template applications you can use as a starting point: choose a template from Racket Templates · GitHub click Use this template in GitHub or use raco new: raco p… --- ## [Racket error index?](https://racket.discourse.group/t/racket-error-index/1763)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 1\ **Last updated:** [March 8, 2023, 9:02pm UTC](https://racket.discourse.group/t/racket-error-index/1763 "2023-03-08T21:02:22Z")
There is enthusiasm for a ‘Racket Error Index’ the on the Racket Discord at #off-topic Anyone up for working on a MVP? Stephen Inspired by: --- ## [Welcome the community moderation team!](https://racket.discourse.group/t/welcome-the-community-moderation-team/1765)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [March 8, 2023, 8:48pm UTC](https://racket.discourse.group/t/welcome-the-community-moderation-team/1765 "2023-03-08T20:48:35Z")
Just a quick note; I'm really grateful for all the members of the Racket Project leadership, past and present, for all the work they have done, and continue to do. So I am very pleased to thank the community members wh… --- ## [How to parameterize in created language?](https://racket.discourse.group/t/how-to-parameterize-in-created-language/1764)
**Author:** [@Kalimehtar](https://racket.discourse.group/u/Kalimehtar)\ **Replies:** 1\ **Last updated:** [March 8, 2023, 7:47pm UTC](https://racket.discourse.group/t/how-to-parameterize-in-created-language/1764 "2023-03-08T19:47:35Z")
How to set parameters in own language? If I use in #%module-begin (parameter-name new-value), then it retains new-value even in modules, that requires my language module. If I try to set parameterize around the module … --- ## [String Interpolation in string literals](https://racket.discourse.group/t/string-interpolation-in-string-literals/1761)
**Author:** [@Grafcube](https://racket.discourse.group/u/Grafcube)\ **Replies:** 1\ **Last updated:** [March 8, 2023, 5:11pm UTC](https://racket.discourse.group/t/string-interpolation-in-string-literals/1761 "2023-03-08T17:11:08Z")
I made my first ever package in Racket. It adds string interpolation to string literals. For example: (define (greet name) "Hello @{name}") (greet "Racket") Result: "Hello Racket" --- ## [Racket handin with structures types](https://racket.discourse.group/t/racket-handin-with-structures-types/1762)
**Author:** [@jestarray](https://racket.discourse.group/u/jestarray)\ **Replies:** 1\ **Last updated:** [March 7, 2023, 3:33am UTC](https://racket.discourse.group/t/racket-handin-with-structures-types/1762 "2023-03-07T03:33:44Z")
anyone here work with racket handin-server? (define-struct box \[size angle\]) (@test "tock#1" "err: our speeds are: GROWTH: 1, ROTATION-SPEED: 4" (tock (make-box 4 6)) (make-box 5 10) 1) so for checking structure def p… --- ## [What are the most frequently asked questions about Racket?](https://racket.discourse.group/t/what-are-the-most-frequently-asked-questions-about-racket/1755)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 1\ **Last updated:** [March 6, 2023, 12:28pm UTC](https://racket.discourse.group/t/what-are-the-most-frequently-asked-questions-about-racket/1755 "2023-03-06T12:28:05Z")
What are the most frequently asked questions about Racket? I’m looking to update the FAQ, and it would be nice for it to be a closer match to reality, rather than just my perception of what is most asked. :beetle: --- ## [Not getting an email code to register on pkgs.racket-lang.org](https://racket.discourse.group/t/not-getting-an-email-code-to-register-on-pkgs-racket-lang-org/1660)
**Author:** [@Grafcube](https://racket.discourse.group/u/Grafcube)\ **Replies:** 31\ **Last updated:** [March 6, 2023, 7:23am UTC](https://racket.discourse.group/t/not-getting-an-email-code-to-register-on-pkgs-racket-lang-org/1660 "2023-03-06T07:23:51Z")
I'm trying to create an account on pkgs.racket-lang.org to submit a package but I'm not getting the email code at all. I enter my email and evaluate the anti-spam code and then it says that the code has been emailed. I t… --- ## [Racket meet-up Saturday 4 March](https://racket.discourse.group/t/racket-meet-up-saturday-4-march/1752)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 2\ **Last updated:** [March 5, 2023, 11:39am UTC](https://racket.discourse.group/t/racket-meet-up-saturday-4-march/1752 "2023-03-05T11:39:24Z")
I believe I forgot to post the announcement I hope it went ahead in my absence ? Next Racket meet-up will be Saturday 1 April Stephen :beetle: --- ## [Rosetta code Racket category](https://racket.discourse.group/t/rosetta-code-racket-category/1754)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [March 5, 2023, 10:28am UTC](https://racket.discourse.group/t/rosetta-code-racket-category/1754 "2023-03-05T10:28:06Z")
HI, The Racket language category on Rosetta Code has jut been updated to include Tasks not implemented in Racket. (e.g. Circular primes - Rosetta Code) best regards Stephen :beetle: --- ## [My notes on Chapter 8 of "The Little Typer," for your critique!](https://racket.discourse.group/t/my-notes-on-chapter-8-of-the-little-typer-for-your-critique/1750)
**Author:** [@rebcabin](https://racket.discourse.group/u/rebcabin)\ **Replies:** 2\ **Last updated:** [March 4, 2023, 8:09pm UTC](https://racket.discourse.group/t/my-notes-on-chapter-8-of-the-little-typer-for-your-critique/1750 "2023-03-04T20:09:09Z")
--- ## [Racket meet-up presenters for 2023](https://racket.discourse.group/t/racket-meet-up-presenters-for-2023/1722)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [February 17, 2023, 11:03am UTC](https://racket.discourse.group/t/racket-meet-up-presenters-for-2023/1722 "2023-02-17T11:03:17Z")
Hi I floated this at the last meet-up: Would people be interested in language developers - not necessarily Racket languages - as speakers at future meet-ups? Please ‘like’ if you think this is worth trying, and let me… --- ## [An option to omit type checks](https://racket.discourse.group/t/an-option-to-omit-type-checks/1735)
**Author:** [@joskoot](https://racket.discourse.group/u/joskoot)\ **Replies:** 15\ **Last updated:** [March 3, 2023, 5:51pm UTC](https://racket.discourse.group/t/an-option-to-omit-type-checks/1735 "2023-03-03T17:51:14Z")
Hi, The type checking in Racket is a big help in debugging programs and to prevent crashes that shut down the whole of the computer (as far as seen my the current user). I don't know how the most recent version of Fortr… --- ## [Sxml serialization of non-XML-compatible identifiers](https://racket.discourse.group/t/sxml-serialization-of-non-xml-compatible-identifiers/1751)
**Author:** [@jbclements](https://racket.discourse.group/u/jbclements)\ **Replies:** 0\ **Last updated:** [March 3, 2023, 5:51am UTC](https://racket.discourse.group/t/sxml-serialization-of-non-xml-compatible-identifiers/1751 "2023-03-03T05:51:18Z")
In t0mpr1c3 points out that srl:sxml-\>xml does not appear to perform any validation to ensure that the tag names used conform to legal xml names (IIUC, this is the "NCName" production in the W3C's XML recommendation: … --- ## [Handin-server time stamp](https://racket.discourse.group/t/handin-server-time-stamp/1736)
**Author:** [@jbclements](https://racket.discourse.group/u/jbclements)\ **Replies:** 2\ **Last updated:** [March 3, 2023, 5:23am UTC](https://racket.discourse.group/t/handin-server-time-stamp/1736 "2023-03-03T05:23:14Z")
Okay, this is incredibly obvious, but it had never occurred to me before today to timestamp handin submissions as they arrive. Specifically, adding this to the check: block: (define timestamp-string (parameteriz… --- ## [Socks5, my new package written with literate programming](https://racket.discourse.group/t/socks5-my-new-package-written-with-literate-programming/1727)
**Author:** [@cadence](https://racket.discourse.group/u/cadence)\ **Replies:** 1\ **Last updated:** [March 2, 2023, 4:02pm UTC](https://racket.discourse.group/t/socks5-my-new-package-written-with-literate-programming/1727 "2023-03-02T16:02:26Z")
The Library It makes TCP connections via SOCKS5 proxy servers. The library comes with the socks5-connect function to make a proxied TCP connection, as well as make-socks5-proxy which integrates smoothly with Bogdan's htt… --- ## [The type of ind-Nat in the pie language?](https://racket.discourse.group/t/the-type-of-ind-nat-in-the-pie-language/1733)
**Author:** [@rebcabin](https://racket.discourse.group/u/rebcabin)\ **Replies:** 4\ **Last updated:** [March 1, 2023, 10:03am UTC](https://racket.discourse.group/t/the-type-of-ind-nat-in-the-pie-language/1733 "2023-03-01T10:03:07Z")
Hello -- I am trying to write a type for my own copy of ind-Nat in pie, following the example from the original pie documentation. Which states: (ind-Nat target motive base step) → (motive target) target : Nat motive : … --- ## [Pattern matching in TypedRacket that uses types to rule out impossible branches?](https://racket.discourse.group/t/pattern-matching-in-typedracket-that-uses-types-to-rule-out-impossible-branches/1743)
**Author:** [@AssertionError](https://racket.discourse.group/u/AssertionError)\ **Replies:** 5\ **Last updated:** [February 28, 2023, 6:53pm UTC](https://racket.discourse.group/t/pattern-matching-in-typedracket-that-uses-types-to-rule-out-impossible-branches/1743 "2023-02-28T18:53:46Z")
Hi everyone, I was wondering if anyone is aware of any pattern-matching-like macro for TypedRacket that supports types. For instance, consider the following thunk that holds a list. Type-wise there are two problems: … --- ## [How to write \`length\` in TypedRacket with inlined types?](https://racket.discourse.group/t/how-to-write-length-in-typedracket-with-inlined-types/1742)
**Author:** [@AssertionError](https://racket.discourse.group/u/AssertionError)\ **Replies:** 1\ **Last updated:** [February 27, 2023, 10:20pm UTC](https://racket.discourse.group/t/how-to-write-length-in-typedracket-with-inlined-types/1742 "2023-02-27T22:20:30Z")
Hi everyone, I am sorry for the newbie question. I'm wondering why TypedRacket complains about the following implementation of length #lang typed/racket (define #:forall \[T\] (len \[ l : (Listof T)\] ) : Number (match … --- ## [What's official racket and what's not?](https://racket.discourse.group/t/whats-official-racket-and-whats-not/1447)
**Author:** [@maketo](https://racket.discourse.group/u/maketo)\ **Replies:** 37\ **Last updated:** [February 24, 2023, 9:07pm UTC](https://racket.discourse.group/t/whats-official-racket-and-whats-not/1447 "2023-02-24T21:07:36Z")
To someone new to Racket - looking at docs.racket-lang.org - this is basically a "soup" of things that seems to be an unordered brain dump of everything Racket related. I may have missed the memo buried on that website … --- ## [What are some reasons for choosing Racket over Common Lisp?](https://racket.discourse.group/t/what-are-some-reasons-for-choosing-racket-over-common-lisp/1731)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 4\ **Last updated:** [February 24, 2023, 2:59pm UTC](https://racket.discourse.group/t/what-are-some-reasons-for-choosing-racket-over-common-lisp/1731 "2023-02-24T14:59:10Z")
The question above was asked in #general on the Racket Discord today. While my initial response was ‘Depends. What you want to do?’, there were a number of insightful responses. I’ll invite them to be repeated here. --- ## [A for/fold #:break question, I think](https://racket.discourse.group/t/a-for-fold-break-question-i-think/1553)
**Author:** [@tbhanson](https://racket.discourse.group/u/tbhanson)\ **Replies:** 3\ **Last updated:** [February 21, 2023, 12:11pm UTC](https://racket.discourse.group/t/a-for-fold-break-question-i-think/1553 "2023-02-21T12:11:35Z")
hi, folks, I posted this question here: https://groups.google.com/g/racket-users/c/LblfrTvKVx4 yestereve, but just discovered this discourse group. I hope it's OK to cross-post here, so to speak. --tbh hi, I'm trying … [Previous page](https://racket.discourse.group/latest.md?page=46) [Next page](https://racket.discourse.group/latest.md?page=48)