<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div>I get errors when trying to type in a multi-line function. Am I doing something wrong? </div><div> </div> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1"> From: Jay McCarthy <jay.mccarthy@gmail.com> To: J Arcane <jarcane@gmail.com> Cc: Racket Users <users@racket-lang.org>; Robby Findler <robby@eecs.northwestern.edu>; Marc Burns <m4burns@csclub.uwaterloo.ca> Sent: Monday, September 22, 2014 12:05 PM Subject: Re: [racket] Hosting the try-racket REPL. </div> <div class="y_msg_container"> J and I chatted a little and he got his DNS working and also I added <a shape="rect" href="http://try.racket-lang.org/" target="_blank">http://try.racket-lang.org/</a> as an alias for it. In general, the Racket team is willing to give out subdomains of r-l.org for projects that would like them, so they don't have to buy their own DNS addresses. Just email the list or one of us directly to ask. Jay On Mon, Sep 22, 2014 at 1:17 AM, J Arcane <<a shape="rect" ymailto="mailto:jarcane@gmail.com" href="mailto:jarcane@gmail.com">jarcane@gmail.com</a>> wrote: > Hmm. > > Alright, replacing the calls to slideshow with calls directly to pict, as > well as commenting out the racket/gui/base calls successfully gets the code > to run without X. > > However, something about how it converts the picts for web isn't working, so > instead of a neat little circle, for instance, I get "(pict '(prog > #<procedure:... etc." instead. > > I suspect this is probably something to do with a difference in behavior in > how images are converted by the server, which does a convertible? test and > then runs: > (run-code ev `(bytes-append #"data:image/png;base64," > (base64-encode (convert ,res 'png-bytes) #""))) > > At an idiot's guess, something is different about how pict is making the > images, so convertible? is #f and the code just prints the (pict '(prog... > stuff. > > I've set up a fork here: <a shape="rect" href="https://github.com/jarcane/try-racket" target="_blank">https://github.com/jarcane/try-racket</a> > I'm still working on getting the DNS set properly though, so no > try-racket.org yet; the servlet is public at <a shape="rect" href="http://104.131.18.192:8000/" target="_blank" >http://104.131.18.192:8000/ </a>but > I haven't figured out how to get try-racket.org to go there yet. > > > <<a shape="rect" ymailto="mailto:robby@eecs.northwestern.edu" href="mailto:robby@eecs.northwestern.edu">robby@eecs.northwestern.edu</a>> wrote: >> >> Maybe you can use slideshow/code-pict instead? >> >> Robby >> >> On Sun, Sep 21, 2014 at 6:00 PM, Marc Burns <<a shape="rect" ymailto="mailto:m4burns@csclub.uwaterloo.ca" href="mailto:m4burns@csclub.uwaterloo.ca">m4burns@csclub.uwaterloo.ca</a>> >> wrote: >> > The culprit is the slideshow/code module loaded into the sandbox >> > evaluator. Requiring slideshow/code attempts to establish an X server >> > connection. >> > >> > On Mon, Sep 22, 2014 at 12:12:37AM +0300, J Arcane wrote: >> >> Greetings, >> >> >> >> For some time now, it's bothered me a bit that Racket doesn't have an >> >> online REPL currently hosted anywhere. There's one written here: >> >> <a shape="rect" href="https://github.com/voila/try-racket" target="_blank">https://github.com/voila/try-racket</a> >> >> >> >> But no one's hosted it anywhere. So I took it upon myself to fix that. >> >> I've >> >> purchased try-racket.org and a basic DigitalOcean droplet to host it >> >> on, >> >> but I've hit a snag: I can't get it to run. >> >> >> >> It runs more or less without trouble on my personal FreeBSD box, but on >> >> my >> >> Debian 7 droplet I waded through countless dependency issues until >> >> finally >> >> I reached what seems to be this same error: >> >> >> >> <a shape="rect" href="http://bugs.racket-lang.org/query/?cmd=view%20audit-trail&pr=12465" target="_blank">http://bugs.racket-lang.org/query/?cmd=view%20audit-trail≺=12465</a> >> >> >> >> Presuming that perhaps this was in someway trying to run Racket in an >> >> actual GUI window whether I wanted it to or not, I attempted to run it >> >> as >> >> --script, but this just quits silently instead, leaving no servlet >> >> behind >> >> either. >> >> >> >> Any ideas what I might be doing wrong? or have I hit a proper bug? (IME >> >> it's usually the former ... ) >> >> >> >> John Berry >> >> <a shape="rect" href="http://jarcane.github.com/" target="_blank">http://jarcane.github.com</a> >> > >> >> ____________________ >> >> Racket Users list: >> >> <a shape="rect" href="http://lists.racket-lang.org/users" target="_blank">http://lists.racket-lang.org/users</a> >> > >> > ____________________ >> > Racket Users list: >> > <a shape="rect" href="http://lists.racket-lang.org/users" target="_blank">http://lists.racket-lang.org/users</a> > > > > ____________________ > Racket Users list: > <a shape="rect" href="http://lists.racket-lang.org/users" target="_blank">http://lists.racket-lang.org/users</a> > -- Jay McCarthy <a shape="rect" href="http://jeapostrophe.github.io/" target="_blank">http://jeapostrophe.github.io</a> "Wherefore, be not weary in well-doing, for ye are laying the foundation of a great work. And out of small things proceedeth that which is great." - D&C 64:33<div class="qtdSeparateBR"> </div><div class="yqt5594187680" id="yqtfd19606"> ____________________ Racket Users list: <a shape="rect" href="http://lists.racket-lang.org/users" target="_blank">http://lists.racket-lang.org/users</a> </div> </div> </div> </div> </div></body></html>