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02:28 Lunaqus: Can anyone reccomend a ciggarette brand from here? None of them are recognisable to me: http://bit.ly/HdBQLn
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04:07 RacketCommitBot: [racket] plt pushed 3 new commits to master: http://git.io/_JOPbQ
04:07 RacketCommitBot: [racket/master] Fix typo. - Rodolfo Henrique Carvalho
04:07 RacketCommitBot: [racket/master] Optimize cpt-table-lookup - Danny Yoo
04:07 RacketCommitBot: [racket/master] Remove bold leftover reference to "search.html". - Eli Barzilay
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06:55 tim-brown: building racket at the mo, and i've just noticed a load of:
06:55 tim-brown: ./jitinline.c:2534: warning: value computed is not used
06:55 tim-brown: warnings
06:56 (quit) gciolli: Ping timeout: 265 seconds
06:57 tim-brown: seem to result from (void) casts
06:58 tim-brown: is that my compiler being over-stroppy? or is there something semantically incorrect about all of this?
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07:05 tim-brown: how do i limit raco setup to a 1 process parallel build?
07:08 tim-brown: s'ok... i'm calling ``env PLT_SETUP_OPTIONS="-j 1" make install" seems to do the trick
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09:01 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/gOuOJQ
09:01 RacketCommitBot: [racket/master] ffi/com: fix GC issue related to COM events - Matthew Flatt
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09:17 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/uQVdig
09:17 RacketCommitBot: [racket/master] ffi/com: fix another GC problem, this time related to custodians - Matthew Flatt
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09:49 Aune: How would I go about writing a macro that does different things depending on whether the variable name begins with an upper or lower case character?
09:52 Aune: Trying to write me s Prolog like language such that (relation first Second Third) treats first as a name and Second and Third as variables.
09:52 samth: Aune: use syntax-e on the identifier to get a symbol, and symbol->string on the symbol to get a string
09:52 Aune: samth, thanks
09:53 samth: rudybot: (define-syntax (caps stx) (syntax-case stx () [(_ i) (identifier? #'i) (if (regexp-match "^[A-Z]" (symbol->string (syntax-e #'i))) #'#t #'#f)]))
09:53 rudybot: samth: your sandbox is ready
09:53 rudybot: samth: Done.
09:53 samth: rudybot: (caps Xyz)
09:53 rudybot: samth: ; Value: #t
09:53 samth: rudybot: (caps xyz)
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09:53 rudybot: samth: ; Value: #f
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09:54 RacketCommitBot: [racket] plt pushed 3 new commits to master: http://git.io/h6lurg
09:54 RacketCommitBot: [racket/master] win32: fix `find-executable-path' for an empty PATH - Matthew Flatt
09:54 RacketCommitBot: [racket/master] fix `raco demod' for new submodule fields in zo structs - Matthew Flatt
09:54 RacketCommitBot: [racket/master] gui-debugger: update for submodules - Matthew Flatt
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09:54 samth: Aune: like that
09:54 Aune: samth, Oh, that was real nice
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09:56 samth: eli: ping
09:58 samth: eli: ns14.zoneedit.com doesn't produce an IP for racket-lang.org
10:14 eli: samth: It does for me.
10:14 samth: eli: sorry, i meant ns19
10:14 samth: ns14 is the one that works
10:15 chandler: looks like there are some other issues too: http://www.intodns.com/racket-lang.org
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10:23 eli: samth: I sent them a complaint.
10:23 eli: chandler: That page isn't useful to me.
10:23 eli: "ERROR: looks like you have lame nameservers"
10:24 samth: eli: the lame nameserver is ns19
10:25 eli: samth: no, it claims that the lame server is "74.50.27.56", which I have no clue about.
10:25 eli: Plus, there's no definition of the highly technical term "lame".
10:25 samth: from about 3 boxes up on the page: ns19.zoneedit.com  ['74.50.27.56']   [TTL=3600]
10:26 samth: the other errors have more useful messages
10:27 eli: Ah, that might be the problem -- looks like they changed the IP of that server.
10:28 eli: In any case, the complaints about a parent server are probably because we have that intentionally hidden.
10:28 eli: Another complaint, "Stealth NS records were sent: ns1.racket-lang.org", is also useless in its error information.
10:29 samth: eli: when tonyg gets in, i'll ask him if he understands what that means
10:30 eli: What what means?
10:30 samth: "stealth ns records"
10:30 eli: And the last error is "No reverse DNS (PTR) entries. The problem MX records are ..." -- that's some google thing, since they're our MX.
10:31 samth: yeah, and they indeed have screwed that up -- i just checked
10:31 samth: but probably that's not something we can change :)
10:31 chandler: eli: That means that ns1.racket-lang.org was sent in response to the NS query to your nameservers, but it wasn't registered at the domain. It's a repetition of an earlier error on that page.
10:31 chandler: The more worrying error is the one about
10:31 samth: why are we hiding our nameservers, anyway?
10:31 chandler: pltmdns.ccs.neu.edu, since that can cause DNS timeouts.
10:32 eli: chandler: pltmdns.ccs.neu.edu is the internal name of that machine.
10:33 chandler: samth: I don't think you are; the "stealth NS" thing is just a confusingly worded message that repeats an earlier error on that page.
10:33 eli: samth: For security, it was set up by an ex-student that spent about 5 years doing DNS for <some big company>.
10:33 chandler: eli: So it shouldn't ever be exposed publicly, and certainly shouldn't be registered as a nameserver for racket-lang.org.
10:34 samth: eli: i don't understand how any of this could improve security
10:34 eli: chandler: It's not part of the zone information, they got that from reverse ip.
10:35 eli: samth: The claim was that if someone knows your master server it's easy to somehow get the complete layout of your network which makes it easy to hack it.
10:35 samth: eli: but clearly that information is accessible, since this random website can easily query it
10:36 chandler: eli: No, it is being returned by the registrar.
10:36 chandler: try dig +trace -t NS racket-lang.org
10:38 eli: samth: "that information" that is accessible is not all of it.
10:38 chandler: I'm really confused as to what information you're trying to hide.
10:39 chandler: The point of public DNS is that it's public.
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10:43 eli: chandler: A listing of all servers & IPs, and I don't know why it's good to hide it, but the person who recommended it has more DNS experience than you, samth, and me combined and multipled.
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10:44 samth: eli: regardless of that, we should avoid using pltmdns in public info then
10:45 eli: My guess is that I tried it, but gandi doesn't allow a number.
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10:47 samth: wait, so we're hiding the name of this server, except not?
10:49 eli: No, we're claiming that we use "ns0.racket-lang.org", which doesn't exist.
10:49 eli: And gandi.net says "Error: The address you provided is not valid".
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10:55 samth: eli: i have to confess to being extremely skeptical about this whole arrangement
10:56 eli: samth: I have to confess that I am extremely skeptical of your server management experience.
10:57 samth: eli: you're welcome to your skepticism, but security-by-obscurity that no one involved understands seems like a really strange plan
11:00 (nick) emma -> em
11:02 eli: samth: This is not, AFAIK, security-by-obscurity -- it's preventing harvesting of your main dns ip, which somehow prevents getting that information.
11:02 eli: But I don't know much more about that -- all I know is that the guy knows what he's doing, and has set up way more serious dns setups and faced various forms of ddos, so I did what he said.
11:02 eli: You're welcome to ask him yourself.
11:03 samth: prevents getting which information?
11:03 eli: Entire network layout.
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11:11 eli: chandler, samth: I managed to create a glue record through the horrible gandi.net UI, so pltmdns should be gone from there once it propagates.
11:11 samth: eli: great
11:12 eli: samth: BTW, the main him suggestion was completely serious -- having a short explanation in the file would be better than the "says that it's ok" comment that is there now.
11:12 eli: s/main him/mail him/
11:18 eli: chandler, samth: Seems that intodns.com updated now, there are two reds -- one is the "lame server" (zoneedit will probably take a while to update); and the other is the google MX.
11:18 samth: great
11:19 samth: eli: the reason that i cared about this to start was that i'm using tonyg's dns proxy impl, which doesn't handle the ns19 failure nicely
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14:27 ynniv: are there any guides to building a reloadable web server?
14:27 ynniv: I'm using hunchentoot in CL, and would like to take racket for a spin
14:28 ynniv: but the tutorials that I have seen end in a single call that never returns
14:28 ynniv: or, building a TCP listener from scratch
14:29 ynniv: there's quite a gap between those two ideals
14:31 (nick) meNmyarrow -> otterdam
14:31 ynniv: the serve/servlet code gets close with the "/quit" handler, but the semaphore controlling it is "cleanly" hidden in a closure deep inside the call
14:32 ynniv: making it useless from the REPL
14:33 samth: ynniv: typically, racket web server apps aren't written to be reloadable
14:35 ynniv: that's why I'm hoping that someone has shared their atypical experience! :)
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14:37 ynniv: to reuse code from web-server, it appears that I have to implement my own serve/launch/wait
14:40 ynniv: all these closures make hacking difficult
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14:41 dyoo: ynniv: /conf/refresh-servlets
14:41 dyoo: http://docs.racket-lang.org/web-server/faq.html?q=reload#(part._update-servlets)
14:41 dyoo: ynniv: might be applicable to your question
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14:45 dyoo_: ynniv: also, http://docs.racket-lang.org/guide/reflection.html may be helpful in showing how to dynamically load code
14:46 ynniv: I'm loading code with http://www.nongnu.org/geiser/
14:46 ynniv: which is part of the problem, since calls that never return hang the environment
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14:48 dyoo_: ynniv: oh, and you're saying that since the call to the web server doesn't return, you're seeing a hang?
14:49 ynniv: yes, it locks up emacs until the environment times out
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14:49 ynniv: I would throw it on a thread, but then I wouldn't be able to stop it to reload it
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14:50 dyoo_: hmm.. I wonder if the brute force thread-kill would do it
14:50 ynniv: I could use the quit handler when I want to close the server, but that feels upside down
14:51 ynniv: it complained about read only text, but I expect that killing the call would still leave the socket open
14:51 dyoo_: you could also set up a separate "custodian", start up the web server under it, and then call custodian-shutdown
14:51 ynniv: meaning that I couldn't restart it anyway
14:51 dyoo_: Custodians might be the way to clean up the resources, including socket opening
14:52 ynniv: I saw "custodians" mentioned, but I'm not familiar with them
14:52 dyoo_: Ah... ok, give me a sec, let me see if I can find documentation.
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14:52 dyoo_: Yeah, take a look at the example in: http://docs.racket-lang.org/more/index.html#(part._.Terminating_.Connections)
14:53 dyoo_: The basic idea of a custodian is that it manages resources under its context.  When you tell a custodian to shutdown, it cleans up all resources under it.
14:53 dyoo_: Threads, files, ports, it watches them all.
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14:55 ynniv: ah, that is exciting
14:56 dyoo_: Yeah, I think it might let you throw the web-server on a separate thread, and still give you power to shut it down completely
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14:57 dyoo_: good luck!
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16:00 epictaters: Hi! Is anyone running a Racket webserver?
16:01 tommc: epictaters: I'm using it for some small projects.
16:05 epictaters: Thanks, tommc! So, there's no major companies renting space on Racket webservers that you know of?
16:05 epictaters: Ok, exclude the 'major'! lol!
16:05 tommc: Not that I know of. Mine was self hosted using a basic linode server.
16:08 epictaters: Ok, thanks, tommc.
16:08 epictaters: I must run! Thank you!
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21:12 rapacity: is there a built-in way to export from slideshow to a pdf ?
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22:02 bremner: rapacity: yeah, there is a command line option iirc
22:02 bremner: if you can find it, I'll try digging it up
22:11 asumu: rapacity: http://pre.racket-lang.org/docs/html/slideshow/Creating_Slide_Presentations.html?q=slideshow#(part._.Printing)
22:11 rudybot: http://tinyurl.com/85a2xo9
22:14 rapacity: thanks guys
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