is it possible to create a 'os' using 'racket' On Wed, Jan 20, 2016 at 12:57 PM, <racket-users@googlegroups.com> wrote:
> racket-users@googlegroups.com > <https://groups.google.com/forum/?utm_source=digest&utm_medium=email#!forum/racket-users/topics> > Google > Groups > <https://groups.google.com/forum/?utm_source=digest&utm_medium=email/#!overview> > <https://groups.google.com/forum/?utm_source=digest&utm_medium=email/#!overview> > Today's topic summary > View all topics > <https://groups.google.com/forum/?utm_source=digest&utm_medium=email#!forum/racket-users/topics> > > - Code critique request: data/fetch, proc for walking hashes/lists > <#-239076200_group_thread_0> - 1 Update > - backwards-incompatible change to in-vector > <#-239076200_group_thread_1> - 7 Updates > - Using the web server without continuations? > <#-239076200_group_thread_2> - 3 Updates > - Top Level Variables or List of Shared Libraries > <#-239076200_group_thread_3> - 2 Updates > - 1st Call for Contributions for SPLASH'16: OOPSLA, Onward!, > Workshops, DLS, SLE, GPCE <#-239076200_group_thread_4> - 1 Update > - Store value with unsupported type in Postgres? > <#-239076200_group_thread_5> - 1 Update > - Implement Topological sorting in HtDP-y way? > <#-239076200_group_thread_6> - 1 Update > > Code critique request: data/fetch, proc for walking hashes/lists > <http://groups.google.com/group/racket-users/t/1aed7af0fca40d2f?utm_source=digest&utm_medium=email> > "David K. Storrs" <david.sto...@gmail.com>: Jan 19 10:38PM -0800 > > I apologize for the long ping time on this -- for whatever reason I didn't > get any of the replies sent to my email and I thought no one had responded. > > JCG, Jack, thank you very much for taking the ...more > <http://groups.google.com/group/racket-users/msg/3832a1f7a2b0a?utm_source=digest&utm_medium=email> > Back to top <#-239076200_digest_top> > backwards-incompatible change to in-vector > <http://groups.google.com/group/racket-users/t/8e7069775ba02d00?utm_source=digest&utm_medium=email> > Stephen Chang <stch...@ccs.neu.edu>: Jan 19 01:19PM -0500 > > I'm fixing pr 15227 but I would like to do so in a backwards-incompatible > way. > > Right now an out-of-range index is sometimes allowed as an argument to > in-vector, leading to the bug: > > $ racket ...more > <http://groups.google.com/group/racket-users/msg/35ad7213292bf?utm_source=digest&utm_medium=email> > Vincent St-Amour <stamo...@eecs.northwestern.edu>: Jan 19 01:06PM -0600 > > Would it be possible to special-case `(in-vector (vector) 0 0)` > directly, and fix the bug while keeping backwards compatibility? > > Vincent > > > On Tue, 19 Jan 2016 12:19:12 -0600, ...more > <http://groups.google.com/group/racket-users/msg/35d6aea5ca212?utm_source=digest&utm_medium=email> > Stephen Chang <stch...@ccs.neu.edu>: Jan 19 02:16PM -0500 > > Yes, or course it's possible, at the expense of more unreadable code. > > But the zero special case doesnt make sense. And is inconsistent with > other out-of-range cases, eg (in-vector (vector) 1 1) ...more > <http://groups.google.com/group/racket-users/msg/35dfae1f0b6d7?utm_source=digest&utm_medium=email> > Robby Findler <ro...@eecs.northwestern.edu>: Jan 19 02:05PM -0600 > > I think you should not change this backwards compatibility unless you > really know it isn't used (and even then it is hard to know such > things). > > Robby > > ...more > <http://groups.google.com/group/racket-users/msg/3609f99ccd171?utm_source=digest&utm_medium=email> > Stephen Chang <stch...@ccs.neu.edu>: Jan 19 03:51PM -0500 > > > I think you should not change this backwards compatibility unless you > > really know it isn't used (and even then it is hard to know such > > things). > > Well I still think these programs would be ...more > <http://groups.google.com/group/racket-users/msg/363271755576a?utm_source=digest&utm_medium=email> > Robby Findler <ro...@eecs.northwestern.edu>: Jan 19 02:55PM -0600 > > > > things). > > > Well I still think these programs would be relying on a bug, since > > they are referencing a non-existent vector element. > > > Just to be clear, you cannot know that. ...more > <http://groups.google.com/group/racket-users/msg/3635a2c6591fa?utm_source=digest&utm_medium=email> > Gustavo Massaccesi <gust...@oma.org.ar>: Jan 20 12:01AM -0300 > > I couldn't write an example that is not obvious, but this programs > looks ok to me: > > ;--- > #lang racket > (define (display-vector v) > (for ([x (in-vector v 0 (vector-length v))]) ...more > <http://groups.google.com/group/racket-users/msg/37762c11d8c88?utm_source=digest&utm_medium=email> > Back to top <#-239076200_digest_top> > Using the web server without continuations? > <http://groups.google.com/group/racket-users/t/12e3c845f20bbe85?utm_source=digest&utm_medium=email> > Alexis King <lexi.lam...@gmail.com>: Jan 19 04:07PM -0800 > > I’ve been using the Racket web server, and I’m very pleased with how > easy it’s been to get a simple working application. However, so far, I > haven’t been using send/suspend or any of the ...more > <http://groups.google.com/group/racket-users/msg/36dd4f659200d?utm_source=digest&utm_medium=email> > Jay McCarthy <jay.mccar...@gmail.com>: Jan 19 07:29PM -0500 > > If you do not use send/suspend or send/suspend/dispatch, no continuations > are ever saved. You do not need to "opt out". You "opt in" to > continuations. > > Jay > > > -- > Jay McCarthy ...more > <http://groups.google.com/group/racket-users/msg/36f0b31a09168?utm_source=digest&utm_medium=email> > Alexis King <lexi.lam...@gmail.com>: Jan 19 04:35PM -0800 > > Perfect! That was my hope. One more question: if I did want to opt-in to > continuations for just a single portion of my application, could I? The > way I’ve been structuring my application is to have ...more > <http://groups.google.com/group/racket-users/msg/36f617bf324db?utm_source=digest&utm_medium=email> > Back to top <#-239076200_digest_top> > Top Level Variables or List of Shared Libraries > <http://groups.google.com/group/racket-users/t/756d4ae66b10ccce?utm_source=digest&utm_medium=email> > Leif Andersen <l...@leifandersen.net>: Jan 19 02:14PM -0500 > > Is it possible to either create a variable that persists until the > Racket VM shuts down or get a list of all of the libraries that are > shared libraries that are currently being linked against the ...more > <http://groups.google.com/group/racket-users/msg/35de0838d7c0d?utm_source=digest&utm_medium=email> > "John Clements" <cleme...@brinckerhoff.org>: Jan 19 03:20PM -0500 > > > Racket VM shuts down or get a list of all of the libraries that are > > shared libraries that are currently being linked against the racket > > vm? > > I can’t help you. But! This reminds me of a ...more > <http://groups.google.com/group/racket-users/msg/36179d5e313f3?utm_source=digest&utm_medium=email> > Back to top <#-239076200_digest_top> > 1st Call for Contributions for SPLASH'16: OOPSLA, Onward!, Workshops, DLS, > SLE, GPCE > <http://groups.google.com/group/racket-users/t/5e4abd79f17b76f4?utm_source=digest&utm_medium=email> > Tijs van der Storm <st...@cwi.nl>: Jan 19 02:41PM +0100 > > > /************************************************************************************/ > ACM Conference on Systems, Programming, Languages, and Applications: > Software for Humanity (SPLASH'16) > ...more > <http://groups.google.com/group/racket-users/msg/361355f011ff1?utm_source=digest&utm_medium=email> > Back to top <#-239076200_digest_top> > Store value with unsupported type in Postgres? > <http://groups.google.com/group/racket-users/t/1e725f4f2c9c3738?utm_source=digest&utm_medium=email> > Ryan Culpepper <ry...@ccs.neu.edu>: Jan 17 07:17PM -0500 > > On 01/17/2016 06:35 PM, Alexis King wrote: > > type: inet > > typeid: 869 > > > Is there any way to annotate this so that I can insert into that table? > > Try something like > ...more > <http://groups.google.com/group/racket-users/msg/34ad6abb989b3?utm_source=digest&utm_medium=email> > Back to top <#-239076200_digest_top> > Implement Topological sorting in HtDP-y way? > <http://groups.google.com/group/racket-users/t/8d99526b0f3c6550?utm_source=digest&utm_medium=email> > pvt <liweijian.h...@gmail.com>: Jan 19 12:41AM -0800 > > I just read the chapter of graph traversing from HtDP's website: > > > http://www.ccs.neu.edu/home/matthias/HtDP2e/part_five.html#%28part._fsm._sec~3atraverse-graph1%29 > > The implementation of graph ...more > <http://groups.google.com/group/racket-users/msg/33b4abd2e89e4?utm_source=digest&utm_medium=email> > Back to top <#-239076200_digest_top> > You received this digest because you're subscribed to updates for this > group. 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