Re: [racket] You're invited to Neil Toronto's Dissertation Defense

2014-06-11 Thread Matthias Felleisen
Congratulations Neil! 3 PLT PhDs in one season, not a bad yield. On Jun 11, 2014, at 7:59 PM, Jay McCarthy wrote: > Neil passed and is now Dr. Toronto. All hail. The Hangout site now has > the archive video, which starts after about 15 minutes of testing > content, which this link skips: >

Re: [racket] You're invited to Neil Toronto's Dissertation Defense

2014-06-11 Thread Jay McCarthy
Neil passed and is now Dr. Toronto. All hail. The Hangout site now has the archive video, which starts after about 15 minutes of testing content, which this link skips: https://www.youtube.com/watch?v=BqMUin-MDOg#t=883 We'll be editing and posting another copy shortly. Jay On Wed, Jun 11, 2014

Re: [racket] Programming for 9 yo's

2014-06-11 Thread Daniel Prager
There's good stuff on the Computer Science Unplugged site: - Trailer: http://www.youtube.com/watch?v=KOYy4kyLEHs - Activities: http://csunplugged.org/activities Dan On Thu, Jun 12, 2014 at 6:32 AM, Stephen De Gabrielle < spdegabrie...@gmail.com> wrote: > Thanks, > I like all these. I'm g

Re: [racket] Programming for 9 yo's

2014-06-11 Thread Stephen De Gabrielle
Thanks, I like all these. I'm going to run them by the teacher to see what suits best. Thanks again, Stephen On Wednesday, 11 June 2014, Matthias Felleisen wrote: > > +1 > > > > On Jun 11, 2014, at 2:41 PM, Sharon Tuttle > wrote: > > > I'll second this -- doing some image operations using the

Re: [racket] You're invited to Neil Toronto's Dissertation Defense

2014-06-11 Thread Jay McCarthy
This event is eminent! Jay On Tue, Jun 3, 2014 at 10:47 PM, Jay McCarthy wrote: > Many of you have seen many emails and commits from my PhD student, > Neil Toronto, who has worked on projects like math and plot. He will > be defending his dissertation soon and we're going to stream the talk > fo

Re: [racket] Programming for 9 yo's

2014-06-11 Thread Matthias Felleisen
+1 On Jun 11, 2014, at 2:41 PM, Sharon Tuttle wrote: > I'll second this -- doing some image operations using the image teachpack > would give them "cool" feedback quite quickly. > > -- Sharon Tuttle > > > On Jun 11, 2014, at 11:33 AM, Jens Axel Søgaard wrote: > >> Drawing flags using th

Re: [racket] Programming for 9 yo's

2014-06-11 Thread Sharon Tuttle
I'll second this -- doing some image operations using the image teachpack would give them "cool" feedback quite quickly. -- Sharon Tuttle On Jun 11, 2014, at 11:33 AM, Jens Axel Søgaard wrote: > Drawing flags using the image TeachPack? > > /Jens Axel > > > > 2014-06-11 20:14 GMT+02:00 Keya

Re: [racket] Programming for 9 yo's

2014-06-11 Thread Neil Van Dyke
I would pick something very "physical" like robots, music, graphics, 3D printing... Maybe combine the above with a Rasberry Pi or other exposed computer, so that the educational demo is not judged by the slick standards of some rather impressive laptops/tablets/smartphones/gameconsoles that th

Re: [racket] Programming for 9 yo's

2014-06-11 Thread Jens Axel Søgaard
Drawing flags using the image TeachPack? /Jens Axel 2014-06-11 20:14 GMT+02:00 Keyan : > When I was in school, the first program that I wrote was: > > 10 input x > 20 input y > 30 print x + y > > :) > > The next one was a number-guessing program. The software draw a random > number between 1 an

Re: [racket] Programming for 9 yo's

2014-06-11 Thread Keyan
When I was in school, the first program that I wrote was: 10 input x 20 input y 30 print x + y :) The next one was a number-guessing program. The software draw a random number between 1 and 100, and the user had to guess which one by entering numbers. The output of the program was either “low

[racket] Programming for 9 yo's

2014-06-11 Thread Stephen De Gabrielle
Hi I've been asked to teach a single lesson for the 9yo's in my sons class. Does anyone have any ideas that would be suitable. They have only had a little exposure to simple logo loops. I was thinking of a simple recursion example but would appreciate any suggestions. Kind regards, Stephen PS I'm

[racket] Possible bug with DB virtual-connections and connection-pools

2014-06-11 Thread Curtis Dutton
I ran into a problem while using virtual-connections with connection-pooling in my webserver. With a postgres database. If the database itself gets restarted after a connection is formed from the webserver, then I cannot re-establish a connection afterword. In production the database and webserv

Re: [racket] customary sqlite3 binary

2014-06-11 Thread Dmitry Pavlov
Matthew, > I see several problems with `define-runtime-path` and 'so paths, which > is how `db` references "libsqlite3.so". The scenario you describe, > however, is one of the few combinations that should work. Indeed it works. I made a stupid mistake yesterday, erroneously blamed raco distribute

Re: [racket] customary sqlite3 binary

2014-06-11 Thread Matthew Flatt
After further investigation, I think that changing the name to "libsqlite3.so.0" will make things worse, not better. I see several problems with `define-runtime-path` and 'so paths, which is how `db` references "libsqlite3.so". The scenario you describe, however, is one of the few combinations tha