[racket-users] server downtime

We will be performing maintenance on one of the PLT servers Monday afternoon. Some services will be unavailable during that time, including PLaneT, mailing list archives, and the old bug database. The main web pages, the package server, and the user and dev mailing lists should be unaffected. Ry

Re: [racket-users] Package catalog - can't connect

At Sun, 20 Nov 2016 09:07:00 -0800 (PST), 書瀚張 wrote: > 在 2016年4月19日星期二 UTC+8下午8:02:39，Matthew Flatt写道： > > At Mon, 18 Apr 2016 14:32:20 -0700, Jordan Johnson wrote: > > > So I tried downloading a newer version of OpenSSL > > > (1.0.2g 1 Mar 2016), and now it fails with: > > > > > > ssl-connect: c

Re: [racket-users] Package catalog - can't connect

在 2016年4月19日星期二 UTC+8下午8:02:39，Matthew Flatt写道： > At Mon, 18 Apr 2016 14:32:20 -0700, Jordan Johnson wrote: > > So I tried downloading a newer version of OpenSSL > > (1.0.2g 1 Mar 2016), and now it fails with: > > > > ssl-connect: connect failed (error:14090086:SSL > > routines:ssl3_get_server_c

[racket-users] Re: Higher order function to append-map the application of a list of functions to a set of args?

On Sunday, November 20, 2016 at 2:05:32 PM UTC+1, Luis Sanjuán wrote: > On Tuesday, November 15, 2016 at 5:30:54 PM UTC+1, Brian Adkins wrote: > > I'm working on a simple chess engine in Racket as a learning exercise. I > > initially wrote this function: > > > > (define (valid-queen-moves board i

[racket-users] Re: Higher order function to append-map the application of a list of functions to a set of args?

On Tuesday, November 15, 2016 at 5:30:54 PM UTC+1, Brian Adkins wrote: > I'm working on a simple chess engine in Racket as a learning exercise. I > initially wrote this function: > > (define (valid-queen-moves board idx is-opposite-color?) > (append (valid-bishop-moves board idx is-opposite-col