[racket-users] Re: Complete Word (Ctrl+/)

2018-11-05 Thread Gregor Kopp
@Glenn Hoetker: First, create a file with rkt ending with the following content: #lang s-exp framework/keybinding-lang (text:get-completions/manuals false) (keybinding "c:TAB" (λ (editor event) (send editor auto-complete))) ; i changed this to control+tab, its more convenient for me.

Re: [racket-users] Creating truly unique instances of structure types?

2018-11-05 Thread Ryan Culpepper
On 11/5/18 5:26 PM, Alexis King wrote: To my knowledge, there are two main techniques for creating unique values in Racket: `gensym` and structure type generativity. The former seems to be bulletproof — a value created with `gensym` will never be `equal?` to anything except itself – but the

[racket-users] Racket PPA for Ubuntu updated for v7.1

2018-11-05 Thread Asumu Takikawa
Hi folks, The Racket PPA is now updated for v7.1 (since about 5 days ago but I didn't have time to test it until today): https://launchpad.net/~plt/+archive/ubuntu/racket Should be available on xenial, trusty, bionic, and cosmic. Please report any issues to

[racket-users] Creating truly unique instances of structure types?

2018-11-05 Thread Alexis King
To my knowledge, there are two main techniques for creating unique values in Racket: `gensym` and structure type generativity. The former seems to be bulletproof — a value created with `gensym` will never be `equal?` to anything except itself – but the latter isn’t. Using reflective operations,

[racket-users] RacketCon 2018 videos

2018-11-05 Thread Eric Haney
Hello, I noticed that Youtube has a few streams of the recent RacketCon event. I can get the gist of what the speakers are saying, but they are hard to follow in detail. Any word if higher quality uploads are available for the talks? I don't know who to thank for all of the previous years'

Re: [racket-users] Subproceses in Windows

2018-11-05 Thread Sean Kemplay
Thanks George, that explains it perfectly. On Monday, November 5, 2018 at 5:11:04 PM UTC, gneuner2 wrote: > > > > On 11/5/2018 11:49 AM, Sean Kemplay wrote: > > Hi All, > > I am trying to open windoes explorer from Racket using the following - > > (system* "cmd" "start" "explorer.exe") > >

Re: [racket-users] Places and many cores? (File descriptor limit?)

2018-11-05 Thread Matt Jadud
On Mon, Nov 5, 2018 at 11:49 AM George Neuner wrote: > > Don't throw it away too quickly. > > With a nod to process/thread scheduling: unless you muck with > process/thread groups, by default Linux tries to gang schedule all the > (ready) threads of a process to run simultaneously. > > Rather

Re: [racket-users] Subproceses in Windows

2018-11-05 Thread George Neuner
On 11/5/2018 11:49 AM, Sean Kemplay wrote: Hi All, I am trying to open windoes explorer from Racket using the following - (system* "cmd" "start" "explorer.exe") However it is not working and #f is being returned. This works fine from Go and even VBScript! Anyone know what I am missing?

[racket-users] Subproceses in Windows

2018-11-05 Thread Sean Kemplay
Hi All, I am trying to open windoes explorer from Racket using the following - (system* "cmd" "start" "explorer.exe") However it is not working and #f is being returned. This works fine from Go and even VBScript! Anyone know what I am missing? Kind regards, Sean -- You received this

Re: [racket-users] Places and many cores? (File descriptor limit?)

2018-11-05 Thread George Neuner
On 11/5/2018 9:57 AM, Matt Jadud wrote: On Sun, Nov 4, 2018 at 5:30 PM George Neuner > wrote: One .zo per distributed place is just one descriptor per process.  Again insignificant because you have 4K per process. It's apparent that the code is

Re: [racket-users] Places and many cores? (File descriptor limit?)

2018-11-05 Thread Matt Jadud
Hi all, First, thank you for the conversation around this. On Sun, Nov 4, 2018 at 5:30 PM George Neuner wrote: > > One .zo per distributed place is just one descriptor per process. Again > insignificant because you have 4K per process. > > It's apparent that the code is leaking descriptors

Re: [racket-users] Re: Complete Word (Ctrl+/)

2018-11-05 Thread Robby Findler
Maybe you can call this function: http://docs.racket-lang.org/framework/Text.html?q=get-completions%2Fmanuals#%28def._%28%28lib._framework%2Fmain..rkt%29._text~3aget-completions%2Fmanuals%29%29 from the top-level of your keybindings file? Robby On Mon, Nov 5, 2018 at 3:11 AM Glenn Hoetker

[racket-users] Re: Complete Word (Ctrl+/)

2018-11-05 Thread Glenn Hoetker
I'm afraid I don't have a suggestion, but a question. The code you provided makes sense to me and duplicates something I'd like, but I'm unsure how to enable it in DrRacket. May I ask how you did so? Thank you. Glen On Wednesday, September 12, 2018 at 6:11:12 PM UTC+10, Gregor Kopp wrote: >