Re: [racket-users] printing errors

[Robby Findler]

It may be that you're seeing the "clever"ness of the DrRacket repl. If the
last character printed is a newline, it only shows it when there is another
character after the newline.

Robby

On Thu, Aug 27, 2020 at 5:18 PM Sorawee Porncharoenwase <
sorawee.pw...@gmail.com> wrote:

> For stacktrace, use error-print-context-length to suppress it:
>
> (define (print-exn exn)
>   (parameterize ([error-print-context-length 0])
> ((error-display-handler)
>  (if (exn? exn)
>  (exn-message exn)
>  (format "~a" exn))
>  exn)))
>
> I don’t see any extra newline though.
>
> On Thu, Aug 27, 2020 at 3:11 PM Shriram Krishnamurthi 
> wrote:
>
>> This is perfect, thanks!
>>
>> Two follow-up questions:
>>
>> 1. The error printer seems to print an extra newline at the end relative
>> to what the port-display-handler (for instance) shows. Is there a way to
>> suppress that?
>>
>> 2. The stack trace seems to be extracted automatically. Is there a way to
>> suppress it entirely?
>>
>> Shriram
>>
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>> 
>> .
>>
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> 
> .
>

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Re: [racket-users] printing errors

[Sorawee Porncharoenwase]

For stacktrace, use error-print-context-length to suppress it:

(define (print-exn exn)
  (parameterize ([error-print-context-length 0])
((error-display-handler)
 (if (exn? exn)
 (exn-message exn)
 (format "~a" exn))
 exn)))

I don’t see any extra newline though.

On Thu, Aug 27, 2020 at 3:11 PM Shriram Krishnamurthi 
wrote:

> This is perfect, thanks!
>
> Two follow-up questions:
>
> 1. The error printer seems to print an extra newline at the end relative
> to what the port-display-handler (for instance) shows. Is there a way to
> suppress that?
>
> 2. The stack trace seems to be extracted automatically. Is there a way to
> suppress it entirely?
>
> Shriram
>
> --
> You received this message because you are subscribed to the Google Groups
> "Racket Users" group.
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> 
> .
>

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Re: [racket-users] printing errors

[Shriram Krishnamurthi]

This is perfect, thanks!

Two follow-up questions:

1. The error printer seems to print an extra newline at the end relative to
what the port-display-handler (for instance) shows. Is there a way to
suppress that?

2. The stack trace seems to be extracted automatically. Is there a way to
suppress it entirely?

Shriram

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Re: [racket-users] printing errors

[Robby Findler]

Yes, something like this:

(define (print-exn exn)
((error-display-handler)
 (if (exn? exn)
 (exn-message exn)
 (format "~a" exn))
 exn))

On Thu, Aug 27, 2020 at 3:31 PM Shriram Krishnamurthi 
wrote:

> Given an exception, is there a way to print the error using Racket's
> conventional error printing machinery (e.g., in color in DrRacket, etc.),
> without halting execution?
>
> I would like to be able to integrate this with #%printing-module-begin and
> #%top-interaction. Unfortunately, those by default will halt execution
> after printing the message.
>
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> 
> .
>

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[racket-users] printing errors

[Shriram Krishnamurthi]

Given an exception, is there a way to print the error using Racket's 
conventional error printing machinery (e.g., in color in DrRacket, etc.), 
without halting execution?

I would like to be able to integrate this with #%printing-module-begin and 
#%top-interaction. Unfortunately, those by default will halt execution 
after printing the message.

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Re: [racket-users] Re: new racket-lang.org website

[gtrz...@gmail.com]

Looks OK now - I would leave it at that - no need to complicate things 
further!

On Thursday, August 27, 2020 at 3:50:44 PM UTC+2 Robby Findler wrote:

> I made an attempt at solution 2 (the font seemed to be already pretty 
> small just before 650px) and I've updated things here: 
> https://users.cs.northwestern.edu/~robby/tmp/Web/www/
>
> Is that better? What do you think?
>
> Robby
>
>
> On Thu, Aug 27, 2020 at 7:53 AM gtrz...@gmail.com  
> wrote:
>
>> The only problem I see is between 550 - 650 px width of the screen, the 
>> tab menu labels are squashed  (as in Dominik's screenshot)  and the code 
>> samples in 'Racket, the Language-Oriented Programming Language' are outside 
>> the width of the headers . 
>> Solutions:
>> 1. Keep the tabs (although with smaller fonts) but change content 
>> flex-direction to row for this range
>> or
>> 2. Have just one cut off - 650px for mobile/tablet
>>
>> On Tuesday, August 25, 2020 at 7:51:57 PM UTC+2 Robby Findler wrote:
>>
>>> Hi all: as you may know if you follow dev@, we've been revising the 
>>> website. The new version went live last night; please have a look: 
>>> https://www.racket-lang.org/
>>>
>>> A big Thank You to Matthew Butterick for the previous design which, as 
>>> you can tell, inspired the current visual design.
>>>
>>> Matthew, Robby, Sam, Jay, John, and Matthias
>>>
>>> -- 
>> You received this message because you are subscribed to the Google Groups 
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>> email to racket-users...@googlegroups.com.
>>
> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/racket-users/e9346cb6-a68d-4f49-9c0c-61165e1881e3n%40googlegroups.com
>>  
>> 
>> .
>>
>

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Re: [racket-users] Re: new racket-lang.org website

[Robby Findler]

I made an attempt at solution 2 (the font seemed to be already pretty small
just before 650px) and I've updated things here:
https://users.cs.northwestern.edu/~robby/tmp/Web/www/

Is that better? What do you think?

Robby


On Thu, Aug 27, 2020 at 7:53 AM gtrz...@gmail.com 
wrote:

> The only problem I see is between 550 - 650 px width of the screen, the
> tab menu labels are squashed  (as in Dominik's screenshot)  and the code
> samples in 'Racket, the Language-Oriented Programming Language' are outside
> the width of the headers .
> Solutions:
> 1. Keep the tabs (although with smaller fonts) but change content
> flex-direction to row for this range
> or
> 2. Have just one cut off - 650px for mobile/tablet
>
> On Tuesday, August 25, 2020 at 7:51:57 PM UTC+2 Robby Findler wrote:
>
>> Hi all: as you may know if you follow dev@, we've been revising the
>> website. The new version went live last night; please have a look:
>> https://www.racket-lang.org/
>>
>> A big Thank You to Matthew Butterick for the previous design which, as
>> you can tell, inspired the current visual design.
>>
>> Matthew, Robby, Sam, Jay, John, and Matthias
>>
>> --
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> "Racket Users" group.
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> 
> .
>

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[racket-users] Re: new racket-lang.org website

[gtrz...@gmail.com]

The only problem I see is between 550 - 650 px width of the screen, the tab 
menu labels are squashed  (as in Dominik's screenshot)  and the code 
samples in 'Racket, the Language-Oriented Programming Language' are outside 
the width of the headers . 
Solutions:
1. Keep the tabs (although with smaller fonts) but change content 
flex-direction to row for this range
or
2. Have just one cut off - 650px for mobile/tablet

On Tuesday, August 25, 2020 at 7:51:57 PM UTC+2 Robby Findler wrote:

> Hi all: as you may know if you follow dev@, we've been revising the 
> website. The new version went live last night; please have a look: 
> https://www.racket-lang.org/
>
> A big Thank You to Matthew Butterick for the previous design which, as you 
> can tell, inspired the current visual design.
>
> Matthew, Robby, Sam, Jay, John, and Matthias
>
>

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