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comp.lang.ruby

How exactly does Tryruby work?

golubovsky

10/18/2007 4:48:00 PM

Hi,

I have always been curious: how does Tryruby (http://
tryruby.hobix.com/) work: does it contain a Ruby interpreter coded in
Javascript, or is it just a frontend to some web service?

PS I haven't tried to reverse-engineer that site understanding that
somebody might want not to disclose their ideas, but I think my
general question might be answered.

Thanks.
12 Answers

Jano Svitok

10/18/2007 4:59:00 PM

0

On 10/18/07, golubovsky@gmail.com <golubovsky@gmail.com> wrote:
> Hi,
>
> I have always been curious: how does Tryruby (http://
> tryruby.hobix.com/) work: does it contain a Ruby interpreter coded in
> Javascript, or is it just a frontend to some web service?
>
> PS I haven't tried to reverse-engineer that site understanding that
> somebody might want not to disclose their ideas, but I think my
> general question might be answered.
>
> Thanks.

There's a patched interpreter running behind. Google for
FreakyFreakySandbox. _why patched the interpreter to separate the
individual session from each other. That interpreter is connected to
the webserver using drb. (This is what I remember from various mailing
list/blog posts, so I don't guarantee anything ;-)

Jano

John Joyce

10/18/2007 5:03:00 PM

0


On Oct 18, 2007, at 11:50 AM, golubovsky@gmail.com wrote:

> Hi,
>
> I have always been curious: how does Tryruby (http://
> tryruby.hobix.com/) work: does it contain a Ruby interpreter coded in
> Javascript, or is it just a frontend to some web service?
>
> PS I haven't tried to reverse-engineer that site understanding that
> somebody might want not to disclose their ideas, but I think my
> general question might be answered.
>
> Thanks.
>
>
Mostly javascript that talks to the server (ajax...)
Just view the page source when it loads in your browser.

M. Edward (Ed) Borasky

10/19/2007 2:45:00 AM

0

golubovsky@gmail.com wrote:
> Hi,
>
> I have always been curious: how does Tryruby (http://
> tryruby.hobix.com/) work: does it contain a Ruby interpreter coded in
> Javascript, or is it just a frontend to some web service?
>
> PS I haven't tried to reverse-engineer that site understanding that
> somebody might want not to disclose their ideas, but I think my
> general question might be answered.
>
> Thanks.

There's a 13-year-old kid watching a log file with "tail -f". When a
request comes in, he reads it off the monitor and types it into a Mac
Mini running "irb". Then he copies the "irb" results into an HTML page
source that he's editing in "vi" and does ":w!" to update the HTML!

Joel VanderWerf

10/19/2007 3:49:00 AM

0

M. Edward (Ed) Borasky wrote:
> There's a 13-year-old kid watching a log file with "tail -f". When a
> request comes in, he reads it off the monitor and types it into a Mac
> Mini running "irb". Then he copies the "irb" results into an HTML page
> source that he's editing in "vi" and does ":w!" to update the HTML!

"And what's behind that vi window, making that work?"

"You can't fool me, Mr. James, it's teenagers all the way down!"

--
vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407

John Joyce

10/19/2007 3:57:00 AM

0


On Oct 18, 2007, at 10:48 PM, Joel VanderWerf wrote:

> M. Edward (Ed) Borasky wrote:
>> There's a 13-year-old kid watching a log file with "tail -f". When
>> a request comes in, he reads it off the monitor and types it into
>> a Mac Mini running "irb". Then he copies the "irb" results into an
>> HTML page source that he's editing in "vi" and does ":w!" to
>> update the HTML!
>
> "And what's behind that vi window, making that work?"
>
> "You can't fool me, Mr. James, it's teenagers all the way down!"
>
> --
> vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407
>
Nope. Prison labor. Most do license plates. A few do vi.

Giles Bowkett

10/19/2007 4:46:00 AM

0

> Nope. Prison labor. Most do license plates. A few do vi.

Yup. That's what happened to the guys from "Office Space" after they
were caught.

--
Giles Bowkett

Blog: http://gilesbowkett.bl...
Portfolio: http://www.gilesg...
Tumblelog: http://giles.t...

Martin DeMello

10/19/2007 11:50:00 AM

0

On 10/18/07, Giles Bowkett <gilesb@gmail.com> wrote:
> > Nope. Prison labor. Most do license plates. A few do vi.
>
> Yup. That's what happened to the guys from "Office Space" after they
> were caught.

pound-me-in-the-ascii federal prison

martin

Rick DeNatale

10/19/2007 5:34:00 PM

0

On 10/18/07, M. Edward (Ed) Borasky <znmeb@cesmail.net> wrote:
> golubovsky@gmail.com wrote:
> > Hi,
> >
> > I have always been curious: how does Tryruby (http://
> > tryruby.hobix.com/) work: does it contain a Ruby interpreter coded in
> > Javascript, or is it just a frontend to some web service?
> >
> > PS I haven't tried to reverse-engineer that site understanding that
> > somebody might want not to disclose their ideas, but I think my
> > general question might be answered.
> >
> > Thanks.
>
> There's a 13-year-old kid watching a log file with "tail -f". When a
> request comes in, he reads it off the monitor and types it into a Mac
> Mini running "irb". Then he copies the "irb" results into an HTML page
> source that he's editing in "vi" and does ":w!" to update the HTML!

No, no NO!

It's a couple of *cats* and every time one of them types :w! they get
a dose of chunky bacon!


--
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denh...

Ari Brown

10/19/2007 6:19:00 PM

0


On Oct 19, 2007, at 1:34 PM, Rick DeNatale wrote:
> No, no NO!
>
> It's a couple of *cats* and every time one of them types :w! they get
> a dose of chunky bacon!

They're foxes......

nice blog, btw!

I read it religiously :-)

-------------------------------------------------------|
~ Ari
crap my sig won't fit

Ari Brown

10/19/2007 6:20:00 PM

0


On Oct 19, 2007, at 7:49 AM, Martin DeMello wrote:

> On 10/18/07, Giles Bowkett <gilesb@gmail.com> wrote:
>>> Nope. Prison labor. Most do license plates. A few do vi.
>>
>> Yup. That's what happened to the guys from "Office Space" after they
>> were caught.
>
> pound-me-in-the-ascii federal prison

So has anyone given a legitimate answer yet? i'm actually kind of
interested in how it works, too....


Ari
-------------------------------------------|
Nietzsche is my copilot