[racket] Isn't the web application tutorial too advanced?

Thank you, Jay. I will read the URL-Based Dispatch tutorial. And, it's my
honor if I could do anything for the community.

Ben


On Tue, Apr 29, 2014 at 3:13 PM, Jay McCarthy <jay.mccarthy at gmail.com>wrote:

> Hi Ben,
>
> Thank you for your feedback. The basic tutorial you're imagining is
> basically contained within the beginning of the Continue. For
> instance, the first section shows how to do request handling and
> response sending (because a servlet is a function from request to
> response.) Routing has its own tutorial:
>
>
> http://docs.racket-lang.org/web-server/dispatch.html#%28part._.Using_web-server_dispatch%29
>
> and then that's it. I can imagine writing a very short tutorial that
> just concatenates these together, but I'm missing the value of doing
> that. If I write something, would you be willing to check it out for
> me?
>
> Jay
>
>
> On Mon, Apr 28, 2014 at 6:27 AM, Ben <yfefyf at gmail.com> wrote:
> > After gaining some basic understanding of web applications, I wanted to
> > develop one in Racket. So I went to the tutorial "Continue: Web
> Applications
> > in Racket". When I reached "6 Advanced Control Flow", I saw
> > `send/suspend/dispatch`. I didn't know what it is, so I clicked on the
> link
> > to see its documentation and saw a very complex starting sentence:
> >
> >> Calls make-response with a function (often named embed/url) that, when
> >> called with a procedure from `request?` to any/c will generate a URL,
> that
> >> when invoked will call the function with the `request?` object and
> return
> >> the result to the caller of send/suspend/dispatch.
> >
> > I couldn't figure out the meaning of this sentence, so I went on to
> > `send/suspend`:
> >
> >> Captures the current continuation, stores it with exp as the expiration
> >> handler, and binds it to a URL.
> >
> > Although I knew what a continuation is, I didn't know what it is in this
> > context.
> >
> > Then I gave up.
> >
> > I know that the web framework for Racket is very advanced. But IMHO, for
> the
> > tutorial, a simpler one with some basic functionality like request
> handling,
> > response sending and routing will be enough. And an advanced one would
> > probably scare beginners like me away.
> >
> > Hope my experience is somewhat useful to you.
> >
> > Thanks,
> > Ben
> >
> >
> > ____________________
> >   Racket Users list:
> >   http://lists.racket-lang.org/users
> >
>
>
>
> --
> Jay McCarthy <jay at cs.byu.edu>
> Assistant Professor / Brigham Young University
> http://faculty.cs.byu.edu/~jay
>
> "The glory of God is Intelligence" - D&C 93
>
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