... just clicked the send button too early.
I use streams if the expected data is big and I want the memory
consumption to be low. Meaning, "Please interrupt me, and give me
small chunks, because I couldn't handle the big response".
Lothar
On Apr 28, 10:15 am, Lothar Pfeiler <lpfei...@googlemail.com> wrote:
> I understand the philosophy of using callbacks as "Please call me
> back, when the job is done". Meaning, call me back after calculating
> all prime numbers. (avoid roundtrips)
>
> I understand the event emitter philosophy as "Please interrupt me all
> the time you have news for me". Meaning, interrupt me for every single
> prime number. (lots of roundtrips, because I want to show the most
> current state all the time)
>
> So, a PrimeNumberGenerator could offer both versions for every
> purpose. And every single app might have a different understanding of
> the job size (or chunk size) and what are the news. So, the question
> for the app (which uses the PNG) would be, whether it wants to act on
> every event or just act on a final result.
>
> Lothar
>
> On Apr 28, 6:20 am, Mark Hahn <m...@hahnca.com> wrote:
>
>
>
>
>
>
>
> > How can it be sugar? It isn't compiled into anything else. Sugar is part
> > of a syntax in a language.
>
> > You can call it whatever you want but it is a anonymous function being used
> > as a callback and passed to a node function that is called many times.
>
> > On Fri, Apr 27, 2012 at 8:57 PM, crypticswarm <crypticsw...@gmail.com>wrote:
>
> > > On Fri, Apr 27, 2012 at 10:40 PM, Mark Hahn <m...@hahnca.com> wrote:
>
> > >> > I would say that in node calling a callback more than once is not only
> > >> discouraged, but forbidden, as if it were part of an implied, non written
> > >> contract.
>
> > >> Then how do you explain ...
>
> > >> http.createServer(function (req, res) {
>
> > > http.createServer(function (req, res) {})
>
> > > is sugar for:
>
> > > http.createServer().on('request', function (req, res) {})
>
> > > --
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