NYCPHP Meetup

[Kenneth Downs]

Allen Shaw wrote:
> Hi Chris,
>
> Yes, I had seen S5 before and thought it a pretty nifty setup.  But does 
> it allow the operator to control page-advance in real time?  The idea is 
> that if you're having a meeting with one or more remote viewers, you 
> could discuss by phone while showing them one slide at a time, at your 
> discretion.
>   
The nice thing about AJAX is the first "A", "Asynchronous".

How much trouble would we cause if a page's onload event called an AJAX 
function called "getNextSlide()".  Upon receiving the request, the 
server could sleep until a new slide is loaded (or sleep for 2 seconds 
and check, sleep for 2 seconds and check, etc.).

Once a new slide is loaded the server finally sends a slide back to the 
browser.  The AJAX on the browser activates the slide and then calls 
getNextSlide() again, re-starting the loop.

As always, the balance is between responsiveness and drag.  You can get 
away with this for a few users, but having a lot of open connections 
checking something over and over will die fast at high volume.



> - Allen
>
> Christopher R. Merlo wrote:
>
>   
>> I once saw a very nice slide show presented using S5:  
>> http://meyerweb.com/eric/tools/s5/
>> -c
>>
>>
>>     

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