Yes Mike that is a helpful trick. On Fri, Mar 16, 2018 at 9:31 AM, Mike Bonner via use-livecode < use-livecode@lists.runrev.com> wrote:
> Another way around the cache problem is to use the #2 trick at the end of > the url. Send each request with a pound and different number at the end of > the url and it'll be seen as a new request thus doing an end run around the > cache. Since it designates an inline anchor position on the page, it > should have zero affect on the way the url functions. (unless things have > changed, the associated anchor doesn't need to exist on the page) > > Thanks for the neat trick Charles. :) > > On Fri, Mar 16, 2018 at 7:24 AM, Tom Glod via use-livecode < > use-livecode@lists.runrev.com> wrote: > > > Wow....I'm impressed....thats quite a hack Charles..I will study all this > > see how far I get..... > > > > Thank you gentlemen....you are Rockstars!! > > > > On Fri, Mar 16, 2018 at 7:13 AM, Lagi Pittas via use-livecode < > > use-livecode@lists.runrev.com> wrote: > > > > > Maybe not 100% reliable but .... > > > > > > https://stackoverflow.com/questions/1341089/using-meta- > > > tags-to-turn-off-caching-in-all-browsers > > > > > > Regards Lagi > > > > > > On 16 March 2018 at 09:48, Charles Warwick via use-livecode > > > <use-livecode@lists.runrev.com> wrote: > > > > Hi Tom, > > > > > > > > If the site you are trying to contact has CORS enabled appropriately, > > > then you can do something like this... > > > > > > > > With the LiveCode browser widget, you can call JavaScript functions > > from > > > LC script and have the JavaScript functions call LC handlers in return. > > > JavaScript has the capability to perform asynchronous HTTP requests. > > > > > > > > You can create a HTML page that you automatically load up in the > > browser > > > widget that has a small JavaScript function which you can call from LC > > with > > > ‘do in widget’. All this function needs to do is issue an > asynchronous > > > HTTP call to the URL passed to it as a parameter and when it receives > the > > > data, return it back to your LC script by calling a nominated LC > handler > > > and passing the returned data as a parameter. > > > > > > > > The HTML page would look something like this: > > > > > > > > <html> > > > > <head> > > > > <title>Javascript Async Test</title> > > > > <script type="text/javascript"> > > > > > > > > function httpGetAsync(theUrl) > > > > { > > > > var xmlHttp = new XMLHttpRequest(); > > > > xmlHttp.onreadystatechange = function() { > > > > if (xmlHttp.readyState == 4 && xmlHttp.status == 200) > > > > liveCode.httpRequestComplete(theUrl, > > xmlHttp.responseText); > > > > } > > > > xmlHttp.open("GET", theUrl, true); // true for asynchronous > > > > xmlHttp.send(null); > > > > } > > > > </script> > > > > </head> > > > > <body> > > > > </body> > > > > <html> > > > > > > > > You can either load that from a file into the browser widget’s URL or > > > set its htmlText property accordingly... > > > > > > > > Then in LC, make sure you register the httpRequestComplete handler so > > > that the widget can call it: > > > > > > > > set the javascriptHandlers of widget “browser” to > “httpRequestComplete” > > > > > > > > After that, add a httpRequestComplete handler to the card script to > > > handle the returned data: > > > > > > > > on httpRequestComplete pUrl, pData > > > > — pUrl will be the URL requested > > > > — pData will be the data returned from the URL requested > > > > end httpRequestComplete > > > > > > > > Lastly, make your async requests.... > > > > > > > > do (“httpGetAsync(‘http://www.livecode.com’);” in widget “browser” > > > > > > > > Since the JavaScript in the browser widget is issuing the requests > and > > > sending the data back to LC, it doesn’t need to display anything > related > > to > > > it in the browser widget itself - it can be a blank canvas. > > > > > > > > Just be aware that the browser widget can cache URLs and there is no > > > easy way (that I know of?) in LC to clear the browser’s cache... so if > > you > > > see very quick responses on a second or subsequent request to the same > > URL, > > > it is likely pulling it all from the browser’s cache. > > > > > > > > Cheers, > > > > > > > > Charles > > > > > > > >>> On 16 Mar 2018, at 1:35 pm, Tom Glod via use-livecode < > > > use-livecode@lists.runrev.com> wrote: > > > >>> > > > >>> Great hints there Mike .... thanks alot. Luckily I'm desktop only > > > right > > > >>> now. > > > >>> > > > >>> It shouldn't be too long before I sit down to make something that I > > can > > > >>> rely on and reuse in future projects. > > > >>> > > > >>> Might turn out I will have to hire someone to help which is cool > too. > > > >>> > > > >>> It only has to be very simple..and does not need to match > performance > > > of > > > >>> Tsnet. > > > >>> > > > >>> Anything more than 1 would be a great start. LOL. > > > >>> > > > >>> I will look into the libURL library and then try to guess which > way I > > > >>> should go my first attempt to hack this. > > > >>> > > > >>> I'll keep you guys posted on the progress..I think I need a name > for > > > this > > > >>> little project. > > > >>> > > > >>> Thanks you > > > >>> > > > >>> Tom > > > > _______________________________________________ > > > > use-livecode mailing list > > > > use-livecode@lists.runrev.com > > > > Please visit this url to subscribe, unsubscribe and manage your > > > subscription preferences: > > > > http://lists.runrev.com/mailman/listinfo/use-livecode > > > > > > _______________________________________________ > > > use-livecode mailing list > > > use-livecode@lists.runrev.com > > > Please visit this url to subscribe, unsubscribe and manage your > > > subscription preferences: > > > http://lists.runrev.com/mailman/listinfo/use-livecode > > > > > _______________________________________________ > > use-livecode mailing list > > use-livecode@lists.runrev.com > > Please visit this url to subscribe, unsubscribe and manage your > > subscription preferences: > > http://lists.runrev.com/mailman/listinfo/use-livecode > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode