Hi Bob, Good summary, Bob. It summarizes nicely the issues that I’m dealing with in creating a client-side student helper app. Your RealTime function works nicely. The only thing missing is the year, which again, is something that a user could set manually.
Regards, Gregory On Tue, Aug 16, 2011, at 11:44 AM, use-livecode-requ...@lists.runrev.com wrote: > Message: 1 > Date: Mon, 15 Aug 2011 17:04:42 -0700 > From: Bob Sneidar <b...@twft.com> > To: How to use LiveCode <use-livecode@lists.runrev.com> > Subject: Re: Grabbing the Date and Time From a Time Server on the > Internet > Message-ID: <71dfe006-b408-43b4-8cec-ab4f1fe20...@twft.com> > Content-Type: text/plain; charset=us-ascii > > The Internet Date returns the date and time, along with the current time zone > set in your preferences. If the user changes his date and time manually > though, it will faithfully return whatever the user enters. Querying a time > server on the internet will always return the real date and time. > > Suppose you had a trial scheme which expired the license after 30 days. The > easiest way to defeat that would be to always set the clock back whenever you > used the software. But that would be to no avail if you check the RealTime > (as I named my function). > > Also, Windows Clients are sometimes configured to get the date and time from > an internal time server running on the network. If that time server service > stops functioning and the admin doesn't know it, the time can drift quite a > bit aver several weeks. Any app that was critically dependent on knowing the > exact time might not work correctly. > > Someone mentioned that if you were using sql, that you could query the sql > server for the date and time. This actually has a real advantage over a time > server, as NTP or even HTTP could be blocked by a personal firewall using > ports or a blacklist, but no one could firewall off the sql server you need > to run your application! > > Bob _______________________________________________ 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