Re: BW in a search
This WebDNA talk-list message is from 2007
It keeps the original formatting.
numero = 68530
interpreted = N
texte = Olin Lagon wrote: > [math]1234567890123456[/math] > > You get this 1.23456789012346e+015 That has nothing to do with WebCatalog, /per se/, but rather the underlying CRT (C Run-Time library) being unable to handle arbitrarily large integers. > So if in a search context large numbers (carts, dates, etc) may get A date number is 32bits (number of seconds since the epoch) and hence will be small enough to fit in any modern O/S's integer (until 2038, that is). On the other hand, [cart] is *not* a number, because it has a variable length (multiple carts issued in the same second will have a uniquifier appended to them). It may look like a number, but if you treat it as one, your sites will break in annoying and hard to track ways (since it will only be variable length under heavy load). There are probably a few people here who were running WebCatalog on 2001-09-09 Sun, when the typical length of the [cart] value went from 15 to 16 characters (corresponding to 1 billion seconds after the Unix epoch). John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4501 Forbes Blvd Suite H Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list
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Associated Messages, from the most recent to the oldest:
Olin Lagon wrote: > [math]1234567890123456[/math] > > You get this 1.23456789012346e+015 That has nothing to do with WebCatalog, /per se/, but rather the underlying CRT (C Run-Time library) being unable to handle arbitrarily large integers. > So if in a search context large numbers (carts, dates, etc) may get A date number is 32bits (number of seconds since the epoch) and hence will be small enough to fit in any modern O/S's integer (until 2038, that is). On the other hand, [cart] is *not* a number, because it has a variable length (multiple carts issued in the same second will have a uniquifier appended to them). It may look like a number, but if you treat it as one, your sites will break in annoying and hard to track ways (since it will only be variable length under heavy load). There are probably a few people here who were running WebCatalog on 2001-09-09 Sun, when the typical length of the [cart] value went from 15 to 16 characters (corresponding to 1 billion seconds after the Unix epoch). John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4501 Forbes Blvd Suite H Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
John Peacock
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