----- Original Message -----
Sent: Wednesday, March 31, 2004 5:01
PM
Subject: on-the-fly
Oes rhywun
wedi dod ar draws yr uchod o'r blaen?. Unrhyw awgrymiadau?
Diolch ymlaen
llaw
Diffiniad:
on the fly
In relation to computer technology, "on the fly" describes
activities that develop or occur dynamically rather than as the result of
something that is statically predefined. For example, the content of a page
that is sent to you from a Web
site can be developed (and varied) "on the fly" based on dynamic factors
such as the time of day, what pages the user has looked at previously, and
specific user input. The Web server calls an application program to produce
the "on-the-fly" page that is to be returned. There are several techniques for
on-the-fly page development, including the server-side
include, the use of cookie
(information previously stored about you that is located in a special file on
your hard disk), and Microsoft's Active
Server Page. In general usage, the expression often connotes a degree of
haste and improvisation as in "I usually grab breakfast on the fly." This
usage is somewhat similar to the expression "catch as catch can." The term
also can simply connote being in a mobile or fluid situation. Our Webster's
New World Dictionary reminds us that the term probably originated with
bird hunting and shooting birds on the fly (rather than on the ground). The
dictionary says simply ""in flight" and adds a colloquial meaning of "in a
hurry
