undo

29 Jan 2010 - 1:35pm
0
3 years ago
2 replies
Terms:
Paul McInerney
2009

History of the undo command FYI

I thought people would enjoy this excerpt from a New York Times
article:

"Our expectations that any action can be taken back have been primed
by a few decades of personal computing, which injected the founding
metaphor of “undoing” into the common consciousness. An early glimmer
of our Age of Undoing appeared in a prescient 1976 research report by
Lance A. Miller and John C.

8 Sep 2009 - 2:31pm
0
Terms:
Anthony Burns
2009

Cascading Undo Model for a Blogging System

I am currently working on the design of a blogging system (ala
WordPress, Movable Type) as an exercise of my independent study. As
part of the design, I would like to design and implement an
application-wide cascading undo model such as the one described by
Jan Vratislav (http://bit.ly/UYerR) In this model, undos are based on
a "cascade" of hierarchal actions in the history, whereby a user can
selectively undo an action (which also undos every subsequent action
in that action's hierarchy).

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