If you repeatedly get this message, remember to click reload. It seems that it can get cached in your browser.
EDIT: It seems that it isn't just that and the site is just flaky (overloaded, I guess).
53 karma · joined January 16, 2011
EDIT: It seems that it isn't just that and the site is just flaky (overloaded, I guess).
* "Interaction design for complex problem solving: Developing useful and usable software" (a book by B. Mirel, 2004)
* Cognitive Dimensions Framework (the best place to start is probably http://www.cl.cam.ac.uk/~afb21/publications/BlackwellGreen-C... )
But as others have pointed out, it depends on what kind of complex system you are talking about.
https://developer.mozilla.org/en/HTML/Element https://developer.mozilla.org/en/CSS_Reference
Granted, the HTML reference doesn't have by attribute directory.