think in terms of positives, not negatives
for example 'ishidden(true)' is confusing. instead to 'isvisible'.
think about ng-show/hide ng-disabled what? this is confusing.
instead of this, think in terms of enabled/showing
this is both for myself (because i get confused) and for other people
evidently it's not always clear especially to non-native english speakers what the hell is going on
example from ariya hidayat's blog: if you asked him if
false, that'd take a minute of thinking to even
understand. instead, why not just