Bubble Foundry


Posts tagged with: KVO

Subscribing to collection changes using ReactiveCocoa
When selecting items from a list in an iOS app, e.g. a table view of address book entries, we’ll often keep track of the selected items using a mutable container, whether an array or a set. It, follows, then that we might want to only enable the Submit button once at least one item has […] Read more – ‘Subscribing to collection changes using ReactiveCocoa’.