When using the Web Audio API on iOS, you have run into the problem that you don’t hear anything despite it all to be be wired up correctly and no errors being thrown. There is a small notice in the Safari documentation that sounds must be triggered by explicit user action, but what does that […] Read more – ‘Playing Web Audio on iOS’.
As you may have noticed, I have stopped updating my Dutch tech meetups calendar. I’m afraid it’s just too hard to do from New York while busy with Lua. Since I know that a lot of people and sites rely upon the calendar, it’d be great if someone would be willing to step in and keep […] Read more – ‘Calendar is not being updated’.
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’.
Here at Lua we’re using both RestKit and ReactiveCocoa in our iOS app. Today we ran into a problem: we wanted to update a UI element in a view controller based upon changes to an object retrieved via RestKit. We had something like: RAC(self.nameLabel, text) = RACObserve(user, name); However, the UI never updated! Why? Knowing […] Read more – ‘Subscribing to RestKit changes using ReactiveCocoa’.