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Subscribing to collection changes using ReactiveCocoa | Tagged: , ,
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’.
Subscribing to RestKit changes using ReactiveCocoa | Tagged: , , ,
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’.
Next steps | Tagged:
As I mentioned at the beginning of year, I’ve been looking around for what’s next. This last few months has been a really interesting, fun time talking to a lot of interesting people about projects all over the world. I’m very excited to say that from the end of this month I’ll be working with […] Read more – ‘Next steps’.
(Non)Persistence of CSS Animated Properties | Tagged: , ,
For Fronting Motion I am exploring the use of CSS3 animations with keyframes. However, there are some gotchas associated with the persistence of the transformed properties that I only realized. To explain, consider the following keyframes: @keyframes fadein { from { opacity: 0; } to { opacity: 1; } } @keyframes moveRight { from { […] Read more – ‘(Non)Persistence of CSS Animated Properties’.
Finding a user’s first Instagram photo | Tagged: ,
My sister asked me how to find the first Instagram post by louboutinworld. Instagram’s website has one of those annoying paginated infinite scrolling interface, but luckily, they also have an API. Here’s what I did: Opened the API Console on Instagram’s developer site and got an OAuth access token for it. Searched for louboutinworld using […] Read more – ‘Finding a user’s first Instagram photo’.

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