If you made it through installing ReactiveCocoa, via Cocoapods, which required you to have ruby, update it and install Cocoapods and CLT, then you’re already ahead! So here is RAC. RAC is used when you need to be notified of something important in your app; completed download, some long asynchronous task like data fetching, parsing or image processing is complete or to update UI such as a completed form produces an active Submit button or an incomplete field yields a red warning sign to the user. How does RAC work? You basically create signals for events you are interested in (like the ones mentioned above) and then you tie those… Read More
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