A potential pitfall with types, while, is identify clashes. For those who employ a category strategy With all the exact same identify being an current system from the referenced course, the actions at runtime is undefined (i.Once the layer Along with the shadow is rasterized, it's rendered a

A typical reason behind exc_bad_access glitches that aren't detectable by the compiler is attempting to entry produced objects. In these situations, enabling NSZombies in Xcode may be an efficient debugging system. Enabling NSZombies keeps objects that could Usually be released alive as “zombies”.

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Synchronously loading web content. If loading is completed synchronously, it can stall out the most crucial thread though the data hundreds, which could trigger a perceptible lag when scrolling. That is a very typical challenge when photographs are being downloaded for displaying in table cells.

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