Synchronously loading Web page. If loading is completed synchronously, it will stall out the main thread although the information loads, which could trigger a perceptible lag when scrolling. This is a particularly widespread challenge when pictures are now being downloaded for displaying in table cells.Just after earning our choice, the engineer wa

A selector would be the mechanism utilized to pick a method to execute for an object, or the unique identifier that replaces the name in the event the source code is compiled. A selector functions similar to a dynamic purpose pointer that factors towards the implementation of a category’ system.NSError objects have an error area, an mistake code,

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A typical reason behind exc_bad_access glitches that aren't detectable through the compiler is attempting to accessibility produced objects. In these types of situations, enabling NSZombies in Xcode is usually a good debugging approach. Enabling NSZombies retains objects that will normally be unveiled alive as “zombies”.NSZombies right before s

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