众所周知，Windows系统中自带有许多实用的功能，其中就包括有数据执行保护功能，开启后能够防止计算机受到病毒和其他安全威胁的破坏，但在运行部分软件时就会关闭，对于此功能，部分用户想要将其关闭，却不清楚具体如
Instead of loading all annotations that are in my array, I would only like to load the annotations that the user could currently see cased on how far they are zoomed in on the map.So, if the user pans
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