We fixed an issue where “Driver Available” notifications were being sent for drivers that were already installed. And we’ve improved the reliability of remembering Bluetooth state between sessions. And “Wacom” settings has been renamed to “Pen & Drawing” since it also provides settings for internal digitizers in devices like StarLab’s StarLite.
Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
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新花都夜总会像1990年代内地县城的卡拉OK（图：南方人物周刊记者 方迎忠）