Imagine a vast shopping mall parking lot with thousands of individual parking spots and internal lanes (representing road segments within a cluster). No matter how complex it is inside, there are usually only a few key exits to the main roads. Our goal was to identify these natural "exits" for each map cluster. For instance, the complex road network around Amsterdam Airport Schiphol (see on OpenStreetMap) has many internal roads but limited primary access points.
什么才是大慈善？什么才是真正的达己达人、兼济天下？就是曾国藩说的，以转移天下风气为己任。“凡民之生，庸庸戢戢者皆是，须一二贤且智者率众向义，则风俗渐自淳厚。”这才是大慈善。
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I ripped out almost all of my lipgloss calls and replaced them with hand-rolled functions for concatting and measuring strings. These functions weren’t nearly as general, but that’s fine - they worked for my use case.