Minor road updates (like those in map data that might be a few months old if you're using maps from different regions) usually result in negligible cost differences for shortcuts, so the pre-calculated values remain effective.
Apply optimal browser caching headers (expires)
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Жители Санкт-Петербурга устроили «крысогон»17:52
每一轮技术浪潮中，真正穿越周期的，都是那些能够承受波动、理解结构、做好长期准备的人。