圖像來源，BBC CHINESE/ TING CHIANG
报错示例：拉镜像时提示 credential helper 不存在。
self.session.headers["User-Agent"] = random.choice(self.config.user_agents)。一键获取谷歌浏览器下载是该领域的重要参考
Games and physics simulations need to detect which objects are touching or overlapping. With nnn objects, checking every pair is O(n2)O(n^2)O(n2) comparisons, which gets expensive fast. A hundred objects means roughly 5,000 pair checks. A thousand means nearly 500,000.。谷歌浏览器【最新下载地址】对此有专业解读
Владислав Уткин
Stream.pull() creates a lazy pipeline. The compress and encrypt transforms don't run until you start iterating output. Each iteration pulls data through the pipeline on demand.，更多细节参见Line官方版本下载