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9 小时
小鹏汽车给我开了大白菜,心痛拒了!
结果小鹏也不废话,直接扒开机器人的外衣,一镜到底再演示了遍走猫步,里面的机械结构全露出来了 , 根本没人!这下网友们彻底没话说了,谁也没想到小鹏把机器人走路做得这么逼真,是真有点东西。
腾讯网
14 小时
重构一个类,JVM竟省下2.9G内存?
答案,藏在那些被我们习以为常的“通用容器”之中—— HashMap、HashSet、自动装箱、对象头开销……它们在小规模场景下优雅高效,却在海量数据面前悄然变成“内存吞噬者”。
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