scp -r index.html root@115.159.xx.xx:/usr/local/www
const chunk = (arr, size) => Array.from({ length: Math.ceil(arr.length / size) }, (v, i) => ar
计算逆波兰式(后缀表达式)的值 运算符仅包含"+","-",""和"/",被操作数可能是整数或其他表达式 例如: ["2", "1", "+", "3", ""] -> ((2 + 1) * 3) -> 9↵ ["4", "13", "5", "/...