215 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 21000? 题目大意: 题目大意: 215 = 32768 并且其各位之和为 is 3 + 2 + 7 + 6 + 8 = 26. 21000 的各位数之和是多少? // (Problem 16)Power digit sum // Completed on Sun, 17 No…
(1.16)mysql server优化之buffer pool 1.innodb buffer pool 查看 show status like 'Innodb_buffer_pool_%'; 该部分转自:https://blog.csdn.net/huoyuanshen/article/details/72302976innodb_buffer_pool参数解释: 查看 show status like 'Innodb_buffer_pool_%'; ,设置的过大,会导致system的s…