1.解决参考一Press enter for maintenance(or type Control-D to continue):/dev/sda3 contains a file system with errors, check forced./dev/sda3: Inodes that were part of a corrupted orphan linked list found. /dev/sda3: UNEXPECTED INCONSISTENCY; RUN fsck MANUA…
Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn't matter what you leave beyond the new length. 看题看了半天,英文不太好啊,大致意思就是,删掉数组中和给定值相同的所有元素,并返回新的数组长度,新数组不要求和原数…
方法参考自: http://stackoverflow.com/questions/8422455/performing-a-like-comparison-on-an-int-field 也就是使用CAST转换指定字段,然后进行比较.具体样例代码如下: SELECT ProductID, ProductName FROM Products WHERE CAST(ProductID as CHAR) LIKE '%15%' 但是这样做的话,MySQL不能使用对应int字段索引,而且like本身就…
PageSize = 30 PageNumber = 201 方法一:(最常用的分页代码, top / not in) UserId UserId from UserInfo order by UserId) order by UserId 备注: 注意前后的order by 一致 方法二:(not exists, not in 的另一种写法而已) LogId from UserLog order by LogId) a where a.LogId = UserLog.LogId) order…