题目: 给定两个字符串 s 和 *t*,判断它们是否是同构的. 如果 s 中的字符可以被替换得到 *t* ,那么这两个字符串是同构的. 所有出现的字符都必须用另一个字符替换,同时保留字符的顺序.两个字符不能映射到同一个字符上,但字符可以映射自己本身. Given two strings s* and t*, determine if they are isomorphic. Two strings are isomorphic if the characters in s* can be rep…
Algorithm [leetcode]893. Groups of Special-Equivalent Strings https://leetcode.com/problems/groups-of-special-equivalent-strings/ 1)problem You are given an array A of strings. Two strings S and T are special-equivalent if after any number of moves,…
讲Interpolated Strings之前,让我们先看EF Core 2.0 的一个新的特性:String interpolation in FromSql and ExecuteSqlCommand. var city = "London"; using (var context = CreateContext()) { context.Customers .FromSql($@" SELECT * FROM Customers WHERE City = {city}&…
