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Problem Description Last year summer Max traveled to California for his vacation. He had a great time there: took many photos, visited famous universities, enjoyed beautiful beaches and tasted various delicious foods. It is such a good trip that Max
1. 使用find()方法 >>> text = 'yeah, but no, but yeah, but no, but yeah' >>> text.find('no')10 2. 使用re.match() 对于复杂的匹配需要使用正则表达式和re 模块.为了解释正则表达式的基本原理,假设想匹配数字格式的日期字符串比如11/27/2012 ,可以这样做:>>> text1 = '11/27/2012'>>> text2 = 'Nov
本文始发于个人公众号:TechFlow 这是LeetCode的第10题,题目关于字符串的正则匹配,我们先来看题目相关信息: Link Regular Expression Matching Difficulty Hard Description Given an input string (s) and a pattern (p), implement regular expression matching with support for '.' and '*'. '.' Matches an
1. 参数中直接加入%%,注意不需要加两个单引号,加了就会出错,因为系统会自动为字符串类型加上两个单引号 <select id="selectPersons" resultType="person" parameterType="person"> select id,sex,age,username,password from person where true <if test="username!=null&qu
问题描述 @Select("select * from account order by #{orderBy} #{orderRule} limit #{start},#{offset}") public List<Account> getAccountList(@Param("orderBy") String orderBy, @Param("orderRule") String orderRule, @Param("st