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LeetCode-Algorithms #003 Longest Substring Without Repeating Characters, Database #177 Nth Highest Salary
LeetCode-Algorithms #003 Longest Substring Without Repeating Characters 对于给定的字符串, 找出其每个字符都不重复的子串中最长的那个, 并返回该子串的长度: 想法还是遍历: 一看就知道效率很低, 等于是把所有不重复的子串都找出来 ...
分类:数据库   时间:2018-09-27 19:14:32    阅读次数:201
[LeetCode&Python] Problem 557. Reverse Words in a String III
Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. E ...
分类:编程语言   时间:2018-09-27 13:03:37    阅读次数:178
LoadRunner Community Edition 12.60 无法获取Community License
首次安装LoadRunner Community Edition 12.60如果遇到No valid License并且怎么也激活不了Community License的话,可以看看这篇文章。 ...
分类:编程语言   时间:2018-09-27 13:02:14    阅读次数:367
Unable to save settings: Failed to save settings. Please restart PyCharm解决
1.Unable to save settings: Failed to save settings. Please restart PyCharm解决 将工程的.ideas目录删掉,重启pycharm即可。 2.error:please select a valid Python interpre ...
分类:其他好文   时间:2018-09-27 01:44:38    阅读次数:1622
005 使用SpringMVC开发restful API二--处理创建请求
一:主要任务 1.说明 @RequestBody 映射请求体到java方法的参数 日期类型参数的处理 @Valid注解 BindingResult验证请求参数的合法性并处理校验结果 二:@RequestBody 1.@RequestBody 测试类 User.java 控制类 三:日期类型的处理 1 ...
分类:编程语言   时间:2018-09-26 00:09:50    阅读次数:225
ECS Windows服务器IIS FTP登陆提示“530 valid hostname is expected”
问题现象 ECS Windows系统服务器,在IIS 7.5下的配置的FTP如果绑定了域名,通过IP等方式连接FTP时如果出现“530 valid hostname is expected”或者“503 Login with USER first”报错。 解决方案 1.若是FTP绑定的域名是ftp. ...
分类:Windows程序   时间:2018-09-25 11:33:21    阅读次数:306
LeetCode——Problem3:Longest Substring Without Repeating Characters
Problem3:Longest Substring Without Repeating Characters ...
分类:其他好文   时间:2018-09-24 12:46:50    阅读次数:125
词法分析器Lexer
词法分析 In computer science, lexical analysis, lexing or tokenization is the process of converting a sequence of characters (such as in a computer progra ...
分类:其他好文   时间:2018-09-23 22:22:58    阅读次数:296
leetcode 93-Restore IP Addresses(medium)
Given a string containing only digits, restore it by returning all possible valid IP address combinations. Example: IP address is consist of 4 parts w ...
分类:其他好文   时间:2018-09-23 11:31:47    阅读次数:148
leetcode 76-Minimum Window Substring(hard)
Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). cases: when stand on the ...
分类:Windows程序   时间:2018-09-22 14:41:21    阅读次数:167
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