https://blogs.technet.microsoft.com/heyscriptingguy/2014/07/15/keep-your-hands-clean-use-powershell-to-glue-strings-together/ powershell concat string Substitution Because the expanding string can become difficult to read, I often like to use substit…

// 字符串切割 StringField.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);…

UUID含义是通用唯一识别码 (Universally Unique Identifier),这 是一个软件建构的标准,也是被开源软件基金会 (Open Software Foundation, OSF) 的组织应用在分布式计算环境 (Distributed Computing Environment, DCE) 领域的一部分. 组成 UUID是指在一台机器上生成的数字,它保证对在同一时空中的所有机器都是唯一的.通常平台会提供生成的API.按照开放软件基金会(OSF)制定的标准计算,用到了以太网…

.Net类型中的方法功能很强大.可以通过类型的构造函数创建新的对象,也可以将已存在的对象转换成指定的类型. 通过New-Object创建新对象 如果使用构造函数创建一个指定类型的实例对象,该类型必须至少包含一个签名相匹配的构造函数.例如可以通过字符和数字创建一个包含指定个数字符的字符串: PS C:Powershell> New-Object String(‘*’,100)**************************************************************…

<<C++ Primer>> 第四版 Exercise Section 4.3.1 部分Exercise 4.2.9 习题如下: 在自己本机执行如下程序,记录程序执行时间: #include "stdafx.h" #include <iostream> #include <string> #include <vector> #include <ctime> using namespace std; int main…

The string is Immutable in Java because String objects are cached in String pool. Since cached String literals are shared between multiple clients there is always a risk, where one client's action would affect all another client. For example, if one…

1.用枚举类型替代int枚举类型和string枚举类型 public class Show {   // Int枚举类型   // public static final int APPLE_FUJI = 0;   // public static final int APPLE_PIPPIN = 1;   // public static final int APPLE_GRANNY_SMITH = 2;     public enum Apple {     FUJI, PIPPIN, GR…

Victor and String Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 524288/262144 K (Java/Others) Total Submission(s): 163    Accepted Submission(s): 78 Problem Description Victor loves to play with string. He thinks a string is charming as the…

Victor and String Time Limit: 1000ms Memory Limit: 262144KB This problem will be judged on HDU. Original ID: 542164-bit integer IO format: %I64d      Java class name: Main Victor loves to play with string. He thinks a string is charming as the string…

假设没有操作1,就是裸的回文串自己主动机...... 能够从头部插入字符的回文串自己主动机,维护两个last点就好了..... 当整个串都是回文串的时候把两个last统一一下 Victor and String Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 524288/262144 K (Java/Others) Total Submission(s): 30    Accepted Submission(s): 9 Probl…