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);…

<<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…

It's very strange that I found the messy code.I 've never seen this before. this is the java code: /** * list * * @throws UnsupportedEncodingException */ @RequestMapping(value = "/list", method = RequestMethod.GET) public String list(Long adminI…

ETW是Event Tracing for Windows的简称,它是Windows提供的原生的事件跟踪日志系统.由于采用内核(Kernel)层面的缓冲和日志记录机制,所以ETW提供了一种非常高效的事件跟踪日志解决方案. 一.ETW模型 事件监测(Event Instrumentation)总会包含两个基本的实体,事件的提供者(ETW Provider)和消费者(ETW Consumer),ETW框架可以视为它们的中介.ETW Provider会预先注册到ETW框架上,提供者程序在某个时刻触发事…