英语文章 Here are some valuable suggestions which may assist you in landing good job First, make your resume clear and associate it with the position you are applying for. Try to add details like your temporary jobs at college or your former jobs Second, …

英语文章 Everyone needs sleep for survival, but how much? It is said that eight hours of sleep is fundamental to a healthy person. But today, many people are sacrificing their sleep time。 Modern people have so many alternatives: cell phones, PCs, TVs, g…

进程 进程是一个可并发执行的具有独立功能的程序关于某个数据集合的一次执行过程，也是操作系统执行资源分配和保护的基本单位。程序的一次执行就是一个进程一个程序可以派生多个进程多个不同程序运行的时候，也会有多个相对应的进程与其相互对应进程是动…

英语文章 There are many customs and traditions in Chinese civilization. Here, we will talk about the development of the way people greet each other: In ancient times, people had to kneel to those who were superior to them. This custom remained until the …

2) SIGINT 程序终止(interrupt)信号, 在用户键入INTR字符(通常是Ctrl-C)时发出，用于通知前台进程组终止进程。 3) SIGQUIT 和SIGINT类似, 但由QUIT字符(通常是Ctrl-\)来控制. 进程在因收到SIGQUIT退出时会产生core文件, 在这个意义上类似于一个程序错误信号。 15)…

使用命令 ipcs -q 查看对应的消息队列代码 文件接收者 #include <sys/types.h> #include <stdio.h> #include <unistd.h> #include <string> #include <signal.h> #include <wait.h> #include <sys/msg.h> #include <cstring&g…

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英语文章 It was a cold and gloomy winter afternoon, people with their chilled hands tucked into their pockets or hidden in their sleeves. Fred was in a depressed mood, just like the weather,for he failed to get any award in the debate competition When he …

命令 ipcs 命令查看共享内存、消息队列、管道等相关信息ipcs -m 查看共享内存的信息代码 创建共享内存共享内存 关联 进程分离共享内存删除共享内存 #include <sys/shm.h> #include <iostream>#define BUF_SIZE 1024int main() {int share_id 0;//创建共享内存i…

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添加如下一行 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread") 具体的例子 cmake_minimum_required(VERSION 3.17) project(mutex_learn)set(CMAKE_CXX_STANDARD 14)set(BOOST_ROOT "/usr/local/include/boost") #添加头文件搜索路径 include_direc…

静态static&#xff1a;静态数据和静态函数&#xff0c;在内存中只有一份&#xff0c;不会随着创建对象的数目的增加而增加 static数据&#xff1a;比如银行的account类中&#xff0c;账户名是普通数据&#xff0c;100个对象会有100个账户名&#xff0c;但利率都是相同的&#…

完整代码 #include <sys/shm.h> #include <iostream> #include <unistd.h> #include <pthread.h>void * child1(void *arg){pthread_t tid pthread_self();printf("1 thread %lu \n",tid);}int main(int argc,char* argv[]) {int result{…

英语文章 I very much like simplicity in life. For me, college is far more than a place to improve my intellectual abilities Every weekend, I usually have a walk along the way to the front gate of Mount Qingcheng, enjoying the intense aromas of flowers on …

组合 composition 表示has a queue类中有一个deque容器&#xff0c;这种关系叫做 组合 queue中的六个函数都是调用c的函数完成的 template <class T> class queue { ... protected: deque<T> c; // 底層容器 public: // 以下完全利用 c 的操作函數完成 bool empt…

英语文章 Chengdu, a city with a long history, has always enjoyed the reputation as " The Land of Abundance" . It has been noted as one of the most livable cities in China, partly resulting from its favorable natural conditions and wealthy produc…

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#pragma once 减少头文件组合&#xff0c;降低编译出错的概率作用等效于 #ifndef FUNC_H #define FUNC_H代码主体#endif 线性表的定义 排队问题 简单的线性表 (物理 或者逻辑结构)1&#xff0c;数组2&#xff0c;链表线性表相关操作&#xff1a;1&#xff0c;线性表初始化2&a…

英语文章 As the pace of life quickens with technological advancements, people are occupied by all kinds of trivial matters. They seem forever on the go. There’s no difficulty in imagining that the hustle and bustle of everyday life can make us lose focus…

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