new expression - cppreference.com Creates and initializes objects with dynamic storage duration, that is, objects whose lifetime is not necessarily limited by the scope in which they were created....

Memory-mapped fileA memory-mapped file is a segment of virtual memory[1] that has been assigned a direct byte-for-byte correlation with some portion of a file or file-like resource. This resource ...

__m128i__m128i | Microsoft Learn The __m128i data type, for use with the Streaming SIMD Extensions 2 (SSE2) instructions intrinsics, is defined in <emmintrin.h>. eg: /usr/local/gcc-9.3.0/lib...

main.c测试内容 #include <stdio.h> int main() { printf("hello\n"); return 0; } ubuntu装环境sudo apt update sudo apt install build-essential sudo apt install gcc-multilib ...

装c++环境gcc和g++都要以ubuntu为例 sudo apt-get instal gcc sudo apt-get instal g++ #没装会报错找不到比如iostream头文件 配置vscode https://blog.csdn.net/jinking01/article/details/106186575 装c/c++、c++ IntelliSense插件version...

man page: https://man7.org/linux/man-pages/man2/open.2.html const char* file = "test_file.txt"; int pfd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0777); O_WRONLY：只写O_CREAT：如果不存在则创建O_...

重定向https://stackoverflow.com/questions/47719965/how-to-redirect-stdout-to-a-file-and-then-restore-stdout-back 举例#include <iostream> #include <unistd.h> #include <fcntl.h> using na...

宏定义函数https://gcc.gnu.org/onlinedocs/gcc-7.3.0/gcc.pdf搜索__VA_ARGS__ #define debug(format, ...) fprintf (stderr, format, __VA_ARGS__) Here ... is a variable argument. In the invocation of such a mac...

参考教程https://terminalroot.com/how-to-hide-input-via-cli-with-cpp/?ref=morioh.com&utm_source=morioh.com man信息#include <termios.h>https://pubs.opengroup.org/onlinepubs/7908799/xsh/termios.h....

自动补全，添加历史https://blog.51cto.com/u_3078781/3287204 自定义换行符https://www.igiftidea.com/article/12962763210.html 官方文档https://web.mit.edu/gnu/doc/html/rlman_2.html 快捷键使用（该库支持的）https://flyyang.me/2017/05/0...