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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...客户端
运行命令行为：Client.exe 127.0.0.1 8000
命令行参数分别为要连接的IP地址和端口
//Client.cpp
#include <winsock2.h>
#include <stdio.h>
#include <windows.h>
//引入静态链接库
#pragma comment(lib,"ws2_32.lib")
//缓冲区大小
#define BUFFER_SIZE 4096
...
What is a plain English explanation of “Big O” notation?
...me an O(N log(N)) algorithm takes." (fairly common)
it's less than O(N1.000001), which you might be willing to call basically linear
... I ridiculously increase the time a O(2N) ("exponential time") algorithm takes." (you'd double (or triple, etc.) the time just by increasing the problem by a...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...able substring expansion)
FOR /F "TOKENS=n"
FOR /F "SKIP=n"
FOR /L %%A in (n1 n2 n3)
EXIT [/B] n
Details for these rules may be found at Rules for how CMD.EXE parses numbers
For anyone wishing to improve the cmd.exe parsing rules, there is a discussion topic on the DosTips forum where issues ca...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...楚子模块应该处于哪种状态。 奇怪的是，Git 并不会给你多少能帮你摆脱困境的信息，甚至连两边提交历史中的 SHA-1 值都没有。 幸运的是，这很容易解决。 如果你运行 git diff，就会得到试图合并的两个分支中记录的提交的 SHA-1 ...