C语言代码(指针)test_3_2
#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>
#include <stdlib.h>
#include <string.h>使用回调函数改造前
#include <stdio.h>
int add(int a, int b)
{return a b;
}
int sub(int a, int…
一、Python使用pip安装install模块时指定默认源 经常安装的时候收到提示: WARNING: Retrying (Retry(total4, connectNone, readNone, redirectNone, status None)) after connection broken by ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPSConne…