更改cpp_properties.json{"configurations": [{"name": "Linux","includePath": ["${workspaceFolder}/**","/usr/include/c++/5/**","/usr/include/x86_64-linux-gnu/c++/5/**"

十一回家，路由器出现问题，无奈只好倒腾下有线连接,这里小记一下sudo pppoeconf一堆图形界面，一路点下去，输入用户名密码，注意要把username删除enter， done!建立连接pon dsl-provider断开poff

1. 使用这样的方式确定错误MYSQL mysql;mysql_init(&mysql);mysql_options(&mysql,MYSQL_READ_DEFAULT_GROUP,"your_prog_name");if (!mysql_real_connect(&mysql,"host","user","passwd","database",0,NULL,0)){fpr

import matplotlib.pyplot as pltimport numpy as np课程要求画图，查看官方文档numpy.random.binomial(n, p, size=None)n trials and p probability of success where n an integer >= 0 and p is in the interval [0,1].size