FredGrit

2022年5月15日

摘要： 1. cpp #include "Model/Util.h" #include <functional> #include <string_view> #include <experimental/source_location> #include <cppconn/driver.h> #inclu 阅读全文

posted @ 2022-05-15 22:50 FredGrit 阅读(52) 评论(0) 推荐(0)

C++ mysqlclient

摘要： 1.Install mysqlclient sudo apt-get install mysql-client 2.Add #include <mysql/myql.h> and cpp file #include <iostream> #include <mysql/mysql.h> using 阅读全文

posted @ 2022-05-15 22:15 FredGrit 阅读(207) 评论(0) 推荐(0)

Lost connection to MySQL server during query (MySQL error code: 2013, SQLState: HY000 )

摘要： SHOW VARIABLES LIKE 'wait_timeout'; SET SESSION wait_timeout = 999999; SHOW variables LIKE 'NET_read_timeout'; SET SESSION net_read_timeout = 1000; SH 阅读全文

posted @ 2022-05-15 01:46 FredGrit 阅读(131) 评论(0) 推荐(0)

C++ insert into mysql Got a packet bigger than 'max_allowed_packet' bytes (MySQL error code: 1153, SQLState: 08S01 )

摘要： 1.cd /etc/mysql/ sudo vim mysql.conf.d 2 3.Move to mysqld.cnf and enter; 4.add the follow clause and add its max_allowed_packet value to 1000M max_all 阅读全文

posted @ 2022-05-15 00:08 FredGrit 阅读(66) 评论(0) 推荐(0)

2022年5月14日

C++ insert into table in bulk

摘要： 1.Create table in mysql CREATE TABLE `mt` ( `BookIndex` int NOT NULL AUTO_INCREMENT, `BookId` bigint NOT NULL, `BookName` varchar(100) NOT NULL, `Book 阅读全文

posted @ 2022-05-14 23:48 FredGrit 阅读(96) 评论(0) 推荐(0)

C++ cppconn insert into mysql tables

摘要： #include <iostream> #include <cppconn/driver.h> #include <cppconn/resultset.h> #include <cppconn/statement.h> #include <cppconn/exception.h> #include 阅读全文

posted @ 2022-05-14 22:46 FredGrit 阅读(110) 评论(0) 推荐(0)

C++ mysql

摘要： 1.Install C++ connector sudo apt install libmysqlcppconn-dev 2. #include <iostream> #include <cppconn/driver.h> #include <cppconn/resultset.h> #includ 阅读全文

posted @ 2022-05-14 02:19 FredGrit 阅读(109) 评论(0) 推荐(0)

Ubuntu create database and tables in mysql

摘要： 1.Check status sudo systemctl mysql status; 2.If not started mysql service sudo service mysql start; sudo service mysql status; 3.Then log in mysql vi 阅读全文

posted @ 2022-05-14 02:13 FredGrit 阅读(59) 评论(0) 推荐(0)

Ubuntu install mysql

摘要： 1, sudo apt update 2. sudo apt upgrade 3. sudo apt install mysql-server 4.Check version mysql --version 5. sudo mysql_secure_installation And failed,i 阅读全文

posted @ 2022-05-14 01:37 FredGrit 阅读(193) 评论(0) 推荐(0)

C++ pass function via <functional> function and invoke via function address

摘要： #include <iostream> #include <functional> int callFunction55(int x, int y, function<int(int, int)> func); void invokeCall56(int x, int y); int sum57(i 阅读全文

posted @ 2022-05-14 00:01 FredGrit 阅读(53) 评论(0) 推荐(0)

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