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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
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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
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#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
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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
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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
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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
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#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
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#include <iostream> #include <functional> using namespace std; int sum41(int x,int y); int multiply42(int x,int y); int passFuncAddress43(int x,int y, 阅读全文
posted @ 2022-05-13 19:50
FredGrit
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//Util.h #ifndef Util_H #define Util_H #include <chrono> #include <ctime> #include <fstream> #include <functional> #include <iostream> #include <threa 阅读全文
posted @ 2022-04-24 22:35
FredGrit
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//Util.h static unsigned long long factorialLoops; long double Fibonacci35(int len); //Util.cpp unsigned long long Util::factorialLoops=0; long double 阅读全文
posted @ 2022-04-19 23:46
FredGrit
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