通过配置Android studio 配置file encoding 无效,中文乱码,问题出现在java编译的时候jack采用了默认编码(中文windows默认的GBK编码)而乱码,所以不管更改build.gradle 中的哪种编码 tasks.withType(JavaCompile) { options.encoding = "utf-8"} 以及 compileOptions.encoding="UTF-8" 均会乱码,原因如下: Jack has been
问题:使用QSqlDataBase类建立连接MySql数据库驱动加载失败 QSqlDatabase: QMYSQL driver not loaded QSqlDatabase: available drivers: QSQLITE QOCI8 QOCI QODBC3 QODBC QSqlDatabasePrivate::removeDatabase: connection 'qt_sql_default_connection' is still in use, all queries will