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MySQL connector C++在Linux下编译undefined reference to 'get_driver_instance'问题

MySQL connector C++在Linux下编译undefined reference to get_driver_instance问题MySQL connector使用的是cmake,但在LINUX下编译自己的sqlclient程序时就会出现这个问题。其实是链接的问题,需要链接libmysqlcppconn.so库。在其编译目录下会有一个cppconn的文件夹

#mysql#linux#c++
LINUX socket 在connect的时候发生 Operation now in progress 错误

解决方法: unsigned long ul = 1;   ioctl( nSocket, FIONBIO, &ul );  //设置为非阻塞模式  放到connect()后面.

generated file: '../../build/vs71/release/lib_json\json_writer.asm': No such file or directory

I'm trying to use json-cpp in Visual Studio 2010. I have no problem when compiling debug, but release gives me the following error:C:\Dev\ThirdParty\jsoncpp-src-0.6.0-rc2\src\lib_json\json_writer.

iOS5.0新功能之——NSJSONSerialization解析JSON数据

iOS5.0新功能之——NSJSONSerialization解析JSON数据 - (IBAction)touchWriteButton:(id)sender {      NSMutableDictionary *dictionary = [[NSMutableDictionary alloc] init];      [dictionary setValue:@"Anthony

#json
在网页上看到了data-v-xxxx是什么原因

在Vue开发中,会遇到html被浏览器解析后,在标签中出现’data-v-xxxxx’标记,如下:<div data-v-fcba8876 class="xxx"></div>原因:<style scoped>@media (min-width: 250px) {.list-container:hover {background: orange;}}</s

CentOS6.3下配置PHP环境以及相关配置

CentOS6.3下配置PHP环境以及相关配置.1、安装完CentOS后yum update(需要root权限) 2、yum install mysql 3、yum install mysql-server chkconfig --levels 235 mysqld on service mysql start 接下来修改root账号密码:mysq

mysql_stmt_prepare failed! error(1461)Can't create more than max_prepared_stmt_count statements (cur

1461错误, mysql_stmt_prepare failed!今天现场咨询我们问如何处理1461错误。mysql_stmt_prepare failed! error(1461)Can't create more than max_prepared_stmt_count statements (current value: 16382)。给出的回复如下:m

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