介绍 TCP协议是具有下列特性的传输层协议： 它是可靠的。这意味着TCP协议保证报文以正确的顺序传输，或者通知报文没有传输成功。TCP协议包含错

5.0. Introduction A string can be binary or nonbinary. Binary strings are used for raw data such as images, music files, or encrypted values. Nonbinary strings are used for character data such as text and are associated with a character set and collation (sort order). A character set determines which characters are legal in a string. You can choose collations according to whether you need comparisons to be case sensitive

4.0. Introduction This chapter covers topics that relate to creating and populating tables: • Cloning a table • Copying from one table to another • Using temporary tables • Generating unique table names • Determining what storage engine a table uses or converting it from one storage engine to another 4.1. Cloning a Table Problem You want to create a table that has exactly the same structure as an existing

3.0. 介绍 本章专注使用SELECT语句从你的数据库获取信息。 3.1. 指定SELECT哪行哪列 问题 你想要从一张表中展示特定行和列。 解决方法 为了指示展示哪

2.0. 介绍 MySQL Client API Architecture Each MySQL programming interface covered in this book uses a two-level architecture: The upper level provides database-independent methods that implement database access in a portable way that’s the same whether you use MySQL, PostgreSQL, Ora‐ cle, or whatever. The lower level consists of a set of drivers, each of which implements the details for a

1.0 介绍 本章描述了mysql的能力以使你能够更有效的使用它： 设置一个MySQL账户以使用cookbook数据库 指定连接参数和使用配置文件 交互模

2.1 基础内置类型 C++定义了一组基础类型，包括算术类型和一个特殊的void类型。算术类型表示字符，整型，布尔值和浮点数类型。void类型不关联

Boost.Asio命名空间 Boost.Asio所有东西都放在boost::asio命名空间或者子命名空间： boost::asio：核心类和

什么是Boost.Asio 简单来说，Boost.Asio是一个跨平台的C++库，主要是为了网络编程和一些其它低级输入/输出编程。 Boost.

3.1 语句和语法 关于Python语句的一些规则和符号： 井号（#）指示Python注释。 换行（\n）是标准行分隔符（一个语句一行） 反斜杠（\）延续