How Interfaces Work in Go

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代码的坏味道（9）——异曲同工的类(Alternative Classes with Different Interfaces)

坏味道--异曲同工的类(Alternative Classes with Different Interfaces) 特征两个类中有着不同的函数,却在做着同一件事. 问题原因这种情况往往是因为:创建这个类的程序员并不知道已经有实现这个功能的类存在了. 解决方法如果两个函数做同一件事,却有着不同的签名,请运用函数改名(Rename Method) 根据它们的用途重新命名. 运用搬移函数(Move Method) . 添加参数(Add Parameter) 和令函数携带参数(Parame…

【转】[fix] Wireshark error: There are no interfaces on which a capture can be done. on Mac OS X

I got the following error message when trying to open a network interface for capture using Wireshark on Mac OS X (Wireshark 1.5.1 Intel 64 beta and 1.4.6 Intel 64 show this behaviour): There are no interfaces on which a capture can be done. To solve…

CentOS / Redhat : Configure CentOS as a Software Router with two interfaces

CentOS / Redhat : Configure CentOS as a Software Router with two interfaces Linux can be easily configured to share an internet connection using iptables. All you need to have is, two network interface cards as follows: a) Your internal (LAN) netwo…

错误:java.util.Map is an interface, and JAXB can't handle interfaces.

问题: 在整合spring+cxf时报错java.util.Map is an interface, and JAXB can't handle interfaces. 解决方法: 将服务端的services接口返回的Map类型的值改为HashMap. 因为在做webService复杂类型值传递时,返回值的类型不要用接口类型.例如List应该改为ArrayList,Map改为HashMap等.…

Wireshark设置interface 时提示“There are no interfaces on which a capture can be done ”

Wireshark设置interface 时提示“There are no interfaces on which a capture can be done ” 解决方法: 今天在电脑上安装了WIRESHARK软件,在设置interface 时提示"There are no interfaces on which a capture can be done" 提示没有任何一个网络接口准备好.此提示明显是不对的, 我的网卡明明可以正常上网,网络接口怎么会没有准备好呢? 想着应该是和…

iis 使用 LocalDB 报错：provider: SQL Network Interfaces, error: 50

在使用asp.net core读取localdb数据库时,报以下错误: 在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误.未找到或无法访问服务器.请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接. (provider: SQL Network Interfaces, error: 50 - 发生了 Local Database Runtime 错误.无法创建自动实例.有关错误详细信息,请参阅 Windows 应用程序事件日志. ) 最后解决方式是在I…

System.Data.SqlClient.SqlException: 在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: SQL Network Interfaces, error: 26 - 定位指定的服务器/实例时出错)

A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connection…