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Add Keypair to existing EC2 instance

...eating these steps until you have it working. Note: If you had an Elastic IP address assigned to instance A when you stopped it, you’ll need to reassociate it after starting it up again. Remember! If your instance B was temporarily started just for this process, don’t forget to terminate it no...
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php 获取操作系统、浏览器版本信息(持续更新) - 更多技术 - 清泛网 - 专...

...eregi('flashget', $agent)){ $os = 'flashget'; } else if (eregi('webzip', $agent)){ $os = 'webzip'; } else if (eregi('offline', $agent)){ $os = 'offline'; } else { $os = 'Unknown'; } return $os; } 二、获取浏览器信息: /** * 获取浏览器信息 * * @r...
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std::string截取字符串,截取ip:port - c++1y / stl - 清泛IT社区,为创新赋能!

std::string ip("127.0.0.1:8888"); int index = ip.find_last_of(':'); // 获取ip ip.substr(0, index).c_str(); // 获取port ip.substr(index + 1).c_str();
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How to find SQL Server running port?

... GO xp_readerrorlog 0, 1, N'Server is listening on' GO http://www.mssqltips.com/sqlservertip/2495/identify-sql-server-tcp-ip-port-being-used/ share | improve this answer | ...
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How does the socket API accept() function work?

The socket API is the de-facto standard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical. ...
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Increasing the maximum number of TCP/IP connections in Linux

... decrease the tcp_fin_timeout To find out the default values: sysctl net.ipv4.ip_local_port_range sysctl net.ipv4.tcp_fin_timeout The ephermal port range defines the maximum number of outbound sockets a host can create from a particular I.P. address. The fin_timeout defines the minimum time thes...
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Best way to simulate “group by” from bash?

Suppose you have a file that contains IP addresses, one address in each line: 14 Answers ...
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Homebrew作者解不出面试题,被Google拒绝 - 创意 - 清泛网 - 专注C/C++及内核技术

...w作者解不出面试题,被Google拒绝Homebrew是Mac上一套流行的软件包管理工具,可以通过命令行搜索、安装、卸载软件包。近日,其作者在进入Google的面试中,因解不出一个二叉 Homebrew是Mac上一套流行的软件包管理工具,可以通过...
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华为收购Amartus电信网络管理业务 - 资讯 - 清泛网 - 专注C/C++及内核技术

...理业务中国科技公司华为首次在爱尔兰进行收购,买下了软件开发公司Amartus位于都柏林的电信网络管理业务。 中国科技公司华为首次在爱尔兰进行收购,买下了软件开发公司Amartus位于都柏林的电信网络管理业务。 华为已同意...
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WEB端测试与移动端测试的区别 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...断问题 移动端有一个很重要的问题,一般情况下在使用软件的过程并不是长久的,这中间可能发生很多中断,如电话、短信、通知、断电等等,软件需要特殊处理这些特殊情况。 打开一个页面,或在操作的过程中(点击一个...