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Java current machine name and logged in user?

...he Java API says that getHostName() will return the host name for this IP address, or if the operation is not allowed by the security check, the textual representation of the IP address. share | ...
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Is there a way to make npm install (the command) to work behind proxy?

...y http://username:password@cacheaddress.com.br:80 install packagename Skip the username:password part if proxy doesn't require you to authenticate EDIT: A friend of mine just pointed out that you may get NPM to work behind a proxy by setting BOTH HTTP_PROXY and HTTPS_PROXY environment variables,...
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How to use cURL to get jSON data and decode the data?

... You can Use this for Curl: function fakeip() { return long2ip( mt_rand(0, 65537) * mt_rand(0, 65535) ); } function getdata($url,$args=false) { global $session; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,$url); curl_setopt($ch...
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TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...能动态地设置。 为了动态地设置,TCP引入了RTT——Round Trip Time,也就是一个数据包从发出去到回来的时间。这样发送端就大约知道需要多少的时间,从而可以方便地设置Timeout——RTO(Retransmission TimeOut),以让我们的重传机制更...
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华为公司的新产品研发流程管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术

...支援和完善的服务体系。典型的案例是EMI最早研发出了CAT扫描仪,并因此获得了诺贝尔奖,但该公司却需要被人收购才能获救。    减少资源/人力的浪费   新产品的研发往往存在较大的风险,一个设计得再好的研发方案...
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实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...:实际应用时,应该加上权限判断逻辑,比如只有限定的IP地址才能使用此功能。 当数据库有新数据的时候,可以通过触发器来写Nginx共享内存,当然,在应用层通过观察者模式来写Nginx共享内存通常会是一个更优雅的选择。 ...
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Test if remote TCP port is open from a shell script

...ing if a given TCP port is open on a remote server, from inside a Shell script. 16 Answers ...
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ConnectionTimeout versus SocketTimeout

... answer. This means that the server has been shut down, you used the wrong IP/DNS name, wrong port or the network connection to the server is down. A socket timeout is dedicated to monitor the continuous incoming data flow. If the data flow is interrupted for the specified timeout the connection is...
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ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ck = NULL; //使用tcp协议进行通信,需要连接的目标机器IP地址为192.168.1.2 //通信使用的网络端口 为7766 const char * pAddr = "tcp://192.168.1.2:7766"; //创建context if((pCtx = zmq_ctx_new()) == NULL) { return 0; } //...
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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网

...程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 ...