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How to validate an email address using a regular expression?
... that validates MOST email addresses correctly, assuming they don't use an IP address as the server part.
75 Answers
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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,...
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...
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。
...
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;
}
//...
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...
【软著】软件著作权证书申请流程及注意事项，模板分享 - App Inventor 2 中...
...必须按照模板来写，参考模板见附件（源码模板带行号，自动就是每页50行），再配合下文的注意事项。
4、是否收费？一般来说，找第三方的话，收费约600~1200元，但是，请注意，完全可以由自己来完成，期间完全免费！！！...
SSH to Elastic Beanstalk instance
... access. The below will lock it down to only allow ingress from a specific IP address.
SSH | tcp | 22 | 22 | 192.168.1.1/32
Configure the environment of your Elastic Beanstalk Application
If you haven't made a key pair yet, make one by clicking Key Pairs below Security Group in the ec2 tab.
In...
What does “connection reset by peer” mean?
...e. This bypasses the normal half-closed state transition. I like this description:
"Connection reset by peer" is the TCP/IP equivalent of slamming the phone back on the hook. It's more polite than merely not replying, leaving one hanging. But it's not the FIN-ACK expected of the truly polite TCP...