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How does Google calculate my location on a desktop?
... Maps, when clicked (without being logged into my Google Account) using standard Wi Fi to my own personal router and a normal internet connection to my ISP, it somehow manages to pinpoint my exact location with a 100% accuracy (at this moment in time).
...
Remote JMX connection
...s. The server was on a VM. The VM was deployed fenced so it has internal and an external IP addresses. We started the server java process with -Djava.rmi.server.hostname=<external-ip-address>.
– buzz3791
Oct 28 '13 at 21:39
...
What are named pipes?
What are they and how do they work?
10 Answers
10
...
how to find host name from IP with out login to the host
...s. When this option is used, there is no
need to provide the name, class and type arguments. dig automatically
performs a lookup for a name like 11.12.13.10.in-addr.arpa and sets
the query type and class to PTR and IN respectively.
...
What is the difference between OpenID and SAML?
...rther expands this to make it possible to obtain the identity without this extra step involving the call from the application to the identity provider. The idea is based on the fact that OpenID Connect providers in fact issue two tokens, the access_token, the very same one OAuth2.0 issues and the ne...
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...可以访问U_Ptr的成员
class U_Ptr
{
friend class HasPtr;
int *ip;
size_t use;
U_Ptr(int *p) : ip(p) , use(1)
{
cout << "U_ptr constructor called !" << endl;
}
~U_Ptr()
{
delete ip;
cout << "U_ptr distructor called !" << endl;
}
};
HasPtr类需要一个析...
What is the largest TCP/IP network port number allowable for IPv4?
...ions. Microsoft wrote an interesting Technet article about how to diagnose and avoid it in Windows environments: blogs.technet.microsoft.com/askds/2008/10/29/…
– JessieArr
Jul 13 '16 at 20:04
...
Using ping in c#
...
using System.Net.NetworkInformation;
public static bool PingHost(string nameOrAddress)
{
bool pingable = false;
Ping pinger = null;
try
{
pinger = new Ping();
PingReply reply = pinger.Send(nameOrAddress);
pingable = reply.Status == IPStatus.Success;...
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...
java.net.UnknownHostException: Invalid hostname for server: local
...ther. Everything was right.
The Solution
Not calling trim() for the host string which contained whitespace. In writing a proxy server the host was obtained from HTTP headers with the use of split(":") by semicolons for the HOST header. This left whitespace, and causes the UnknownHostException as a...