How can I get a the host name (with port) that a servlet is at
ServletRequest.getServerName(…) ServletRequest.getServerPort(…)
hostname
How to get full host name + port number in Application_Start of Global.aspx?
When your web application starts, there is no HTTP request being handled. You may want to handle define the Application_BeginRequest(Object Sender, EventArgs e) method in which the the Request context is available. Edit: Here is a code sample inspired by the Mike Volodarsky’s blog that Michael Shimmins linked to: void Application_BeginRequest(Object source, EventArgs e) { … Read more
What is the maximum length of a DNS name
With your way of counting, the domain name a.b.c.d.e. would be considered to be five characters long. It suspect that not many people will find that way of counting useful. That way of counting also makes the maximum length vary with the number of labels, so when you have four labels the maximum length is … Read more
Get hostname from Rails controller
All you have to do is look at the request object in your controller: request.host_with_port or if you don’t want the port, just request.host
Alias hostname for localhost
When the browser sees http://localwebapp/ it first tries to determine the IP address of localwebapp. If this succeeds, the browser establishes a TCP connection with that host, using a specific port (which is 80 for HTTP, unless some other port is mentioned in the URL). Resolving localwebapp to an IP address does not take port … Read more
How to store the hostname in a variable in a .bat file?
hmm – something like this? set host=%COMPUTERNAME% echo %host% EDIT: expanding on jitter’s answer and using a technique in an answer to this question to set an environment variable with the result of running a command line app: @echo off hostname.exe > __t.tmp set /p host=<__t.tmp del __t.tmp echo %host% In either case, ‘host’ is … Read more
How to get page URL or hostname in NextJs Project?
If you want the hostname inside getInitialProps on server side, still you can get it from req Home.getInitialProps = async(context) => { const { req, query, res, asPath, pathname } = context; if (req) { let host = req.headers.host // will give you localhost:3000 } }
What is the maximum number of characters for a host-name in Unix?
You can usually type: getconf HOST_NAME_MAX In addition, you can generally include limits.h to your application and read the value of the define. While the POSIX standard says it is guaranteed not to exceed 255 bytes, that does not necessarily mean that each implementation will adhere to that. man gethostname on your platform to get … Read more
Difference between SystemInformation.ComputerName, Environment.MachineName, and Net.Dns.GetHostName
Environment.MachineName and System.Windows.Forms.SystemInformation.ComputerName are identical and returns the computer’s NetBIOS name. This name is restricted to 15 characters and only visible on the LAN. System.Net.Dns.GetHostName() returns the computer’s TCP/IP based hostname. By adding a domain suffix to the hostname you can resolve your computer’s IP address across LANs / on the internet. System.Environment.GetEnvironmentVariable(“COMPUTERNAME”) returns the … Read more