ip

问题 i have hex values in the format of 4a0e94ca etc, and i need to convert them into IP's, how can i do this in C# ? 回答1: If the values represent IPv4 addresses you can use the long.Parse method and pass the result to the IPAddress constructor: var ip = new IPAddress(long.Parse("4a0e94ca", NumberStyles.AllowHexSpecifier)); If they represent IPv6 addresses you should convert the hex value to a byte array and then use this IPAddress constructor overload to construct the IPAddress. 回答2: Well, take

问题 I need to change computer IP address using java... I have tried this one but this doesnot work... String str1="192.168.0.201"; String str2="255.255.255.0"; String[] command1 = { "netsh", "interface", "ip", "set", "address", "name=", "Local Area Connection" ,"source=static", "addr=",str1, "mask=", str2}; Process pp = java.lang.Runtime.getRuntime().exec(command1); 回答1: You (probably) need to correctly concatenate those key=value arguments - as written they'll be treated as separate arguments, i

问题 This question already has answers here : Need a client side API for determing geo location of IP addresses (3 answers) Closed 6 years ago . I am looking for the sample code to get Exact Location of IP. I did goggling but haven't find any Sample code. Thank You.. 回答1: I've used the MaxMind GeoIP Lite database to good success before. Both city and country databases and APIs are available. An example of usage is: File dbfile = new File("db/GeoLiteCity.dat"); LookupService lookupService = new

问题 This question already has answers here : Determine device public ip (13 answers) Closed 6 years ago . I am developing an application in android 2.1 and I want to display the external IP. How could I do this? Thanks in advance. 回答1: public void getCurrentIP () { ip.setText("Please wait..."); try { HttpClient httpclient = new DefaultHttpClient(); HttpGet httpget = new HttpGet("http://ifcfg.me/ip"); // HttpGet httpget = new HttpGet("http://ipecho.net/plain"); HttpResponse response; response =

问题 This question already has answers here : Determine device public ip (13 answers) Closed 6 years ago . I am developing an application in android 2.1 and I want to display the external IP. How could I do this? Thanks in advance. 回答1: public void getCurrentIP () { ip.setText("Please wait..."); try { HttpClient httpclient = new DefaultHttpClient(); HttpGet httpget = new HttpGet("http://ifcfg.me/ip"); // HttpGet httpget = new HttpGet("http://ipecho.net/plain"); HttpResponse response; response =

问题 How can I tell the nationality of a user of my web site based on client ip? Edit: Like commented, this question have been answered before: https://stackoverflow.com/questions/283016/know-a-good-ip-address-geolocation-service 回答1: use the GeoIP databse. there is a free one. there are also a lot of GeoIP webServices you can use. 回答2: If you're thinking localization, let the user choose the correct language instead of doing it automatically -- or at least provide an easy way for them to change

问题 Change the default IP(127.0.0.1) of flutter web App. I have created a flutter web application, when I run the web app the ip which assigned is 127.0.0.1 but i am unable to access the same app with my local IP over LAN. So please help on how can i change this. 回答1: Start app with command: webdev serve --hostname 0.0.0.0 Or replace 0.0.0.0 with your actual ip address. 来源： https://stackoverflow.com/questions/56967885/how-to-change-the-default-web-server-ip127-0-0-1-of-flutter-web-app

问题 I'm a student, and I'm trying to understand the idea behind IP addresses. I learn that typing in a url is the same as typing in the corresponding IP address - either way, we'll be directed to the same web page. I used the ping command to find the IP address of howstuffworks.com . I then typed that IP address in my browser ( google chrome ) but got this error : The requested URL was not found on this server. Why? I tried the same with google.com IP, and it worked fine. Also, the IP addresses

问题 I put up a site and saving all the IP addresses of users is adding some overhead. I am trying to figure of this benefit is justified. I never used an IP address for anything other than correlating user activity for trending and site usage metrics. I know the IP information can be used to audit and trace things back to the user of that IP. what exactly is the info you can gather that would be useful based sole on the IP address and how can i get this info? 回答1: If the user is a criminal you

问题 I am trying to get the source MAC address of every packet being dumped on the network, excluding any packets involving the host machine. I expect that in order to accomplish this I should get the data from tcpdump with the host's network interface in promiscuous mode. Note that I am not interested in getting the full header or even the link level header. The -e option is not what I want. I just want the source MAC address for each packet, and nothing more. This is what I am currently doing