local

问题 This question already has answers here : Getting the IP address of the current machine using Java (17 answers) Closed 6 years ago . Im trying to get the local IP. It should work with System.out.println(Inet4Address.getLocalHost().getHostAddress()); or InetAddress addr = InetAddress.getLocalHost(); ip = addr.getHostAddress(); System.out.println("Ip: " + ip); but it always returns 192.168.178.154 instead of 192.168.178.119 (This is my real local IP(Terminal --> ifconfig )) What should I do? 回答1

问题 I have some auto-generated code which effectively writes out the following in a bunch of different places in some code: no warnings 'uninitialized'; local %ENV = %ENV; local $/ = $/; local @INC = @INC; local %INC = %INC; local $_ = $_; local $| = $|; local %SIG = %SIG; use warnings 'uninitialized'; When auto-generating code, some argue that it's not strictly necessary that the code be "beautiful", but I'd like to pull that out into a subroutine. However, that would localize those variables in

问题 This question already has answers here : Error in if/while (condition) {: missing Value where TRUE/FALSE needed (2 answers) Closed 4 years ago . I am trying to count and print the cases in which the values in second and third columns of my dataframe named 'DATA'. But I have "missing value where TRUE/FALSE needed" Error. Could you help me please? How can I write my condition in if statement without getting this error? My Code: deneme<-function(id=vector()){ i<-1 counter<-1 sulfate<-DATA[,2]

问题 Here is my problem: I'm using boost::asio::ip::tcp::iostream to connect to server: boost::asio::ip::tcp::iostream s(IP, "1237"); And now I want to retrieve my own, local IP address. I have found somewhere in the depths of google how to do it with a socket, but what about a stream? I expect that since tcp::iostream is built on the top of a socket it should be something like: s.local_endpoint().address() but after a long search with google and duckduckgo I have found no clue how to do it. I

问题 Here is my problem: I'm using boost::asio::ip::tcp::iostream to connect to server: boost::asio::ip::tcp::iostream s(IP, "1237"); And now I want to retrieve my own, local IP address. I have found somewhere in the depths of google how to do it with a socket, but what about a stream? I expect that since tcp::iostream is built on the top of a socket it should be something like: s.local_endpoint().address() but after a long search with google and duckduckgo I have found no clue how to do it. I

问题 Here is my problem: I'm using boost::asio::ip::tcp::iostream to connect to server: boost::asio::ip::tcp::iostream s(IP, "1237"); And now I want to retrieve my own, local IP address. I have found somewhere in the depths of google how to do it with a socket, but what about a stream? I expect that since tcp::iostream is built on the top of a socket it should be something like: s.local_endpoint().address() but after a long search with google and duckduckgo I have found no clue how to do it. I

问题 I'm trying to create a function servo_to_quadrant that returns the value servo_quadrant . Questions similar to this one have involved there being an issue with a global variable outside of the function. I don't think that's the issue in this case, as the variable is only needed from within the function (although I could be wrong). Code: def servo_to_quadrant(servo_val): if servo_val < 0: 360 + servo_val if servo_val >= 360: servo_val = servo_val - 360 if servo_val >= 0 and servo_val < 90:

问题 I'm trying to create a function servo_to_quadrant that returns the value servo_quadrant . Questions similar to this one have involved there being an issue with a global variable outside of the function. I don't think that's the issue in this case, as the variable is only needed from within the function (although I could be wrong). Code: def servo_to_quadrant(servo_val): if servo_val < 0: 360 + servo_val if servo_val >= 360: servo_val = servo_val - 360 if servo_val >= 0 and servo_val < 90:

问题 I am desperately trying to get a local build of a site to get a JSON file (also local) with no luck. The exact code worked perfect on my server, but once local, breaks. I get the JSON with jQuery like so: $.getJSON( "lib/js/app.json", function(data){ $.each(data, function(i,user){ +'<img src="'+user.thumbnail+'"/> }); } ); And receive this console error: XMLHttpRequest cannot load file://localhost/Users/blakestruhs/new/lib/js/app.json. Origin null is not allowed by Access-Control-Allow-Origin

问题 The question is about feature detection concept. I'm stuck after I finding the corner of image and I want to know how to finding the feature point within the computed corners. Suppose I have grayscale image that have data like this A = [ 1 1 1 1 1 1 1 1; 1 3 3 3 1 1 4 1; 1 3 5 3 1 4 4 4; 1 3 3 3 1 4 4 4; 1 1 1 1 1 4 6 4; 1 1 1 1 1 4 4 4] if I use B = imregionalmax(A); the result would be like this B = [ 0 0 0 0 0 0 0 0; 0 1 1 1 0 0 1 0; 0 1 1 1 0 1 1 1; 0 1 1 1 0 1 1 1; 0 0 0 0 0 1 1 1; 0 0 0