Often you will want to know the IP address of someone visiting your website. While ASP.NET has several ways to do this one of the best ways we’ve seen is by using the “HTTP_X_FORWARDED_FOR” of the ServerVariables collection. Here’s why… Sometimes your visitors are behind either a proxy server or a router and the standard … Read more
The correct way to copy a stream in Java is as follows: int count; byte[] buffer = new byte[8192]; // or 4096, or more while ((count = in.read(buffer)) > 0) { out.write(buffer, 0, count); } Wish I had a dollar for every time I’ve posted that in a forum.
The browser (because you have <script src=”/client.js”>) makes a request for /client.js The server: Gets the request Runs response Reads index.html Sends it to the browser Since index.html starts with <, the browser throws an error when it tries to run it as JavaScript. Why are you giving the browser index.html when it asks for … Read more
This is an old question (2008) so there are many more options now than there were then: Apache CXF has three different REST Client options Jersey (mentioned above). Spring RestTemplate superceded by Spring WebClient Commons HTTP Client build your own for older Java projects. UPDATES (projects still active in 2020): Apache HTTP Components (4.2) Fluent … Read more
try this: public static String getClientIpAddr(HttpServletRequest request) { String ip = request.getHeader(“X-Forwarded-For”); if (ip == null || ip.length() == 0 || “unknown”.equalsIgnoreCase(ip)) { ip = request.getHeader(“Proxy-Client-IP”); } if (ip == null || ip.length() == 0 || “unknown”.equalsIgnoreCase(ip)) { ip = request.getHeader(“WL-Proxy-Client-IP”); } if (ip == null || ip.length() == 0 || “unknown”.equalsIgnoreCase(ip)) { ip = … Read more
You can’t do it with pure PHP. You must do it with JavaScript. There are several articles written on how to do this. Essentially, you can set a cookie or you can even do some Ajax to send the info to a PHP script. If you use jQuery, you can do it something like this: … Read more
I used XMLHTTPRequest(). Seems pretty standard now and obvious for REST API. WebSocket() object for was.
I found these resources helpful: “The Node Beginner Book”, Building your first node.js app (series), “NowJS and Node.js Tutorial – Creating a multi room chat client”, “Beginner’s Guide To Node.Js”, and “Node.js & WebSocket – Simple chat tutorial”. These should get you up to speed with using Node.JS Good luck!