private server agar io

Project needs, so I learned how to use node. js + socket. io to implement the private chat function. After busy working for a long time, I finally figured it out. The basic principle is that when the server receives When a socket connects to the request, each socket will establish a socket, and the connected socket is not expressed, so each socket can only send i

In this article, we'll look at what new features SQL Server 2014 adds to resource governor in the future. Resource governor (Resource Governor) is a feature that appears starting with SQL Server 2008. It is a feature used to manage SQL Server workloads and system resource usage. Before SQL Server 2014, resource Governo

websocket API. It is used on the server and is independent of the transmission method selected by the client. Socket. Io converts all transmission types to the same API on the server. Listing 5. Use of socket. Io Java in the chat example-ServletPublic final class chatservlet extends socketioservlet {

thread can only do one thing, then we can let the server information read and write in a sub-thread, each user by a child thread user information read and send, this thread should have all the information of that user, also called this thread is the interface thread, All interface threads can be accessed indirectly through an interface thread in the server. Key code :Arraylistwhile (true) { try { Socket s

It is easy to use Java to implement cross-origin access. It turns out that the Java net package can be used to implement connection URL, post, get value or something. Of course, you can also use a third-party method like httpclient. The problem encountered today is that an exception occurs during post: Java. Io. ioexception: server returned HTTP response code: 500 for URL: http: // 192.98.8.50 /... I check