lightstreamer

问题 I need to build bidirectional communication to a javascript app and to desktop apps for text and binary data going to and from a server. Lightstreamer is awesome, but I would need some of the paid features, which are on the expensive side (20K Euro and up). So do I buy it or build it..... Baseline pieces: In my case, I would be running/writing server on Win2012/IIS-8/.NET4.5x Clients: .NET, Mono, Javascript On the surface, it appears an experienced developer could build such a thing in about

问题 We have an application which uses LightStreamer to stream data. It does this over HTTP. I'm trying to performance test this application with LoadRunner. I have two URLs: URL 1 creates a session id and stays open, this URL will continue to load URL 2 uses this session id to make requests. The response of each request will appear on URL1's page. The issue I am having is that when I make the request for URL 1, I am unable to make subsequent requests while keeping this request open. I tried using

问题 I'm gonna develop a framework for comet programming, and I can't use Web Sockets, or Server-Sent Events (because browser support really sucks). So, I need to keep the HTTP connection alive, and send chunked data back to the client. However, problems show themselves as you get into the work: Using XMLHttpRequest is not possible, due to the fact that IE doesn't give you xhr.responseText while the xhr.readyState is 3. A hidden iframe can't be useful, because browser shows the loader while I send