What kind of sockets does Stack Overflow use for the realtime reputation updates? Is it something like Netty-Jetty, Solr or SignalR? Are they using web sockets implemented in C#?

Websocket-endpoints (You can play with these on http://www.websocket.org/echo.html if you don't want to do it in JS) (wss://qa.sockets.stackexchange.com) <userid>-topbar: User topbar. <userid>-inbox: User inbox/achievements <siteid>-<userid>-reputation: User's rep on a site <siteid>-home-...

I find it rather strange and unfair that people who are not on the Stack Overflow team answer questions about feature-requests like they were responsible for it. Until yesterday I thought that if someone posts a feature-request the real SO developers will say whether it's possible or not to impl...

I am a new participant on meta.stackoverflow.com. I've observed that typically all questions on meta site have a lot of upvotes or downvotes, but don't have answers. Few that do have answers, have like 1 or 2 answers. Interestingly most people comment. I am worried and anxious to understand w...