OpenID Connect only supports Discovery that is meant to find your Provider based on some hint you give it (e-mail, account, URL, domain etc.); it won’t give you a persistent identifier for which you can delegate authentication to a configurable Provider of your choice. So if you only want to use a custom URI to … Read more
Stack Overflow is using Web Sockets for real time updates. If you take a look in the source code (2012 source code), you would see: StackExchange.ready(function () { StackExchange.realtime.init(‘ws://sockets.ny.stackexchange.com’); StackExchange.realtime.subscribeToInboxNotifications(); StackExchange.realtime.subscribeToReputationNotifications(‘1’); }); But note that some Opera versions do not support WebSocket. (not until Opera 10.70) However Facebook does not seem to be using Web … Read more
There are 3 parts to a lock: the key (the unique name of the lock in the database) the value (a caller-defined token which can be used both to indicate who “owns” the lock, and to check that releasing and extending the lock is being done correctly) the duration (a lock intentionally is a finite … Read more