disposable

I've got a class named BackgroundWorker that has a thread constantly running. To turn this thread off, an instance variable named stop to needs to be true . To make sure the thread is freed when the class is done being used, I've added IDisposable and a finalizer that invokes Dispose() . Assuming that stop = true does indeed cause this thread to exit, is this sippet correct? It's fine to invoke Dispose from a finalizer, right? Finalizers should always call Dispose if the object inherits IDisposable , right? /// <summary> /// Force the background thread to exit. /// </summary> public void

I would like to know of the possible ways to block disposable email addresses from registering in my website. For simplicity, let's take the example where the registration form of the website is done with HTML and PHP. Any ideas, solutions or suggestions would be greatly appreciated. This is tough, because neither whitelisting nor blacklisting are an option. By whitelisting certain domains, you disallow people with email domains that are unknown to you (but might be perfectly valid), while by blacklisting you have to update the list of blacklisted domains on a daily basis, since new "10 minute