The Singapore IT Federation has organised a Web Services Developers Day to be held at Nanyang Polytechnic, Theatre of the Arts, on 2 Sep 2004. More details here.
Speakers from CTO Microsoft Singapore, IBM and SIMTech will be there. I'm contemplating whether I should be there or not.
In 2017, with the release of Delphi 10.2 Tokyo, Embarcadero introduced a specialized implementation of the Observer pattern into the System.Classes unit. While it has been in the wild for 9 years, it remains a "hidden" architecture for many, primarily because it serves as the invisible engine behind LiveBindings. Other than live bindings, you can also use the Observer pattern as a way to update component settings to the Windows registry, an .ini file, or persist it elsewhere.
System.Classes