Jay's Scrapbookjust a scrapbook from RSS feeds with few commentsA few qualities of web services- April 28, 2003 Asymmetrical Benefits.. Glenn Fleishman--who created the book-finding site, isbn.nu -- writes that "Web services fed by companies that don't offer two-way contracts -- contracts that promise continuity, uptime, consistency, and persistence -- will make application developers nervous about relying on them." This is a critical and non-obvious issue. First of all, sites like Glenn's, which depend on aggregating multiple web services, must be resilient. If the Amazon service doesn't respond,...http://radio.weblogs.com/0107481/2003/04/27.html#a1484 Scripting Java- April 24, 2003 AOP and Scripting Languages. Rickard writes about a recent implemenation that combines Javascript and his Aspect Oriented Programming (AOP) system. One interesting thing here is that while all the objects are AOP objects, implemented with dynamic proxies that have a bunch of interfaces, the weak typing of JavaScript comes in handy since there's no need for casting in the above script. Typically you'd have to have a cast for the result of portlets.get(i), and for the "node" object, and for the.http://radio.weblogs.com/0107481/2003/04/24.html#a1483 |