how to check uniqueness (non duplication) of a post in an rss feed
when retrieving and caching/saving (in a database) some posts from an rss feed, how to determine that: it is the same post (example: when some typos are fixed in the feed or if the title changes, the date changes, etc...) find feeds that talk about the same topic (example: same story from different sources) are there any best practices for these things? thnx a lot Some RSS feeds have a guid element as an identifier. Posts with a shared guid are probably duplicates. Some RSS feeds just stuff the URL in there to indicate that a post's uniqueness is tied to its url. Note that if the URL matches