Reading RSS Feeds: What Aggregators Do That I'm Not
问题 I drop the following feed into Google Reader, and it update normally. http://www.indeed.ca/rss?q=&l=Hamilton%2C+ON However, when I use any of a number of approaches suggested thither and yon on the 'net that simply involve reading from this source and parsing the XML I receive the same 20 items. What is Google Reader doing that I should be in my code so that I receive new items? Thanks for your advice. Incidentally, I'm coding in Python. 回答1: RSS aggregators "poll" the sources, i.e., they