Daily Archives: April 1, 2009

Test if a File or URL Exists or Check Last Modified Date

Jim Ley writes a very in-depth article about using Ajax calls to test the validity of URLs, test for file existence, or check last-modified dates of files. While the benefits of checking last-modified dates and testing for a valid URL … Continue reading

Multiple versions of Internet Explorer (IE)

A must for any web developer is making sure your website work consistently in all “current” web browsers (we have to define what is “current” based on each website’s demographics: a financial website, like a hedge fund website, probably doesn’t … Continue reading