Monday, February 25th, 2008
How did he tweak it?
One of the first articles I wrote about CSS sprites covered the built-in support in GWT, and I focused on their clever trick of including an MD5 checksum of the sprite map contents into the filename. This allows you to set effectively infinite cache headers since the name will change if the underlying image is modified.
Posted by Dion Almaer at 8:22 am