You can close a project in Eclipse which keeps a reference to the project but does not load the project. This keeps the Flex Builder memory usage and build times down a little if you are working in a lot of projects at one time. From the Flex Builder help docs: Closing and opening projects To save memory and improve build time without deleting a project, you can close it. When you close a project, you collapse the project and its resources...

The ability to repeat an image across the X or Y axis is not straight forward in Flex/Flash.is not built into the Flex Framework. This Flex component extends SWFLoader and provides two properties “repeatX” and “repeatY”, which both control which axis to repeat the image is repeated on. The underlying code uses the BitmapFill class (thx to Alex for the tip) to draw the bitmap data onto a Sprite that fills up the...