horizontal-line

Fastest horizontal line <-> convex polygon intersection algorithm?

Hi, I need to solve a relatively simple thing -- I've got n-vertices convex 2D polygon and a horizontal (!) line with some 'y' coordinate. I need only one thing: to check if the polygon is crossed with this line (i.e. have 2 intersections) or not. The fastest one I can think of is to find min/max y coordinates within a polygon (loop re...

CSS Horizontal Line

In my site I added google friend connect. Now on the right where the sidebar is, there is a small line. How do I remove the line because I dont want it there. ...