Closest point to a given point

Don’t forget that you don’t need to bother with the square root. If you just want to find the nearest one (and not it’s actual distance) just use dx^2 + dy^2, which will give you the distance squared to the each item, which is just as useful. If you have no data structure wrapping this … Read more

Pixels vs. Points in HTML/CSS

Use px or em CSS FONT-SIZE: EM VS. PX VS. PT VS. PERCENT Points (pt): Points are traditionally used in print media (anything that is to be printed on paper, etc.). One point is equal to 1/72 of an inch. Points are much like pixels, in that they are fixed-size units and cannot scale in … Read more