Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

The pupil controls how much light enters the eye, allowing for clear vision. In low light, pupils widen to let in more light, and in bright light, they narrow to prevent too much light from entering.

This bibliography attempts to cover all of the literature on gradual typing, defined as safe interoperability between typed and untyped portions of a single program. It begins with the original work ...