1
Rotating Images
How to rotate an image, and a need trick to rotate a bitmap an arbitrary amount in a simple paint package.
DataGenetics
Nick Berry's blog of puzzles, probability, data and mathematics, 2009–2022.
- Popular posts
- 19
- Total points
- 3,473
- HN comments
- 1,290
- Rank
- #388 personal
Visit datagenetics.com → RSS feedOn Hacker News Mar 2012 – Jul 2020
Math & Algorithms 18Science & Space 7Games & Graphics 5Security & Privacy 2Software Engineering 2Tools & Productivity 1
2
The Two Egg Problem
Analysis of the classic "dropping two eggs from a building" interview question
3
A Better Strategy for Hangman
Learn the optimal strategy for playing Hangman.
4
Impossible Escape?
Can you use math to escape from, what seems like, an impossible prison escape problem based on coins and a chessboard?
5
How to escape a monster (using calculus)
You are sitting in a rowing boat in the middle of a circular lake. How do you escape from a smart monster on the shore who can run four times faster than you can row?