The Problem with Perceptual Hashes

Apple just announced that they will use “perceptual hashing” to detect illegal photos on iPhones. I have some experience to share on this technology.

https://rentafounder.com/the-problem-with-perceptual-hashes/

@DevMisc
#extra #algorithm

Pythonic monotonic

In a recent conversation, someone shared some code from a book about technical job interviews. They wanted to know if I agreed that the code was “Pythonic.”

https://nedbatchelder.com/blog/202108/pythonic_monotonic.html

@DevMisc
#python #algorithm

Self-parking Car in 500 Lines of Code

Training the car to do self-parking using a genetic algorithm.

https://trekhleb.dev/blog/2021/self-parking-car-evolution/

@DevMisc
#algorithm #blog #misc

Fast character case conversion

...or how to compress sparse arrays.

https://github.com/apankrat/notes/tree/master/fast-case-conversion

@DevMisc
#algorithm #optimization #misc

MIT: How quickly do algorithms improve?

https://news.mit.edu/2021/how-quickly-do-algorithms-improve-0920

@DevMisc
#algorithm #misc

The Danger of Naïveté

Can you spot the issue in this simple algorithm?

https://blog.codinghorror.com/the-danger-of-naivete

@DevMisc
#algorithm #misc

Red Blob Games: Interactive visual explanations of math and algorithms

https://www.redblobgames.com/

@DevMisc
#algorithm #learn #misc