*Since I spent about 6 hours struggling to write this code today... I'm still not entirely sure how it works, so it might be poor-quality code. Anyway, this is about PHP. I intended to make it easy to ...

Last time, I consolidated the JavaScript judgment logic and fixed a bug where the key would light up red when typing 'nn'. Once the code duplication was gone, I started to become concerned about the ...

Lets geek out. The HackerNoon library is now ranked by reading time created. Start learning by what others read most.