How to prevent hotlinking without mod_rewrite
Sometimes you don’t have mod_rewrite at your disposal, and yet you want to prevent hotlinking. Here’s how: <FilesMatch "\.(gif|jpe?g|png|wmv|avi)$"> SetEnvIfNoCase Referer ^$ allow_access=1 SetEnvIfNoCase Referer ^http://(www\.)?wejn\.org($|/) allow_access=1 Order Deny,Allow Deny...
My email address
In case you were wondering, here’s my email address: #!/usr/bin/env ruby $><<(("%060b"%[0x0bafab112ddba26]).scan(/.{5}/).map{ |x|(("a".."z").to_a+%w[@ .])[Integer(x,2)]}.join+$/) (Updated in 2021)
Conway's Game of Life redefined
I have no clue where I found this clever implementation of Conway’s Game of Life but I like it a lot: char*b= " " " " " ## " "...
On file change run...
Problem I often find myself wanting to re-run some command (say pdflatex) when some file changes. It’s not a particularly difficult problem, but here’s my take on it. Solution #!/usr/bin/ruby...
Test page
You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways,...