This blog officially has syntax highlighting!
BASH
# Hello world for the Unix shells (sh, ksh, csh, zsh, bash, fish, xonsh, ...) echo Hello World
JavaScript
// Hello World in JavaScript
document.write('Hello World');
PHP
// Hello world in PHP echo 'Hello World!';
Plain Text
Hello, world!
Python
# Hello world in Python 2
print "Hello World"
# Hello world in Python 3 (aka Python 3000)
print("Hello World")
Ruby
# Hello World in Ruby puts "Hello World!"
