It's a reference to the joke "why is six afraid of seven? ... because seven eigh...

loser777 on March 2, 2013 | parent | context | favorite | on: What is your best programmer joke?

It's a reference to the joke "why is six afraid of seven? ... because seven eight (ate) nine." I assume you get the octal part.

Greeting from TL.net.

hkmurakami on March 2, 2013 [–]

Greetings to you too! :)