Dr Blinken
blog, bentosheets and railspages.
Dr Blinken's Blog
Blog
Bentosheets
Bentos
Rails Pages
Rails
Bentosheets
These are “cheat sheets” about different technical topics.
Seven Web Frameworks in Seven Weeks
Kajak (Canoeing, in german)
RVM
Ruby Version Manager
Arduino Workshop @ Informatica Feminale 2013
Arduino Workshop @ 29C3
General Arduino Things
Java Intro
Git
Cucumber
Jekyll
Markdown
Prose