Neal Caren's (UNC) data scraping/processing tutorial. Potentially a useful teaching/learning resource?
Yet another Git tutorial that proved useful to me at some point.
I swear I remember this diagram from the GNU Arch days.
Awesome tutorial with loads of examples, code samples, and graphs. Amazing resource.
Simple intro to graphic programming in Python. From pfctdayelise.
Nice sort of R thesaurus for other statistical software.