All questions of potential general interest should be posted through Piazza. (You can even ask questions anonymously on Piazza!)

As a courtesy, before asking for help, please check Piazza as well as the pages under “Help” above to see if your question has already been addressed previously.

Office hours:

• Ashwin Machanavajjhala: LSRC D329, Thursdays 2:40-3:40pm or by appointment
• Jun Yang: LSRC D327, Tuesdays 2:40-3:40pm or by appointment
• Austin Alexander: LSRC D122, Mondays 10:30-11:30am and North 225, Fridays 12-1pm
• Brett Walenz: North 225, Wednesday 2-3pm and Fridays 1-2pm
• Dan Deng: Perkins LINK, Mondays 9-11pm

Course-Specific Help Documents:

• Setting up a Lubuntu Virtual Machine with VMware
• Getting Started with Amazon AWS
• Setting up GIT and Getting Course Tools and Data
• Unix Shell Tips
• PostgreSQL Tips
• Creating a Twitter Application
  

Additional resources:

• OpenRefine documentation
  • Particularly useful are tutorials on OpenRefine expressions and regular expressions, as well as the documentation on the expression language
• PostgreSQL documentation
  • Particularly useful are the long but comprehensive tutorial, as well as documentation on data types and functions and operators
• Data visualization guide by Angela Zoss