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Dan Chak's 'Enterprise Rails' has a ton of insight applicable to all web apps, not just Rails. Chapter 4-8 are relevant for the Data SIG: how should we (re)structure a website's database, moving it from "startup grade" to "enterprise grade"? This talk attempts to distill the most important points from those chapters into 10 minutes.
Sustainable Burner Design
Review of engineering principles related to energy efficiency in natural gas burner design.
Python ORM Libraries
A survey of the Python database tools SQLAlchemy, Django ORM, PyDAL, Pony ORM, and Peewee.