September 21, 2015 — This talk will explain the concept of internationalization and localization in plugins and themes and introduce theme and plugin developers to the necessary tools for the job. In addition to discussing the importance of internationalization, this talk will cover WordPress internationalization functions and best practices.
May 7, 2013 — This talk will showcase some of the awesome helper functions in WordPress core. These functions will break down into three categories:
1. Display helpers: This will cover some of the cooler display oriented helper functions
2. Data helpers: This will cover some of the useful functions for manipulating, getting, and returning data
3. Action helpers: This will cover some of the useful functions for executing functionality