Chapter 11: Rich text server side handling with Markdown and Bleach (11f)
Chapter 11: Permanent links to posts (11g)
Chapter 11: Blog post editor (11h)
Chapter 12: Database representaton of followers (12a)
Chapter 12: Followers in the application (12b)
Chapter 12: Followed posts with a join (12c)
Chapter 12: Show followed blog posts in home page (12d)
Chapter 12: Self-followers (12e)
Chapter 13: Blog post comments (13a)
Chapter 13: Comment moderation (13b)
Chapter 14: API (14a)
Chapter 15: Coverage metrics (15a)
Chapter 15: Unit tests with the Flask test client (15b)
Chapter 15: API testing with the Flask test client (15c)
Chapter 15: Unit tests with Selenium (15d)
Chapter 16: Logging of slow database queries (16a)
Chapter 16: Source code profiling (16b)
Chapter 17: Deploy command (17a)
Chapter 17: Email notification of application errors (17b)
Chapter 17: Heroku support (17c)