Ruby Conf 12 - Boundaries by Gary Bernhardt

Why HN readers recommended it

HN recommends it as the canonical presentation of 'functional core, imperative shell' and a practical answer to unit versus integration testing.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

Confreaks

Topic

software architecture and testing

Format

talk

Level

intermediate

HN recommenders in dataset

8

HN mentions in dataset

12

Recommendation years in dataset

2015–2024

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• Here is the infamous Nagappan TDD paper from Microsoft Research [LINK] Also discussed in this infoq article [LINK] Here's someone's thesis paper on it, with data: [LINK] There's also interesting discussions like this [LINK] "it is my experience that the value proposition for TDD grows …

• if you are a rubyist, I can't more strongly recommend watching this video, which has nothing to do directly with Elixir (in fact it precedes elixir by a couple of years) but if the topics that Bernhart (of wat fame) brings up resonate with you, …

• > I find some problems are solved better in an OO way such as interacting with a relational database. I've switched to functional interactions with a database, (Elixir/Ecto) and really, it's much better. In particular the explicit and declarative nature of the database interactions combines …