Learn to use strace - a powerful microscope for peering into a program's interactions with the operating system.
Category: Episodes
Episode #622
Send Variations
Sometimes you need to invoke a method whose name you won't know until runtime. In this episode, you'll learn the differences between #send, #public_send, and #send, gotchas of using them, …
Episode #621
lsof; or: what process is using my port?!
Have you ever gone to start a local development server, only to have it complain that the port is already taken? In this episode you'll learn about how to use …
Episode #620
Serverless Ruby with AWS SAM
Once you start developing serverless code in earnest, you need a testable local dev environment and reliable deployment automation. In today's episode, you'll learn how to use the AWS Serverless …
Episode #619
Eliminating RSpec Boilderplate with Claudio Baccigalupo
Join guest chef Claudio Baccigalupo and learn how to eliminate some common boilerplate code in RSpec Rails system specs.
Episode #618
Understanding OAuth2… with Horses!
If you're integrating your software with a web service these days, chances are you have to use OAuth2 to authorize it. Here's a little story about a horse which will …
Episode #617
Function Pipelining in Ruby
Have you ever looked at function "pipelines" in FP languages like Elixir and F# and wished Ruby had them? Let's explore the equivalents Ruby provides out-of-box, or with a little …
Episode #616
Aggregate Boundaries
Drawn from Jessica Kerr & Avdi's joint keynote at CodeBEAM 2020, today's episode explores a novel technique for discovering where to draw aggregate boundaries between domain entities... by taking them …
Episode #615
Mistake-Proof API
Learn how to eliminate a whole class of possible user interface mistakes by modifying your API design, making it impossible to even express incorrect usage.