The Docker project is revolutionizing the way many teams deliver software, by making it possible to package up virtual machines into lightweight, portable containers. But even if your project isn’t […]
Episode #625
Docker Diff
"What did that program change?!!" - In today's episode you'll see how you can definitively answer this question, using a built-in feature of Docker!
Episode #624
ltrace
As we've explored recently, strace is a powerful tool for understanding how a program interacts with the operating system. But it's only for system calls. Learn how to use ltrace …
Episode #623
Strace
Learn to use strace - a powerful microscope for peering into a program's interactions with the operating system.
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 …