Stephan Yu's Tech Journal

Stephan Yu

Stephan Yu

This is my space for writing about tech-related topics that I find interesting. It allows me to share the things I have learned with the world.

What are Contexts in Elixir?

Mar 15, 20242 min read

In Elixir, contexts are modules that group related functions together based on the domain of the application being built. They define a clear public...

What are Contexts in Elixir?

Ecto vs ActiveRecord

Mar 13, 20245 min read

In this post, I am going to take a look at Ecto, a data mapping and database query library designed to provide seamless integration between Elixir...

Ecto vs ActiveRecord

Create A New Phoenix App

Mar 8, 20242 min read

This is a short post on how to create an empty Phoenix application using the Phoenix framework, which is a popular web development framework in the...

Create A New Phoenix App

#25: What are GenServers in Elixir?

Mar 7, 20243 min read

In a previous post, I did a deep dive into Elixir processes (see post #24) which are the lowest-level concurrency primitives in Elixir, but it’s...

#25: What are GenServers in Elixir?

#24: An In-Depth Exploration of Elixir Processes

Mar 7, 20246 min read

In Elixir, a process is a lightweight concurrent computation unit that runs independently of other processes. These processes are not operating system...

#24: An In-Depth Exploration of Elixir Processes

#23: Elixir vs Ruby: Parallelism & Concurrency explained

Mar 7, 20248 min read

I am going to start this post with a bold claim: "Elixir boasts one of the most advanced concurrency models in modern programming languages!" Yup,...

#23: Elixir vs Ruby: Parallelism & Concurrency explained