@mralexlau

Alex Lau

@mralexlauJoined June 2023

Author of Keep Calm and Code On

About

Author of Keep Calm and Code On. I write about mistakes I've made while programming. Rubyist, Elixirist, Svelte Enthusiast

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Alex Lau's blogs

Untitled Publicationkeep-calm-and-code-on.hashnode.dev5 posts

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ALAlex Laukeep-calm-and-code-on.hashnode.devApr 2, 2024 · 2 min read

Make Yourself Expendable

I used to idolize the "rock stars" and lone wolves who knew everything about a particular subsystem in the projects that we were working on. The only problem is that they were the only ones who knew about what they were working on. I've heard people ...

ALAlex Laukeep-calm-and-code-on.hashnode.devMar 29, 2024 · 3 min read

The Virtuous Cycle of Testing

There are many good reasons to write tests for your code: catching bugs, preventing functionality regressions, defining better interfaces to your modules, the list goes on. But one reason isn't discussed quite as frequently that I like to call "the v...

ALAlex Laukeep-calm-and-code-on.hashnode.devMar 26, 2024 · 3 min read

In Praise of the Timebox

You may have heard before that when you work in software development, you eventually build up a sort of "mental toolbox." The more you try out different tools, the more you familiarize yourself with them and know when to apply the right tool for a sp...

ALAlex Laukeep-calm-and-code-on.hashnode.devJan 29, 2024 · 4 min read

OO to Elixir: Clean Code With Pattern Matching

One of the joys of working with new programming languages is uncovering new ways to solve problems. New patterns and tools within languages expand your horizons in terms of how to structure code. A few years ago, I went from working with Ruby to work...

ALAlex Laukeep-calm-and-code-on.hashnode.devJan 25, 2024 · 3 min read

How the 80/20 Rule Can Make You a Better Developer

In a previous job, I had a brief stint where I had transitioned from a software engineer to a product manager. I learned many things in this role (including that I did not want to be a product manager in the long term), but by far the biggest lesson ...