rstacruz
Latest posts
@rstacruz · 2021-12-23
Pitfalls of Ruby interactors— I've been playing with the Ruby community's interactor pattern and found a few issues.
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module MyInteractor
  def call
    CreateAccount.call!
    #            ^^^^^^ if this fails...
  end
end

MyInteractor.call().success?
#                  ^^^^^^^^^ should this
#                  be true or false?
Continue 7min read
@rstacruz · 2021-11-29
Gotcha: Rails params aren't always strings— Today I came across an interesting issue in a Rails app where params[:key] isn't a string as it usually is.
Continue 3min read
@rstacruz · 2021-11-16
I built a wireless split keyboard— I recently built a compact split keyboard that works over Bluetooth. It's pretty nice! Let me share with you some random tidbits I learned along the way about building keyboard firmware with ZMK.
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The Microdox keyboard with an arrow pointing where the reset button is
Continue 12min read
@rstacruz · 2021-09-09
Replacing long-running branches with feature flags— Git branches are often used to write features that take a long time to write. I'm starting to think that they may not be the ideal solution.
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Screenshot of a Git merge conflict on GitHub
Continue 6min read
@rstacruz · 2021-06-01
TypeScript's Omit, explained— The TypeScript helper called Omit is really useful! It will remove fields from a given object type. It's useful in making subsets of an object type.
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@rstacruz · 2021-04-21
Setting up Jest with ESM— Here are some different ways on how to set up Jest to support ES modules.
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@rstacruz · 2021-04-02
Docker on ArchWSL— Problem: Running Docker on ArchWSL doesn't work by default. ArchWSL doesn't allow systemd services.
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› docker info

ERROR: Cannot connect to the Docker daemon
at unix:///var/run/docker.sock. Is
the docker daemon running?
Continue 2min read