Recent Articles

Fast Clojure Startup with CRaC

Clojure is the best programming language, but one of its downsides can be startup time. There are a variety of existing techniques you can use to speed things up but even with those tools, initialization isn’t free. While trying to speed up a CI pipeline, I discovered that Clojure works quite well with CRaC/CRIU on Linux. The idea is that you can start a Clojure REPL, initialize the slow parts of your application, and then checkpoint it.
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image from Mimicking an RC-300 with an ESP 360 Remote.

Mimicking an RC-300 with an ESP 360 Remote.

I have a natural gas Heat & Glo fireplace/stove that is responsible for heating the main living areas of my house. That fireplace is operated by an RC300 Radio Frequency(RF) remote that unfortunately does not have a scheduling feature. So in cold months, the morning ritual has been to go downstairs and turn the fireplace on in the morning and patiently wait for the area to warm up. I’ve always wanted to get this fireplace onto a timer of some sort, but couldn’t figure out how I’d do that until I came across an advertisement for a new device called the ESP360 Remote on CrowdSupply.
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