The Little Prover book references a companion proof assistant tool called J-Bob. I had a hard time getting it running using Racket’s Dracula package, here’s how to do it: Install Racket. Install the Dracula package for Racket. On macOS, I … Continue reading
I’m a big fan of the Dash documentation tool for macOS. In particular, I often create my own Dash cheat sheets to help me remember commands I frequently forget. I make enough of these that I created a simple Go app named cheat to generate a … Continue reading
I used to use Plain Clip for converting clipboard contents to plain text before pasting, but now I do it in one step with Quicksilver. I created the following custom trigger: Item: Clipbord Contents Action: Paste as Plain Text Shortcut: alt-v Now … Continue reading
I recently got a new laptop, and I’ve been transferring over all of my settings. I often use Quicksilver to trigger a screen lock or put my laptop to sleep. Here’s how I do it. I use a shell script to put … Continue reading
Recently I was playing with the open-source release of Spinnaker, the continuous delivery tool that we use inside of Netflix. Spinnaker is designed for deploying apps on cloud backends (e.g., AWS, GCE), but I wanted to run everything entirely on … Continue reading
Go: Pointer to methods Sometimes I need a pointer to a method that is not bound to an explicit object. Method pointers are just function pointers where the first argument is the type. Imagine we have a Pet type with … Continue reading
Getting timestamp from v1 uuid Translated from J.B. Langston’s Converting TimeUUID Strings to Dates Java version to Python: import arrow import fileinput import uuid def main(): for line in fileinput.input(): line = line.rstrip() value = uuid.UUID(line) epoch_millis = (value.time – … Continue reading
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