Categories

bash bazel books c codemods concurrency data debugging design devprod docker dotfiles flow fragment git haskell in-pictures interviewing javascript language-servers latex linux make markdown meta notes osx parsing plt practices printing programming python reasonml recitation rss rubocop ruby scala sml sorbet sorbet-compiler terminal tmux tree-sitter troubleshooting types unix vim webdev writing zsh

bash

Driving Bazel with fzf, August 10, 2023
Surgery on Code from the Command Line, July 30, 2019
A Debugger for Bash in Six Lines of Bash, June 16, 2019
Improving CLIs with isatty, June 11, 2019
Standard ML in Travis CI, June 4, 2019
Code Review from the Command Line, January 13, 2018
Show where a Python package is used, June 12, 2015
Google Chrome: A Memory Hog, December 29, 2014
Vim as a Man Page Viewer, December 20, 2014

bazel

Driving Bazel with fzf, August 10, 2023

books

The Joys of the Craft, December 13, 2014

c

Linkers & Ruby C Extensions, June 7, 2020

codemods

Tips for large-scale codemods, November 12, 2022
Surgery on Code from the Command Line, July 30, 2019

concurrency

Concurrent Programming in ML: A Race, July 18, 2018

data

Presenting Data & Information: Notes, December 6, 2017

debugging

Approximating strace with Instruments.app, October 9, 2024
Bug squash: An underrated interview question, August 17, 2024
perf, Rinse, Repeat: Making the Sorbet Compiler faster, May 23, 2021
Exploring Ruby with clangd, July 21, 2020
Search Down the Stack, June 6, 2020
Profiling in Haskell for a 10x Speedup, May 19, 2019

design

Solarized LaTeX Listings, October 4, 2014
Molokai: An iTerm2 Color Scheme, June 7, 2014

devprod

Tips for large-scale codemods, November 12, 2022
With types, seeing is believing, June 4, 2022

docker

Docker Tips and Cheatsheet, July 12, 2015

dotfiles

Driving Bazel with fzf, August 10, 2023
Starter Zsh Setup, January 3, 2016
Noteworthy Dotfile Hacks, March 10, 2015
Getting Started with RCM, March 9, 2015

flow

Prefer .then() over .catch(), May 31, 2018
Union Types in Flow & Reason, April 19, 2018
Case Exhaustiveness in Flow, April 15, 2018

fragment

Old vs new case statement in Ruby, May 31, 2024
Gripes with RSS after one week, December 31, 2022
T::Enum Pros & Cons, March 17, 2022
Search Down the Stack, June 6, 2020
Prefer .then() over .catch(), May 31, 2018
Lenses & Composition, February 6, 2018
ABTs in Haskell, November 12, 2017
Tests, Types, & Correctness, September 10, 2017
If, Else, & Purity, September 1, 2017

git

Code Review from the Command Line, January 13, 2018
Noteworthy Dotfile Hacks, March 10, 2015
New GitHub Username, February 3, 2015
Mastering git log for Collaboration, January 16, 2015
Using Multiple Git Remotes, November 1, 2014

haskell

Profiling in Haskell for a 10x Speedup, May 19, 2019
Lenses & Composition, February 6, 2018
Some Intuition on Lenses, February 6, 2018
ABTs in Haskell, November 12, 2017
Haskell Development with Neovim, July 16, 2017
Troubleshooting Haskell Stack Setup on OS X, August 3, 2016

in-pictures

Inheritance in Ruby, in pictures, December 28, 2023
ActiveSupport’s Concern, in pictures, August 26, 2023
My workflow for hand-drawn diagrams, December 13, 2022
Sorbet’s weird approach to exception handling, September 4, 2022
GC.compact in Pictures, December 18, 2020

interviewing

Bug squash: An underrated interview question, August 17, 2024

javascript

Ruby’s Conditional Send is not Safe Navigation, September 3, 2023
Prefer .then() over .catch(), May 31, 2018
Union Types in Flow & Reason, April 19, 2018
Case Exhaustiveness in Flow, April 15, 2018
Code Review from the Command Line, January 13, 2018

language-servers

Making Sorbet more incremental, January 9, 2023

latex

Reach for Markdown, not LaTeX, February 26, 2017
The LaTeX homework Document Class, January 10, 2015
Offline LaTeX Development - Part 2, January 10, 2015
Offline LaTeX Development, October 6, 2014
Solarized LaTeX Listings, October 4, 2014
A LaTeX Homework Template, October 4, 2014

linux

Approximating strace with Instruments.app, October 9, 2024
Linkers & Ruby C Extensions, June 7, 2020
Search Down the Stack, June 6, 2020
Leaking Free Disk Space, August 3, 2015
Adding a Network Printer to a Linux Server, May 6, 2014

make

Offline LaTeX Development, October 6, 2014

markdown

Reach for Markdown, not LaTeX, February 26, 2017

meta

Using my iPhone as a travel laptop, September 15, 2024
Moving to excerpt-only for feeds, December 30, 2022
My workflow for hand-drawn diagrams, December 13, 2022
Some Old Sorbet Compiler Notes, December 10, 2022
Recitation Notes, September 24, 2017
New GitHub Username, February 3, 2015
HPSTR: An Octopress Theme, June 4, 2014
Shiny New Octopress Blog, May 6, 2014

notes

Presenting Data & Information: Notes, December 6, 2017

osx

Approximating strace with Instruments.app, October 9, 2024
Troubleshooting Haskell Stack Setup on OS X, August 3, 2016
SML Dev Setup, March 9, 2016
Offline LaTeX Development - Part 2, January 10, 2015

parsing

Parse Error Recovery in Sorbet: Part 4, June 6, 2022
Is tree-sitter good enough?, May 30, 2022
Parse Error Recovery in Sorbet: Part 3, February 28, 2022
Parse Error Recovery in Sorbet: Part 2, February 22, 2022
Parse Error Recovery in Sorbet: Part 1, February 21, 2022

plt

Every type is defined by its intro and elim forms, April 23, 2023
Sorbet, Generics, and Parametricity, February 18, 2022
Notes on Continuations, June 18, 2019
ABTs in Haskell, November 12, 2017
Variables and Binding, October 28, 2017
System Fω and Parameterization, September 27, 2017
Variables in Types, September 25, 2017

practices

Bug squash: An underrated interview question, August 17, 2024
It’s okay to work on tiny projects, September 18, 2023
Don’t bury the lede in technical docs, November 29, 2022

printing

Adding a Network Printer to a Linux Server, May 6, 2014

programming

Ruby’s Conditional Send is not Safe Navigation, September 3, 2023
Every type is defined by its intro and elim forms, April 23, 2023
On Programming Language Choice, June 21, 2019
Case Exhaustiveness in Flow, April 15, 2018
Code Review from the Command Line, January 13, 2018
Tests, Types, & Correctness, September 10, 2017
If, Else, & Purity, September 1, 2017
The Joys of the Craft, December 13, 2014

python

Show where a Python package is used, June 12, 2015
Ruby Virtualenvs, December 22, 2014
Using Google OAuth2 for CMU Authentication, October 20, 2014

reasonml

Union Types in Flow & Reason, April 19, 2018

recitation

Notes on Continuations, June 18, 2019
System Fω and Parameterization, September 27, 2017
Variables in Types, September 25, 2017
Recitation Notes, September 24, 2017

rss

Gripes with RSS after one week, December 31, 2022
Moving to excerpt-only for feeds, December 30, 2022

rubocop

What would a type-aware Rubocop look like?, May 16, 2022

ruby

Generic methods cannot have non-generic defaults in Sorbet, July 28, 2024
A trick for invariant generics in Sorbet, June 5, 2024
Old vs new case statement in Ruby, May 31, 2024
Abstract singleton class methods are an abomination, January 1, 2024
Why don’t constructors have override checking?, December 31, 2023
Inheritance in Ruby, in pictures, December 28, 2023
A trick for generic constructors in Sorbet, October 28, 2023
Only return nil if given nil, September 15, 2023
Ruby’s Conditional Send is not Safe Navigation, September 3, 2023
ActiveSupport’s Concern, in pictures, August 26, 2023
Why Sorbet needs T.let(…, T::Boolean), May 13, 2023
Typing klass.new in Ruby with Sorbet, February 19, 2023
Ruby’s private keyword is weird, February 13, 2023
Problems typing equality in Ruby, January 24, 2023
Sorbet’s weird approach to exception handling, September 4, 2022
Control Flow in Sorbet is Syntactic, August 24, 2022
What would a type-aware Rubocop look like?, May 16, 2022
Sorbet, Generics, and Parametricity, February 18, 2022
Typed Errors in Sorbet, June 5, 2021
Sorbet Does Not Have Checked Exceptions, May 29, 2021
perf, Rinse, Repeat: Making the Sorbet Compiler faster, May 23, 2021
Instant Runtime Type Checks in Ruby, April 25, 2021
GC.compact in Pictures, December 18, 2020
Mimicking Opaque Types in Sorbet, December 12, 2020
Questioning self in Ruby, October 9, 2020
Singletons and Flow-Sensitive Typing, September 25, 2020
Fast While Loops in Ruby, September 19, 2020
Another Look at Typed Array Access, September 11, 2020
Types Make Array Access Faster, August 28, 2020
Exploring Ruby with clangd, July 21, 2020
Linkers & Ruby C Extensions, June 7, 2020
Sorbet Does Not Have FixMe Comments, February 12, 2020
Intersection Types in Sorbet are Surprisingly Common, January 4, 2020
What makes type checking Ruby hard?, December 29, 2019
Ruby Virtualenvs, December 22, 2014

scala

Ruby’s private keyword is weird, February 13, 2023

sml

Standard ML in Travis CI, June 4, 2019
Concurrent Programming in ML: A Race, July 18, 2018
System Fω and Parameterization, September 27, 2017
SML Dev Setup, March 9, 2016

sorbet

Generic methods cannot have non-generic defaults in Sorbet, July 28, 2024
A trick for invariant generics in Sorbet, June 5, 2024
Abstract singleton class methods are an abomination, January 1, 2024
Why don’t constructors have override checking?, December 31, 2023
Inheritance in Ruby, in pictures, December 28, 2023
A trick for generic constructors in Sorbet, October 28, 2023
Only return nil if given nil, September 15, 2023
Why Sorbet needs T.let(…, T::Boolean), May 13, 2023
Typing klass.new in Ruby with Sorbet, February 19, 2023
Problems typing equality in Ruby, January 24, 2023
Making Sorbet more incremental, January 9, 2023
Runtime type checking is great, January 3, 2023
Some Old Sorbet Compiler Notes, December 10, 2022
Sorbet’s weird approach to exception handling, September 4, 2022
Control Flow in Sorbet is Syntactic, August 24, 2022
Parse Error Recovery in Sorbet: Part 4, June 6, 2022
With types, seeing is believing, June 4, 2022
What would a type-aware Rubocop look like?, May 16, 2022
T::Enum Pros & Cons, March 17, 2022
Parse Error Recovery in Sorbet: Part 3, February 28, 2022
Parse Error Recovery in Sorbet: Part 2, February 22, 2022
Parse Error Recovery in Sorbet: Part 1, February 21, 2022
Sorbet, Generics, and Parametricity, February 18, 2022
Typed Errors in Sorbet, June 5, 2021
Sorbet Does Not Have Checked Exceptions, May 29, 2021
Instant Runtime Type Checks in Ruby, April 25, 2021
Mimicking Opaque Types in Sorbet, December 12, 2020
Singletons and Flow-Sensitive Typing, September 25, 2020
Sorbet Does Not Have FixMe Comments, February 12, 2020
Intersection Types in Sorbet are Surprisingly Common, January 4, 2020
What makes type checking Ruby hard?, December 29, 2019

sorbet-compiler

Some Old Sorbet Compiler Notes, December 10, 2022
perf, Rinse, Repeat: Making the Sorbet Compiler faster, May 23, 2021
Instant Runtime Type Checks in Ruby, April 25, 2021
Fast While Loops in Ruby, September 19, 2020
Another Look at Typed Array Access, September 11, 2020
Types Make Array Access Faster, August 28, 2020

terminal

Improving CLIs with isatty, June 11, 2019
Offline LaTeX Development - Part 2, January 10, 2015
Setting up MobaXterm for SSH on Windows, September 28, 2014
Molokai: An iTerm2 Color Scheme, June 7, 2014

tmux

Noteworthy Dotfile Hacks, March 10, 2015

tree-sitter

Is tree-sitter good enough?, May 30, 2022
Parse Error Recovery in Sorbet: Part 2, February 22, 2022

troubleshooting

Troubleshooting Haskell Stack Setup on OS X, August 3, 2016

types

Generic methods cannot have non-generic defaults in Sorbet, July 28, 2024
Abstract singleton class methods are an abomination, January 1, 2024
Why don’t constructors have override checking?, December 31, 2023
Inheritance in Ruby, in pictures, December 28, 2023
Why Sorbet needs T.let(…, T::Boolean), May 13, 2023
Every type is defined by its intro and elim forms, April 23, 2023
Typing klass.new in Ruby with Sorbet, February 19, 2023
Problems typing equality in Ruby, January 24, 2023
Runtime type checking is great, January 3, 2023
Sorbet’s weird approach to exception handling, September 4, 2022
Control Flow in Sorbet is Syntactic, August 24, 2022
Typed Errors in Sorbet, June 5, 2021
Sorbet Does Not Have Checked Exceptions, May 29, 2021
Mimicking Opaque Types in Sorbet, December 12, 2020
Singletons and Flow-Sensitive Typing, September 25, 2020
Sorbet Does Not Have FixMe Comments, February 12, 2020
Intersection Types in Sorbet are Surprisingly Common, January 4, 2020
What makes type checking Ruby hard?, December 29, 2019
Notes on Continuations, June 18, 2019
Union Types in Flow & Reason, April 19, 2018
Case Exhaustiveness in Flow, April 15, 2018
Lenses & Composition, February 6, 2018
Some Intuition on Lenses, February 6, 2018
System Fω and Parameterization, September 27, 2017
Variables in Types, September 25, 2017
Tests, Types, & Correctness, September 10, 2017
If, Else, & Purity, September 1, 2017

unix

Surgery on Code from the Command Line, July 30, 2019
Improving CLIs with isatty, June 11, 2019
Google Chrome: A Memory Hog, December 29, 2014
Offline LaTeX Development, October 6, 2014

vim

Exploring Ruby with clangd, July 21, 2020
Code Review from the Command Line, January 13, 2018
Haskell Development with Neovim, July 16, 2017
Reach for Markdown, not LaTeX, February 26, 2017
Troubleshooting Haskell Stack Setup on OS X, August 3, 2016
SML Dev Setup, March 9, 2016
Noteworthy Dotfile Hacks, March 10, 2015
Vim as an IDE, March 3, 2015
Offline LaTeX Development - Part 2, January 10, 2015
Vim as a Man Page Viewer, December 20, 2014
Offline LaTeX Development, October 6, 2014

webdev

Using Google OAuth2 for CMU Authentication, October 20, 2014
HPSTR: An Octopress Theme, June 4, 2014

writing

Don’t bury the lede in technical docs, November 29, 2022

zsh

Driving Bazel with fzf, August 10, 2023
Starter Zsh Setup, January 3, 2016
Why zsh?, March 10, 2015
Noteworthy Dotfile Hacks, March 10, 2015