will-keleher.com

Draw a Silhouette of a Spider Missing Its Front Left Leg

Applying Aider-like Grammar Corrections to a Novel

\[Short gripe\] Stop using `.reduce` to make your code "functional"

Don't lecture when teaching software engineering

I avoid easy things I haven't tried

Why I avoid test stubs in TypeScript

Most engineers have git aliases; what are yours?

When helping elves, you should use complex numbers to navigate in 2D

18,957 tests in under 6 minutes: ClassDojo's approach to backend testing

XKCD's "Is It Worth the Time?" Considered Harmful

Python patterns I learned during last year's Advent of Code

Indexes are sorted arrays (sort of)

JSDoc comments can make fixtures easier to work with

Why does `zip(*[iter(s)]*n)` chunk s into n chunks in Python?

So, what can you do with a process ID?

Culling Containers with a Leaky Bucket

Writing FizzBuzz in MySQL 5.7 for no good reason

Using NodeJS's AsyncLocalStorage to Instrument a Webserver

Shell Patterns for Easy Automated Code Migrations

Large Analytics SQL Queries are a Code Smell

Red and Blue Function Mistakes in JavaScript

Slack is the Worst Info-Radiator

Bash Patterns I Use Weekly

Clean SQL Tricks

Canary Containers at ClassDojo in Too Much Detail

Node's `AsyncLocalStorage` Makes the Commons Legible

The 3 things I didn't understand about TypeScript

HyperLogLog-orrhea: how do HyperLogsLogs work?

ERROR, WARN, and INFO aren't actionable logging levels