This Week I Learned #1  — JOURNAL

The Infra Engineer’s Blind Spot — JOURNAL

Why I ended up down a rabbit hole instead of shipping.

find, grep, xargs, and newlines and null — JOURNAL

Turns out tr is your friend for this kind of thing.

Follow-Up on Command-Line Finding and Filtering — JOURNAL

A simpler solution that doesn’t require tr… if you have GNU utils or other alternatives.

This Week I Learned #3 — JOURNAL

Less reading this week… because more composing.

mut (and set) and autotracking in Ember Octane  — JOURNAL

Understanding a surprising behavior — and fixing a refactoring hazard.

Designing an Atomic CSS System — JOURNAL

Making my CSS scalable from the outset.

This Week I Learned #5 — JOURNAL

Making Illegal States Unrepresentable — In TypeScript — JOURNAL

Showing how Scott Wlaschin’s approach in F^♯ translates to a language with a very different type system.

Building the Slow Way — JOURNAL

Or, part of why rewrite is taking a while: I’m in this for the long haul.

A Git Workflow for Managing Long-Running Upgrades — JOURNAL

Using some lessons learned in the trenches of large upgrades.

Migrating Off of PromiseProxyMixin in Ember Octane  — JOURNAL

An important refactor for getting rid of mixins and proxies.

Async Data and Autotracking in Ember Octane — JOURNAL

Digging into the load helper and AsyncData type I introduced in an earlier post.

Tracking in the Glimmer VM↩︎ — ❈ — ELSEWHERE

Chris Garrett (@pzuraq) explains to me how autotracking and the Glimmer (Ember) template layer connect!

Data Constructors, Part 1: Understanding by Implementing  — JOURNAL

Understanding an idea from Standard ML-like languages by implementing it in (boring) TypeScript.

Autotracking: Elegant DX Via Cutting-Edge CS  — JOURNAL

A modern JavaScript reactivity system powered by Lamport clocks and incremental computation and depth-first searches: oh my!

Things I Was Wrong About: Types  — JOURNAL

Because it would do us all good to be a little more honest about where we’ve changed our minds or simply been mistaken.

Initializing Class Fields in Ember Octane  — JOURNAL

One of the many small-but-lovely benefits of getting to use native classes in Ember Octane.

Writing Robust TypeScript Libraries — JOURNAL

A subtler art than it might at first appear, if you intend to support JS or even loose mode TS.

Notes on Thoughtbot’s “Stop Using ‘any’” — JOURNAL

A couple tweaks and improvements to a good post!

Understanding args in Glimmer Components — JOURNAL

Clearing up a common confusion with a worked example.

Announcement: Speaking at EmberConf 2021  — ELSEWHERE

In which I’ll be speaking for 30 minutes at a JS conference… and will spend only about 5 of those minutes on JS.

A Useful Approach to Problem-Solving — JOURNAL

(It’s useful to me, at least.)

A Gap in (My Knowledge of) the Developer Productivity Literature  — JOURNAL

Where is the equivalent of Accelerate for anything outside of DevOps?

Naming and Framing — JOURNAL

Or, why did Accelerate matter for DevOps?

Introducing “Heuristics for Good Software Design” — JOURNAL

A series of posts in which I explain how I think about effective software design.

Progressive Disclosure of Complexity and Typed FP Languages — JOURNAL

Or, one part of why to some extent Elm, and to a significant degree PureScript Halogen, can be quite difficult for users to get their heads around at first.

RFC: Semantic Versioning for TypeScript Types ↩︎ — ❈ — ELSEWHERE

In which years of thinking and months of design come to fruition.

Impromptu EmberConf 2021 AMA↩︎ — ❈ — ELSEWHERE

In which my friend David Baker put me on the spot… and it was great!

Keep It Local — ELSEWHERE

Or: (part of) what “reasoning about your code” really means; being my EmberConf 2021 talk.

Chatting About Web Dev ↩︎ — ❈ — ELSEWHERE

Ember CLI history, ember-auto-import, web bundling, and more

MusicXML and Percussion Notation — JOURNAL

Digging into How Dorico and StaffPad represent percussion differently.

Small, Non-Trivial Projects for Learning — JOURNAL

For learning effectively, nothing is better than a real project which gives you a place to experiment and play.

Program modifications at low cost? — LIBRARY

Announcement: Speaking at TypeVille 2022  — ELSEWHERE

On the subject of “Types as Tools for Thought”

Semantic Versioning for TypeScript Types 1.0.0-beta.1↩︎ — ❈ — ELSEWHERE

After years of work, I’ve published the first beta of the spec for semantic versioning for TypeScript types!

SemVer for TS in Practice — JOURNAL

Showing how the recommendations from www.semver-ts.org can actually work in the real world.

Misusing TypeScript Assertion Functions for Fun and Profit — JOURNAL

A horrible (but very useful) hack I came up with yesterday for adding types to some old code.

A Pleasing Symmetry in Rust — JOURNAL

Appreciating how Rust enum variants are mirrors of its kinds of structs.

On the Ember Blog: Plain Functions as Helpers ↩︎ — ❈ — ELSEWHERE

Making sure people understand a new feature we shipped which is a big deal.

Flow State — JOURNAL

Maybe it’s less important than we like to think?

Marco’s Rule of Software Stacks (Expanded) — JOURNAL

On being the biggest user of a given technology.

Trade-offs — JOURNAL

They are real; but too often offered as an excuse to avoid thinking rather than a reason to think harder.

necessarily simple abstractions — LIBRARY

Organizing Many Software Projects — JOURNAL

How I lay out my file system and how I tweak Git for working on literally dozens of different repositories.

Reasoning About Reference Cycles — JOURNAL

Rust’s lifetime types are challenging, but they bring a capability I miss all the time in other languages.

A UML Comeback? — JOURNAL

Because the tools are positioned for sketching, now?

Product Idea: Meal Tracking for Athletes  — JOURNAL

All of the existing tools need broader design vocabularies.

Special Null Syntax vs. Types and Functions — JOURNAL

Why does Maybe.map feel better than ?? and friends to me? A sketch.

Build Yourself Small Tools — JOURNAL

Feature Idea: Week-Level Smart Training Plans  — JOURNAL

Training (at my level, anyway) is less about individual day-to-day work and more about what I do each week. The tools should support that!