// writing

Writing — Page 4

A mix of technical deep-dives, career reflections, and dispatches from the road.

Svelte Error Boundaries: Contain the Crash Instead of Losing the Page thumbnail

developmentOct 15, 2026· 4 min

Svelte Error Boundaries: Contain the Crash Instead of Losing the Page

One flaky widget shouldn't blank your whole app. Here's how Svelte's boundary element walls off failures, shows loading UI for await, and works during SSR.

Perpetual Futures: How Funding Rates Keep a Contract With No Expiry Honest thumbnail

financeOct 14, 2026· 5 min

Perpetual Futures: How Funding Rates Keep a Contract With No Expiry Honest

Perpetual futures never expire. Here's how the funding rate keeps them pinned to spot, what it costs to hold one, and why leverage makes the math unforgiving.

Obsidian Quick Capture on iOS: Stop Losing Thoughts to the Loading Screen thumbnail

obsidianOct 13, 2026· 4 min

Obsidian Quick Capture on iOS: Stop Losing Thoughts to the Loading Screen

Obsidian's Quick Capture for iOS 26 lets you jot a note from the Lock Screen or Control Center without waiting for your vault to load. Here's how it works.

Dependency Cooldowns: Make Your Package Manager Wait Before It Trusts New Code thumbnail

developmentOct 12, 2026· 4 min

Dependency Cooldowns: Make Your Package Manager Wait Before It Trusts New Code

npm, pnpm, Yarn, and Bun can all refuse package versions that are only hours old. Here's how each release-age gate works, why units differ, and where CI bites.

CSS Container Style Queries: Let the Parent Set the Theme thumbnail

developmentOct 11, 2026· 3 min

CSS Container Style Queries: Let the Parent Set the Theme

Container style queries hit Baseline in May 2026. Here's how to let a parent's custom property drive its children's styles, and the one gotcha to watch for.

Bitcoin's Security Budget: What Happens When Fees Are Under 1% of Miner Revenue thumbnail

financeOct 10, 2026· 4 min

Bitcoin's Security Budget: What Happens When Fees Are Under 1% of Miner Revenue

Bitcoin pays miners mostly in newly issued coins, and in 2026 fees cover under 1% of miner revenue. Here's how the security budget works and why fees matter.

JSON Canvas: Generate Obsidian Canvases From a Script thumbnail

obsidianOct 9, 2026· 3 min

JSON Canvas: Generate Obsidian Canvases From a Script

A .canvas file is just JSON with an open spec. Here's how the format works and how to build a canvas from your notes with a short Node script.

Map.getOrInsert: Stop Writing the has/get/set Dance thumbnail

developmentOct 8, 2026· 3 min

Map.getOrInsert: Stop Writing the has/get/set Dance

Map and WeakMap now have getOrInsert and getOrInsertComputed, two methods that replace the check-then-set boilerplate every JavaScript codebase is full of.

Where Your Stock Order Actually Goes: Wholesalers, PFOF, and the NBBO thumbnail

financeOct 7, 2026· 5 min

Where Your Stock Order Actually Goes: Wholesalers, PFOF, and the NBBO

Most US retail stock orders never touch an exchange. Here's how wholesalers, payment for order flow, and the NBBO decide your price, and what changed in 2026.

// the newsletter

Don't miss the next one