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TypeScript

Optional static type-checking for JavaScript.

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Shipping a reminder email must not remind everyone who signed up before it existed, so ours has a seven day cutoff

Shipping a reminder email must not remind everyone who signed up before it existed, so ours has a seven day cutoff

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8 min read
Fifteen pages, 45 sibling links, and the one page no sibling links to

Fifteen pages, 45 sibling links, and the one page no sibling links to

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6 min read
Our settlement job and our checkout webhook can reach for the same reward row, and the one that proceeds is whoever gets it back from an UPDATE

Our settlement job and our checkout webhook can reach for the same reward row, and the one that proceeds is whoever gets it back from an UPDATE

Comments
5 min read
Our Risk of Ruin Calculator Said 2%. Our Real Trades Said 11%.

Our Risk of Ruin Calculator Said 2%. Our Real Trades Said 11%.

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7 min read
Protect Conversation Summarization from Memory Poisoning: A TypeScript Tutorial for a Service Like BlaBlaCar

Protect Conversation Summarization from Memory Poisoning: A TypeScript Tutorial for a Service Like BlaBlaCar

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4 min read
Tabnas: A Flexible Parsing Engine, or an Abstraction Too Far?

Tabnas: A Flexible Parsing Engine, or an Abstraction Too Far?

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6 min read
Parallel AI agents need a contract first

Parallel AI agents need a contract first

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3 min read
10 TypeScript files, 5 SDK artefacts: typed in Node and Deno

10 TypeScript files, 5 SDK artefacts: typed in Node and Deno

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5 min read
Persist the practice stop before sending it

Persist the practice stop before sending it

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2 min read
How I stopped an LLM from inventing things on people's CVs

How I stopped an LLM from inventing things on people's CVs

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2 min read
I Built a Fake Linear So My Agents Could Fail in Private đź« 

I Built a Fake Linear So My Agents Could Fail in Private đź« 

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2 min read
BullMQ in production: the retry, stalled-job and Redis connection mistakes that bite

BullMQ in production: the retry, stalled-job and Redis connection mistakes that bite

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6 min read
Your DataLoader fixed the N+1. It may also be giving posts the wrong author.

Your DataLoader fixed the N+1. It may also be giving posts the wrong author.

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4 min read
One zod schema per route: Express handler, OpenAPI and TS client

One zod schema per route: Express handler, OpenAPI and TS client

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5 min read
TypeScript `StrictPropertyInitialization` in Real Codebases: Patterns That Pass the Compiler Without Lying

TypeScript `StrictPropertyInitialization` in Real Codebases: Patterns That Pass the Compiler Without Lying

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12 min read
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