I've been writing my Fly logs to S3 in newline-delimited JSON format using the recipe described in [Writing Fly logs to S3](https://til.simonwillis...

I was putting together some notes for a talk I gave, and I wanted an efficient way to create screenshots of specific moments in a video of that talk.

Day 77 of 90 Days of DevOps - Service Mesh with Istio. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

I've been trying to figure this out for years. Previous notes include [Using LD_PRELOAD to run any version of SQLite with Python](https://til.simon...

[Atuin](https://github.com/ellie/atuin) (via [Rhet Turnbull](https://twitter.com/RhetTurnbull/status/1518942324004319232)) "replaces your existing ...

I wanted to try out [Jest](https://jestjs.io/) for writing JavaScript unit tests, in a project that wasn't set up with `package.json` and other NPM...

I had a long-running process and I wanted to check that it was at least doing _something_.

Day 76 of 90 Days of DevOps - API Gateway and Microservices. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

Day 75 of 90 Days of DevOps - Event-Driven Architecture. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

I previously wrote about [Packaging a Python CLI tool for Homebrew](https://til.simonwillison.net/homebrew/packaging-python-cli-for-homebrew). I've...

Day 74 of 90 Days of DevOps - Serverless Frameworks and Tools. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

[Towards Inserting One Billion Rows in SQLite Under A Minute](https://avi.im/blag/2021/fast-sqlite-inserts/) includes this snippet:

Day 73 of 90 Days of DevOps - Azure Functions and Logic Apps. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

[Protomaps](https://protomaps.com/) is "an open source map of the world, deployable as a single static file on cloud storage". It involves some _ve...

Today I learned about this:

I had to get Docker Compose working for a Django project, primarily to make it easier for other developers to get a working development environment.

Day 72 of 90 Days of DevOps - AWS Lambda and Function Development. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

One of our cameras takes raw photos in ORF format, which I believe stands for "Olympus Raw Format". Here's a recipe I found for converting them to ...

`migrations.RunSQL.noop` provides an easy way to create "reversible" Django SQL migrations, where the reverse operation does nothing (but keeps it ...

Today I learned that if you hit `Esc` in vim and then type `:set mouse=a` and hit enter... vim grows mouse support! In your terminal!

Day 71 of 90 Days of DevOps - Serverless Computing Introduction. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

This runs using Spotlight so it's really fast:

Day 70 of 90 Days of DevOps - Security Incident Response. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

I finally found a workaround for this error when attempting to load a SQLite extension in Python on macOS: