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    Category: tech

  1. Selectively ignore lines in git diff

    04 March 2026

    I have a things-as-code project that outputs mostly text-based formats, but a lot of them. To keep an eye on consistency, I rebuild all the outputs and dump them into a local git repository so I can very easily diff to spot any changes - which was fine until we added a build timestamp, so every file looks changed on every run! This post is about ignoring the matching line with git diff -I.

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  2. Git renames are not renames

    28 January 2026

    I consider myself pretty git-confident, I've worked with it a lot, taught it, been a git consultant, run engineering and various things-as-code teams. This week I had a spectactular git problem where merging one branch into another produced changes that didn't exist on either branch. Turns out, renaming directories in a monorepo with multiple almost-identical boilerplate documentation files comes with surprises...

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  3. Manage Diagrams in AsciiDoc on GitHub

    25 January 2026

    I use a lot of asciidoc these days for work documentation (and I love it) and I've been so happy that GitHub renders it when you view a repository in the web browser, just like it does for Markdown and ReStructuredText. BUT what GitHub does not do is render the image types that asciidoc does so even though I'm working with asciidoc and PlantUML, and the asciidoc tools render those diagrams nicely in PDF and HTML output - GitHub's rendering doesn't. So here's a quick overview of how I handle those repositories.

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  4. Safe Screensharing Setup

    10 June 2025

    In my time I've spent a LOT of time on screenshare, and I'm confident sharing my screen. Part of the confidence comes from maintaining a usage pattern that means I CAN confidently share my screen and rarely embarrass myself. After sharing some tips with a former colleague recently, I have tried to package up the best bits of that conversation and turn it into some tips to share.

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  5. Publish to GitHub pages with Sphinx

    05 June 2025

    I'm a big fan of docs-as-code for more or less any type of content publishing, but I'm less of a fan of Jekyll, the default tool used in GitHub pages. I also prefer ReStructuredText over Markdown as a markup format, so Sphinx is definitely on my shortlist of SSGs (Static Site Generators) for my projects. I recently switched the rst2pdf docs to using Sphinx hosted on GitHub pages, so here are my setup notes.

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  6. Just Enough Docs

    28 April 2025

    Too many open source projects suffer from inadequate documentation, and that hurts their adoption, their communities, and puts more burden on maintainers. Many people who create open source software don't see see themselves as writers, but today I'm sharing tips for documenting open source projects without it needing to take up a huge amount of time to get something published and ready for (docs) contributions.

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  7. Right-Size Your RESTful API: More Flexibility Without GraphQL

    26 March 2025

    If you publish a RESTful API and there are situations when you need less (or more!) detail in the API responses from your API - then this post is for you. When I run into this with the teams I advise, the initial problem statement usually arrives more like "We need to move to GraphQL", but this is a solution, not a problem to solve. The problem usually turns out to be either or both of:

    • the API responses are simply too large for some of the clients or uses cases, users need to select just the fields they want

    • the API doesn't have enough information in the response payload for this client or use case, users need to choose to include nested data

    GraphQL is one way to achieve these things, but this post is about the RESTful way to provide the right level of detail in an API response.

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  8. Markdown/Mermaid output for OpenAPI Arazzo

    12 March 2025

    API reference documentation changed the way we built integrations, and eventually became part of the driving force for OpenAPI adoption and all the good tooling that flowed from it. As a developer experience specialist, I spend a lot of time thinking about how human users can work with the technical …

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  9. From HTTP to OpenAPI with Optic

    17 February 2025

    I've been using Optic's CLI, an OpenAPI tool that does a bunch of things including diffing OpenAPI descriptions and comparing HTTP traffic with OpenAPI. My use case was an established API that didn't have an OpenAPI file yet - using Optic we could create one as a starting point, and then move to a design-first workflow to make the changes that I was there to help with. For this blog post, I've used the example of https://api.joind.in as an excellent representation of an API still in use, but without an OpenAPI file and not built with code that a code generator would recognise.

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  10. Preview OpenAPI as HTML using Scalar

    14 February 2025

    The API DevTools space is alive and well with lots of new and exciting products popping up all the time. I've been especially impressed by the new tools in the docs space, but some of the options are less practical for use as quick human-friendly OpenAPI renderings or previews to use during API development. My current favourite in this space is Scalar because I can get an HTML file to easily include in a build or share with others. It's a bit of a hack though, so I thought I'd share...

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  11. Presenting with pdfpc

    11 February 2025

    My slide deck tool ( rst2pdf ) produces PDFs, and I use pdfpc to present the PDF slides. It shows the current and next slides, my notes, a timer, and it probably does other things too that I don't use! I've used it for years but it was really designed for "in real world" presenting with one or two screens. Recently I discovered it also supports some great options for remote presentations, but I had to look up how to do that so here are my notes (mostly in case I need to look it up 1 minute before I go on stage again!!).

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  12. Querying the GitHub GraphQL API

    27 January 2025

    In a recent project around open source contributors, I wanted to take a look at which projects a particular user (actually a few of them, but I wrote a wrapper to repeat the process for each handle) maintains. GitHub doesn't show this maintainer relationship, so instead I used the v4 GraphQL API and looked at pull request comments on repositories that the user has access to. I'm sharing my query and the Python script I used to make the API calls to.

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