Craig Ferguson

software engineer @monzo. ex-@tarides_ ⛵️ 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇬🇧🇪🇺 he/him

[Craig Ferguson @_craigfe]

Announcing an operator lookup tool for OCaml! 🐫
🎉 https://t.co/U7etlhS63Y

It takes an OCaml operator or syntax element and gives an explanation of its behaviour, usage examples and warnings about common misuses.

Thanks to @JoshWComeau for the idea and design elements.

[Vic 🌮 @VicVijayakumar]

[private message on work slack]

friend: hey buddy how do i <do thing>, i can't find it in your team's docs and i feel super dumb

me: hey buddy! it doesn't exist. please re-ask this question in our public help channel so whoever is on-call can answer you.

[public help channel]

friend: hi team, our service needs to <do thing> because of <legit reasons>. we're wondering what the right way to do it is. thanks!

me (also the on-call): hello, this is not possible at the moment, but we'll add a ticket for it and prioritize it in our upcoming sprint.

[Craig Ferguson @_craigfe]

I wrote about using confidential computing and reproducible builds to broker access to admin permissions at @monzo 🔒🏦

https://t.co/Io1SGcqvw9

[Craig Ferguson @_craigfe]

@welltypedwitch Use of `*` in multi-value constructors feels like an unforced error from a syntax design point-of-view.

[Craig Ferguson @_craigfe]

@patricoferris Congrats 🎉 Really looking forward to seeing what you get up to

[Craig Ferguson @_craigfe]

Really lovely post by Patrick with lots of pointers to interesting open source work – he's been on quite a tour!

[Lucas Pluvinage @TheLortex]

ah yes, increasing the speed of an OCaml program by up to 50% by predicting memory allocation patterns.
The correctness is straightforward, but why is it faster ?
When unrolled i get a 2x improvement over the naive loop.

[Ian Henry @ianthehenry]

I wrote a book about the Janet programming language: https://t.co/nJLW0Qwts8

[Craig Ferguson @_craigfe]

There's a really glorious Terraform + Nix setup out there waiting for me if I could _just_ spend 5 years building it

[Craig Ferguson @_craigfe]

Would love a Terraform provider for MacOS system preferences – bit fed up slowly re-creating the same config on each machine I ever use / reconciling drift manually.

[Allen Pan @AnyTechnology]

Watch a billion dollar news company use my footage without licensing it

[Thomas Gazagnaire @eriangazag]

A sweet example of #offlinefirst application built using #Irmin and #OCaml. Backup your browser application data in Git on the server-side and use a 3-way merge strategy to reconcile any conflicts. Great work @dinakajoy !

[Craig Ferguson @_craigfe]

Oh. Oh no.

[Craig Ferguson @_craigfe]

Finally got around to fixing the initial dark mode flicker on my site 🎉 Only took me several years to get around to it...

Dark mode + SSR always feels more complicated than it really should – props to @JoshWComeau for his excellent post on the subject. https://t.co/dI6WuHE52z

[Craig Ferguson @_craigfe]

Caching aside, I thought there would be more paranoid/risk-averse consumers of popular base images (distros) reproducing image hashes themselves (in multiple places / by multiple engineers), but looks like 99.99% just delegate trust to the vendor via signing &amp; leave it at that.

[Craig Ferguson @_craigfe]

Surprised that relatively few folks seem interested in having their Docker images be truly "reproducible" (in the byte-for-byte sense, not just a fuzzy notion of equivalent output).

There seems to be plenty of ways to do it, but none of them seem to be used _that_ widely.

[Craig Ferguson @_craigfe]

@kmett Saw this feature and immediately thought "Hmm, there's definitely a @kmett tweet in there somewhere..."

[Craig Ferguson @_craigfe]

@TheEduardoRFS Probably a lack of pre-provided editor tooling making this feel more heavyweight than it actually is.

Should be able to jump quickly between corresponding definitions, or generate them on-demand by inference if they don't already exist.