Dave Evans

@_EvansD

Computer things. Engineer at bennett.ox.ac.uk. Consulting on other projects. Director at if.org.uk

London

evansd.net

Joined April 2011

170 Following

225 Followers

Replies Reposts Media

Dave Evans
@_EvansD
Dec 9, 2025
@simonw Your recent post on Python deprecation warnings reminded me of a useful practice we've developed at work: adding a tiny pytest snippet which fails CI on warnings, and then documenting the ones we silence: github.com/bennettoxford/… github.com/opensafely-cor…
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Dave Evans
@_EvansD
Apr 18, 2024
We're hiring! I cannot overstate the satisfaction of working on stuff that matters (improving healthcare, scientific openness, protecting patient privacy) with brilliant, lovely people in a high-autonomy environment. Immediately stop what you're doing and come and work with us.
Ben Goldacre
@bengoldacre
Apr 18, 2024
SOFTWARE DEVELOPERS WE ARE HIRING We are 40 glorious developers and researchers building critical national data infrastructure for research on health records and more, with huge user numbers, brilliant ideas, brilliant people, huge real-world impact, and everything open source
Dave Evans
@_EvansD
Sep 22, 2023
This is the thing I've been working on for what feels approximately like forever, but is finally being used for real in the wild. The hardest and most fun code I've ever written:
Ben Goldacre
@bengoldacre
Sep 21, 2023
HEALTH DATA GEEKS! We have developed a portable language for electronic health record data preparation, to meet our needs (for our federated analyses across 58m patients' GP data!) but also to be terse, composable, readable, and.. constrained BUT flexible bennett.ox.ac.uk/blog/2023/09/w…
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Dave Evans
@_EvansD
Mar 10, 2023
@teagermylk Hey there, just wondered if you'd seen this issue and could confirm either way if this was you? github.com/tmylk/yearly_p… If so, we can send you an entire copy of our database more easily than you can scrape it :)
Scraping OpenPrescribing.net · Issue #1 · tmylk/yearly_prescriptions
From github.com
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Dave Evans
@_EvansD
May 14, 2020
Among the many lessons here is the extraordinary power of small, mixed teams: developers, clinicians, academics (or all 3 in 1 like @dr_c_morton!) working closely together and learning from one another. There's no way this could have been achieved on these timescales otherwise.
The Economist
@TheEconomist
May 14, 2020
In normal circumstances, obtaining permission to look at sensitive health data would take months or years. A new team has gone from idea to publication in just 42 days econ.trib.al/KmxxzLQ