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Mark Evans

@onlyrss.org
23 followers 23 following 47 posts

Principal Product Manager, ex-scientist, blogger, data-viz & typography nerd, hobby developer, and general tech enthusiast.

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Mark Evans @onlyrss.org · 12/03/2026
5am start to get to Brighton by 9am for #WebDayOut. Not sure if using my mini eReader as a name badge is cool or sad🤔
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Mark Evans @onlyrss.org · 02/03/2026
Gave a GitHub, GitHub Copilot, VSCode demo to fellow Product Managers recently, wanted to cover Markdown files, so needed to cover the concept of Markup, I might have gone a little too deep.
Handwritten title ‘Early Markup’ above a photo of an ancient Egyptian wall relief showing painted hieroglyphs, birds, and symbolic figures in muted reds, greens, and golds. Some hieroglyphs are contained within a cartouche.
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Mark Evans @onlyrss.org · 27/12/2025
I now have a drone (my first), so all my future photos will probably be some variation on this one (which was taken over Church Lench, Evesham, UK)
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Mark Evans @onlyrss.org · 23/12/2025
Apparently, the new Trump-class warship will use an AI based on Trump’s own personality. There’s only one possible problem…
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Mark Evans @onlyrss.org · 22/11/2025
AI (Gemini) created (from a photo realistic image) Starfury from Babylon 5.
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Mark Evans @onlyrss.org · 26/10/2025
@deceptive.design Here's one for your "catalogue of deception/manipulation manual" etc. This is from a hotel check-in process. The marketing opt-out is hidden behind a "click here" link. And there was me believing that links were meant for navigation 🤔.
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Mark Evans @onlyrss.org · 14/04/2025
My TRMNL eink thing arrived!
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Mark Evans @onlyrss.org · 12/04/2025
There's a nice little feature on the PostPark screenshots/mockups tool, you can get a GitHub commit history by just entering a GitHub username. From the nav: Templates > GitHub Contributions. postspark.app/github-contr... Here's mine:
I screenshot of a GitHub commit history, showing 5 calendar heatmaps, one per year.
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Mark Evans @onlyrss.org · 23/03/2025
My shower-thought for today
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Mark Evans @onlyrss.org · 28/02/2025
@kevinpowell.co I just dumped some HTML & CSS into Claude and asked it to sketch and annotate the layout. It output the following SVG, which (as a CSS novice) I think is kinda useful. Not sure how well it would work with more complex layouts.
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Mark Evans @onlyrss.org · 14/02/2025
These f#&king people. I swear to god, my irony meter just exploded.
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Mark Evans @onlyrss.org · 31/01/2025
Now this is something I can get behind. There's a lot of wisdom in Netflix's Castlevania.
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Mark Evans @onlyrss.org · 29/01/2025
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Mark Evans @onlyrss.org · 28/01/2025
In Chrome v133 (i.e. the next version) you can use `atrr()` in CSS to pass HTML attributes to CSS as values—not just strings. And then use them to define parameters such as lengths etc. In this example the bar lengths are in the HTML. No JavaScript was hurt during the creation of this bar chart 😆
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Mark Evans @onlyrss.org · 19/12/2024
I only recently started watching Amazon Prime's Secret Level, and today I got to episode 4. As a “person of a certain age”, let's just say it was awesome to see an episode based on Unreal Tournament! en.wikipedia.org/wiki/Secret_...
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Mark Evans @onlyrss.org · 18/12/2024
Costco have perfected the traditional UK Mince Pie. They replaced the pastry lid (which always cracked in the wrong place when biting down on it) with sponge. And have reduced the quantity of mince to about 5%. Oh… and it's also twice as big now :-)
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Mark Evans @onlyrss.org · 16/12/2024
I've been using HTML/CSS/JS to create a visualisation that shows a year's worth of my walks (from Strava) in a GitHub style timeline heatmap. Here's what I have so far:
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Mark Evans @onlyrss.org · 14/12/2024
Mostly walking!
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Mark Evans @onlyrss.org · 13/12/2024
I often end the day with about 50% charge remaining on my Pixel 6 Pro, so I've been waiting for the "Limit to 80%" feature to become available. I don't like having to buy a new phone when the only issue with the current phone is a degraded battery. Hopefully this will help.
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Mark Evans @onlyrss.org · 11/12/2024
I'm trying to encourage people to take a daily walk by bringing back the old phrase "daily constitutional" (blog post coming soon), it's not going well.
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