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Posts by Alcides Fonseca

There is Gradual Liquid Types, which is the closest. But in our aeon paper we do exactly that with synthesis. We split refinement types into liquidtypes (hard constraints) and into fitness functions (soft constrains, turing complete). Happy to discuss our idea.

3 days ago 1 0 0 0
How to Use Migration Assistant Via Thunderbolt Between Two Apple Silicon Macs (YES IT’S POSSIBLE)

Depends on your setup. But you can connect the two macs with a usb-c cable on both ends, and it will be super quick! www.reddit.com/r/MacOS/comm... if it is too technical, an apple genius will do it for you at the store.

5 days ago 0 0 0 0

tex knows more about aesthetics than you do. It is placing it in the right place, and if it was conscious, it would be complaining that you want it in a random location.

5 days ago 1 0 0 0

Slightly underreported aspect of the Mythos stuff

1 week ago 64 8 3 0
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I wanted a way to explore Unicode by visual similarity, not just by name or codepoint, so I built Charcutrie.

It lets you browse characters that look alike, search across scripts and symbols, and even sketch a shape to find matching glyphs. (pretty badly for now :D)

charcuterie.elastiq.ch#U+221E

1 week ago 534 104 17 8
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2 weeks ago 1 0 0 0

Where did you take it from?

2 weeks ago 0 0 1 0
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US bans any new consumer-grade routers not made in America : Unfortunately, there aren't many options unless you're Starlink

Country that put backdoors into Cisco routers to spy on world bans foreign routers

3 weeks ago 704 266 36 20

My first IDE had LLMs support already?

4 weeks ago 0 0 0 0
Z3 Python in the Browser in 10 minutes by Alcides Fonseca

I needed z3 Python bindings in the browser for demos. Claude built it in 10 minutes of my time, and it's now available: wiki.alcidesfonseca.com/blog/z3-pyth...

4 weeks ago 2 1 0 1

We're running a user study, maybe you can help!

We're studying the effect of new ways to show code diffs to programmers, and looking for participants for a 1-1.5hr virtual user study. In the study you will be shown several diffs and asked questions about them.

1 month ago 20 21 1 1
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Piazza A deep tile laying game in a tiny box!

Played Piazza today boardgamegeek.com/boardgame/39... #bggplay via @boardgamegeek.com app

1 month ago 1 0 0 0
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The Castles of Burgundy: Special Edition Plan, trade, and build your Burgundian estate to prosperity and prominence.

Played The Castles of Burgundy: Special Edition on 2026-03-14 boardgamegeek.com/boardgame/36... #bggplay via @boardgamegeek.com app

1 month ago 0 0 0 0
Age-verification in Operating Systems and the Internet by Alcides Fonseca

New blog post: wiki.alcidesfonseca.com/blog/age-ver...

1 month ago 0 0 0 0
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Denmark responded to 1973 oil crisis by reducing car-dependency. Let's do that now. - Streetsblog Chicago "The government had to introduce car-free Sundays. And then people realized that the car-free Sunday was the best day of the week."

FYI the 1970s oil crisis was the impetus for Copenhagen turning into a cycling city

1 month ago 704 207 10 35
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Hatred, ignorance, fear, greed, and discrimination are viruses, magnified by suffering, carried in buckets, spilled onto the world.

We cannot eliminate them by actions that magnify hatred, ignorance, fear, greed, discrimination and suffering - only by actions that relieve them.

1 month ago 11200 2823 242 95
Jeff Geerling

www.jeffgeerling.com

1 month ago 1 0 1 0
The internet isn't closed as Facebook by Alcides Fonseca

Governments are killing the open internet. The internet is much more than Facebook and other silos.

wiki.alcidesfonseca.com/blog/the-int...

1 month ago 0 0 0 0
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The Castles of Burgundy: Special Edition Plan, trade, and build your Burgundian estate to prosperity and prominence.

Played The Castles of Burgundy: Special Edition on 2026-02-18 boardgamegeek.com/boardgame/36... #bggplay via @boardgamegeek.com app

2 months ago 0 0 0 0

I wasn’t talking about the output svgs, but rather the text itself talking about how important that benchmark is, compared with a snail piloting a plane, for instance.

2 months ago 1 0 0 0

How much of your blogpost is helping newer models train exactly to pass your own test? Same for humanevals and swebench. We need closed source and frequently updated benchmarks. ARC-AGI is the best platform for that imho.

2 months ago 0 0 1 0
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sounds like academia!

2 months ago 22 4 0 0
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Mandragora Mandragores, tritons, arachnids on sale! Grab them and score your spells!

Played Mandragora today boardgamegeek.com/boardgame/32... #bggplay via @boardgamegeek.com app

2 months ago 0 0 0 0
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San Marco Control Venice! You divide the cards, but another player chooses who gets which set.

Played San Marco today boardgamegeek.com/boardgame/1041 #bggplay via @boardgamegeek.com app

2 months ago 0 1 0 0
still from Microsoft: Productivity Future Vision (2016)

still from Microsoft: Productivity Future Vision (2016)

sorry babe, i didn't get the job. i was only at 53% tenure and 71% publications

2 months ago 13 2 0 1

It's the year of the Linux on the desktop, as an app.

3 months ago 3 0 0 0

Writing a new VM to run next week’s PL. Oh wait…

3 months ago 1 0 0 0
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Played AquaSphere today boardgamegeek.com/boardgame/15... #bggplay via @boardgamegeek.com app

3 months ago 0 0 0 0

Yes, before 2013 all my macbooks brought one

3 months ago 2 0 1 0
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SCOUT Poach your opponents' artists and outdo each other's circus shows.

Played SCOUT today boardgamegeek.com/boardgame/29... #bggplay via @boardgamegeek.com app

3 months ago 2 0 0 0
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