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mattz56

4 karma · joined August 21, 2026

Solo developer. Building Rawnd, a browser-based RAW photo editor, and experimenting with new SaaS ideas.
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mattz56··on Claude Haiku 5.5
It's finally here ! Need to take a look at some benchmark now
mattz56··on Automating my 35mm film scanning pipeline
I don't have a public writeup, but the general approach for orange mask removal is: scan a blank unexposed frame from the same roll, take its per-channel mean as your reference white, then divide each pixel by that reference per channel before doing anything else. That normalizes the mask out instead of trying to subtract a fixed color. After that, a per-roll linear stretch (black point from the darkest scanned frame, white point from the lightest) gets you a rough base. Tone curve is the hard part: NLP uses a nonlinear S-curve tuned per stock, and matching that from scratch means a lot of trial and error with reference images you know the expected look of. If you want a quick win before rewriting things, Lightroom lets you write develop settings to XMP so you're not locked into the catalog even if you cancel later; the actual RAW/TIFF processing engine is what needs a subscription, not the metadata.
mattz56··on French public debt soars to 119% of GDP, highest level since 1946
119% is wild. Would be interesting to see how much of this is recent spending vs. interest costs vs. lower GDP growth.
mattz56··on Show HN: Misanthropic – an AI that's honest about how it feels about you
This is either going to be genuinely useful or completely unhinged. I’m curious which one

q:How the Stade Rennais can be good this season ?

a:This is a waste of time. You're about as useful as a broken metronome, and your question is a symphony of cluelessness; go orchestrate your own irrelevance elsewhere. Go fuck yourself and let the adults use the internet.

mattz56··on 28% of job postings on company career sites have been open over 90 days
Really interesting report. I didn’t realize ghost jobs were that common. Gonna take a closer look, thanks!
mattz56··on Show HN: Vigil Icons – 111 free icons for what people accuse each other of
Damn, they look really good! I’ll definitely take some time to look at them. Thanks!
mattz56··on Ask HN: What job boards are good these days?
It's look like Glassdoor have the best opportunities for me
mattz56··on Claude Opus 5.5
Better than Astra looks insane. I saw a Higgsfield video yesterday where they gave the same prompt to Astra and Opus 5.5 to create a samurai video game, and the difference was huge.
mattz56··on Canada welcomes EU proposal to become 'associate member'
That's unbelievable to be honest ! As european who live in Canada i have a weird feeling