Jev-Leftpad gains traction on Hacker News
1 Sep 21 4:39 AM · 3d ago · 2 articles · 3 posts · 3 sources · development 1 of 1
The project rose to Hacker News frontpage with 225 points and 82 comments within hours of release, attracting developer interest despite the author's warnings about inefficiency and cost.
“Could this be one line with padStart() ? Yes. Does it need a model call? No. Anyway:”
fka, jev-leftpad developer · hn ↗fka jev-leftpad developer
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What was reported 1 claim about this development
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2 outlets Jev-Leftpad
first by HN Best, 3d ago · also HN Frontpage
What people said 10 voices · best of 12 · verbatim
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> its confidence scoresimportant to note that the "confidence" score is... maybe not what people think it is - kind of useless, and just a convenience step from the probabilities.from the docs: "confidence is a statistic computed from the probability distribution the answer already gives you." [0] I actually encourage people to visit the docs…
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Jev-Leftpad L: https:// github.com/f/jev-leftpad C: https:// news.ycombinator.com/item?id=4 9784706 posted on 2026.09.21 at 04:39:32 (c=0, p=3)
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I have to be honest. While this is obviously a smart and useful idea, it misses one of the core features of Jev: its confidence scores. Partial confidence could easily be mapped to fractional spaces, using unicode characters like U+2009: THIN SPACE. As it stands, this package is not harnessing the full power of Jev.
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Jev-Leftpad: https:// github.com/f/jev-leftpad Discussion: http:// news.ycombinator.com/item?id=4 9784706
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> This means the package can add between 0 and 10 spaces. If more than 10 spaces are needed, Jev has no correct option. Which feels appropriate for this project.I'll raise a PR which uses Jev to check if the target length is beyond this range
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This is funny, because I just implemented the same feature, but mine is calling OpenAI’s Astra on High (very capable for this kind of feature).It works great, but maybe your implementation could save me some money. I’ll test it and report back.
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Instead of using Choice with criteria "space_0", "space_1"..., it could be even more elegant to use criteria names like "", " "... which could be directly inserted into response.
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This comes just in time. My app has been using Amazon Mechanical Turk for left-pad queries, and that service is shutting down in less than two weeks.
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Man we're going full 2015 ML, telling normies that confidence scores mean NOTHING to alleviate false negatives/positives.
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This needs an SBOM and a SonarQube Qualitygate pass to be considered production grade code
All 1 developments of Developer releases Jev-Leftpad, an API-based string padding… →
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