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Boris Cherny on Trying to Get Claude Code to Rewrite the Claude App

https://daringfireball.net/linked/2026/08/02/cherny-claude-swift
22•robenkleene•2h ago

Comments

joeyguerra•1h ago
better is in the eye of the beholder?
bravetraveler•53m ago
Should we give Claude another two weeks to see the results (cost/loss/gain)... or just take whatever face value, now?

Next time, on Dragon Ball Z!

curious_cat_163•50m ago
Boris is right about:

> The verification is probably the single most important thing that people do not get right, largely.

and so, so, so wrong about giving this prompt (for verification) and expecting that it succeeds at building a "good" app:

> I want you to run the Electron app in the Mac virtual machine, screenshot it, and then look pixel by pixel. Compare it to the Swift version. Don’t stop until you’re done.

Given he has let it rip for two weeks, I am assuming they have been post-training Claude for some version of this to be more _likely_ successful than not. However, IMO, the verification that you get from a visual comparison is shallow.

To state the obvious: there is a lot more than what meets the eye. But, I think, one could prompt a Fable/Opus 5 to actually go verify that "lot more"...

The question is: should one be imperative in asking for a specific types of verification (like a rubric) vs hoping that the Google/Anthropic/Open AI/Moonshot's post-training will take care of it.

I think, as things stand today, even with the best-in-class models today, I would be leaning more imperative. And it is not because I am an expert in SwiftUI or such. It is because I want to be able to say that _I_ (i.e. the human) verified that this thing works.

andromaton•34m ago
Pixel accurate is easy to say, hard to do, over-specific, and counterproductive.
calufa•27m ago
Better technology cannot compensate for poor product design. Two weeks' worth of tokens sounds like tens of thousands of dollars by the time it is done. Wouldn't it be better to hire someone who knows what they are doing, get it right, and teach the other engineers why and how? Tech dept and product dept creeping in on every LLM loop, compounding.

CP/M-386 – CP/M for 386 protected mode, derived from CP/M‑68K

https://github.com/johnsonjh/cpm386
30•TMWNN•1h ago•6 comments

Why Book Corners won't sync contributions back to OpenStreetMap

https://www.andreagrandi.it/posts/why-book-corners-wont-sync-contributions-back-to-openstreetmap/
46•pizzaiolo•2h ago•25 comments

Karpathy’s Pelican

https://twitter.com/karpathy/status/2083749667410727319
451•delichon•22h ago•349 comments

Show HN: Isopolis – isometric pixel map of SF

https://sf.isopolis.city/
36•nuwandavek•1h ago•11 comments

RFC 9851: TLS 1.2 is in Feature Freeze

https://www.rfc-editor.org/rfc/rfc9851.html
13•Jimmc414•1h ago•3 comments

Show HN: ssh ssh.place

https://ssh.place
29•jeninh•2h ago•13 comments

Autoregressive Language Model on the 6502 Processor

https://mattbeton.com/blog/bitnet-6502.html
63•nmstoker•2d ago•6 comments

Qwen 3.8 Max Live Now

https://www.qwencloud.com/models/qwen3.8-max
5•zkmon•16m ago•0 comments

Show HN: Kakehashi – Experimental userspace to run macOS binaries on Linux ARM

https://github.com/wie-project/kakehashi
186•vlad_kalinkin•10h ago•39 comments

Note-Taking and Personal Knowledge Management

https://unattributed.cc/note-taking-and-personal-knowledge-management
139•surprisetalk•5d ago•39 comments

Developers are attached to tools because tools encode trust

https://stackoverflow.blog/2026/07/29/developers-are-attached-to-tools-because-tools-encode-trust/
161•HieronymusBosch•4d ago•83 comments

Read the Novels and Forget Everything Else

https://hedgehogreview.com/web-features/thr/posts/read-the-novels-and-forget-everything-else
60•samclemens•2d ago•28 comments

The Computational Theory of Mind (2015)

https://plato.stanford.edu/entries/computational-mind/
33•cyanregiment•3h ago•11 comments

Show HN: Mu – Tools for Agents

https://github.com/micro/mu
35•asim•4h ago•9 comments

Show HN: Make your Framework 12 sound like a creaky door

https://github.com/ArcaEge/creakwork12
56•arcaege•6h ago•7 comments

Show HN: NixOS-DGX-Spark – Nix and NixOS on the DGX Spark

https://github.com/graham33/nixos-dgx-spark
99•graham33•9h ago•29 comments

TinyNES Review – A Super Niche NES Console

https://blog.lon.tv/2023/02/05/tinynes-review-a-super-niche-nes-console/
35•throwoutway•6h ago•5 comments

F*: A general-purpose proof-oriented programming language

https://fstar-lang.org/
159•ducktective•14h ago•68 comments

Twenty Years of RISC OS Open

https://www.riscosopen.org/news/articles/2026/06/20/twenty-years-of-risc-os-open
152•AlexeyBrin•13h ago•29 comments

Californians' data deletion requests, DROP, become enforceable Aug. 1

https://www.nbcsandiego.com/nbc-7-responds-2/californians-data-deletion-requests-drop-become-enfo...
94•MilnerRoute•4h ago•38 comments

A tool for finding the causes of unstable Python tests

https://github.com/mgaitan/pytest-leak-finder
14•pomponchik•3d ago•0 comments

My personal AI benchmark: "Generate an SVG of a frog with a Habsburg jaw."

https://frogs.vaguespac.es/
111•thebigship•6h ago•51 comments

When transit passes were designed by hand (2022)

https://letterformarchive.org/news/milwaukee-transit-passes/
109•nate•2d ago•28 comments

Playing with Georgia

https://mighil.com/playing-with-georgia
11•surprisetalk•4d ago•6 comments

Sharing an X11 Server Across Hosts with FamilyWild

https://dobrowolski.dev/article/sharing-an-x-server-across-hosts-with-familywild/
36•shirozuki•6h ago•10 comments

A Playable History of Sudoku

https://doku.su/history-of-sudoku
6•bouiboui•4d ago•1 comments

'Crush this lady': how eBay harassment campaign led to $56M payout

https://www.ft.com/content/06ec1b03-d4af-40cf-b12a-4ba5a410f6d2
194•JumpCrisscross•7h ago•93 comments

Rooting, firmware analysis and persistent credentials of TP-Link TL-841N

https://blog.juni-mp4.com/posts/42/rooting-the-tplink-tl841n-pt1/
85•mindracer•10h ago•15 comments

Folding Paper Globes

https://foldingglobes.com/globes
151•dango2506•4d ago•30 comments

Fasttracker II clone in C using SDL 2

https://16-bits.org/ft2.php
117•andsoitis•4d ago•46 comments