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PNG is back

https://www.programmax.net/articles/png-is-back/
307•tbillington•4h ago•113 comments

Reading NFC Passport Chips in Linux

https://shkspr.mobi/blog/2025/06/reading-nfc-passport-chips-in-linux/
26•robin_reala•1h ago•0 comments

Microsoft Releases Classic MS-DOS Editor for Linux Written in Rust

https://github.com/microsoft/edit
214•ethanpil•8h ago•100 comments

Fun with uv and PEP 723

https://www.cottongeeks.com/articles/2025-06-24-fun-with-uv-and-pep-723
438•deepakjois•13h ago•147 comments

Thnickels

https://thick-coins.net/?_bhlid=8a5736885893b7837e681aa73f890b9805a4673e
157•jxmorris12•8h ago•35 comments

Writing toy software is a joy

https://blog.jsbarretto.com/post/software-is-joy
625•bundie•17h ago•249 comments

The Probability of a Hash Collision

https://kevingal.com/blog/collisions.html
43•subset•3d ago•8 comments

Build your first iOS app on Linux / Windows

https://xtool.sh/tutorials/xtool/first-app/
117•todsacerdoti•7h ago•28 comments

AI more likely to create 'yes-men on servers' than any scientific breakthroughs

https://fortune.com/2025/06/20/hugging-face-thomas-wolf-ai-yes-men-on-servers-no-scientific-breakthroughs/
55•Bluestein•1h ago•37 comments

ChatGPT's enterprise success against Copilot fuels OpenAI/Microsoft rivalry

https://www.bloomberg.com/news/articles/2025-06-24/chatgpt-vs-copilot-inside-the-openai-and-microsoft-rivalry
220•mastermaq•16h ago•202 comments

Thoughts on Asunción, Paraguay

https://cpsi.media/p/thoughts-on-asuncion-paraguay
20•Michelangelo11•2d ago•0 comments

PlasticList – Plastic Levels in Foods

https://www.plasticlist.org/
367•homebrewer•18h ago•153 comments

Managing time when time doesn't exist

https://multiverseemployeehandbook.com/blog/temporal-resources-managing-time-when-time-doesnt-exist/
85•TMEHpodcast•8h ago•44 comments

Finding a 27-year-old easter egg in the Power Mac G3 ROM

https://www.downtowndougbrown.com/2025/06/finding-a-27-year-old-easter-egg-in-the-power-mac-g3-rom/
345•zdw•19h ago•102 comments

Ancient X11 scaling technology

https://flak.tedunangst.com/post/forbidden-secrets-of-ancient-X11-scaling-technology-revealed
228•todsacerdoti•13h ago•172 comments

XBOW, an autonomous penetration tester, has reached the top spot on HackerOne

https://xbow.com/blog/top-1-how-xbow-did-it/
216•summarity•16h ago•96 comments

Assembly Theory of Time

https://faculty.ucr.edu/~legneref/Assembly%20Theory.htm
11•andsoitis•2h ago•1 comments

Subsecond: A runtime hotpatching engine for Rust hot-reloading

https://docs.rs/subsecond/0.7.0-alpha.1/subsecond/index.html
141•varbhat•13h ago•25 comments

How to Think About Time in Programming

https://shanrauf.com/archive/how-to-think-about-time-in-programming
129•rmason•12h ago•48 comments

Canal Boat Simulator

https://jacobfilipp.com/boat/
66•surprisetalk•2d ago•18 comments

Playing First Contact in Eclipse, a 3-Day Sci-Fi Larp

https://mssv.net/2025/06/15/playing-first-contact-in-eclipse-a-spectacular-3-day-sci-fi-larp/
31•adrianhon•2d ago•1 comments

MCP is eating the world

https://www.stainless.com/blog/mcp-is-eating-the-world--and-its-here-to-stay
242•emschwartz•3d ago•150 comments

Starship: The minimal, fast, and customizable prompt for any shell

https://starship.rs/
419•benoitg•21h ago•188 comments

PicoEMP – A low-cost Electromagnetic Fault Injection (EMFI) tool

https://github.com/newaetech/chipshouter-picoemp
26•transpute•5h ago•10 comments

The bitter lesson is coming for tokenization

https://lucalp.dev/bitter-lesson-tokenization-and-blt/
255•todsacerdoti•18h ago•110 comments

Few Americans pay for news when they encounter paywalls

https://www.pewresearch.org/short-reads/2025/06/24/few-americans-pay-for-news-when-they-encounter-paywalls/
59•mooreds•5h ago•92 comments

Basic Facts about GPUs

https://damek.github.io/random/basic-facts-about-gpus/
281•ibobev•20h ago•61 comments

Gemini Robotics On-Device brings AI to local robotic devices

https://deepmind.google/discover/blog/gemini-robotics-on-device-brings-ai-to-local-robotic-devices/
186•meetpateltech•18h ago•80 comments

Japan Adventures: A Designer's Perspective

https://www.tombihn.com/blogs/main/tokyo-adventures-a-designers-perspective
8•wallflower•2d ago•1 comments

Ask HN: What useful AI tools do you use every day?

25•rajkumarsekar•3h ago•31 comments
Open in hackernews

Build your first iOS app on Linux / Windows

https://xtool.sh/tutorials/xtool/first-app/
117•todsacerdoti•7h ago

Comments

sherdil2022•5h ago
Looks promising. But I am getting the following error when I run 'xtool dev':

> status: "409", code: "ENTITY_ERROR", title: "There is a problem with the request entity", detail: "You already have a current Development certificate or a pending certificate request."

I have even manually copied the development certificate and installed on the iPhone - but keep getting the same error when I do 'xtool dev'

I have searched but none of the solutions worked so far. Will keep trying.

Did anyone get this error and get past it? Please let me know how you got past this error.

TheDong•4h ago
You have to accept Apple's licensing agreement as part of downloading XCode to run this tool (which relies on XCode's SDKs etc).

Quoting from the license agreement:

> You may not use the Apple Software, Apple Certificates, or any Services provided hereunder for any purpose not expressly permitted by this Agreement, including any applicable Attachments and Schedules. You agree not to install, use or run the Apple SDKs on any non-Apple-branded computer, and not to install, use or run iOS, iPadOS, macOS, tvOS, visionOS, watchOS, and Provisioning Profiles on or in connection with devices other than Apple-branded products, or to enable others to do so.

Both xtool itself, and anyone who uses it, is violating this license agreement, and apple has shown itself in the past to be a real ass about this sort of thing.

I think this can fly under the radar as long as no one uses it, but as soon as people actually start using this tool in any significant amount, I wouldn't be surprised if apple comes for it.

sockbot•3h ago
So running on Asahi is ok?
paxcoder•3h ago
Touched upon here: https://forums.swift.org/t/xtool-cross-platform-xcode-replac...

We need to get EU on this case.

CharlesW•3h ago
> Both xtool itself, and anyone who uses it, is violating this license agreement, and apple has shown itself in the past to be a real ass about this sort of thing.

Only with people dumb enough to build businesses on the back of Apple's IP (see: Corellium). Hobbyist/enthusiast use of Apple technologies (see: the Hackintosh community) has a long history of being tolerated.

scripturial•3h ago
I’m curious, would Apple know if you are building on Linux on a Mac, or building on Linux on PC?
gman83•2h ago
These terms and services would also seem to make it a violation to run CI/CD services that enable Windows & Linux users to build React Native or Flutter apps for IOS?
wouldbecouldbe•1h ago
You need a macOS Server or computer to build via CI/CD
m463•2h ago
from what I have always understood...

running under windows/linux booted on apple hardware is fine.

running in a vm/container on apple hardware is fine.

I suspect apple's new container support (like docker supported by apple) is going to make this sort of thing common.

iJohnDoe•4h ago
Can someone explain what this?
yellow_lead•3h ago
A tutorial showing how to use xtool to develop for iOS on Linux/Windows. Normally, it's limited to Mac OS only.
scripturial•2h ago
It allows automated builds of an Xcode project on a CI machine, VPS, or docker instance.
malloc-0x90•3h ago
Never built on Apple, last time I tried:

it asked me to update Xcode;

Xcode asked me to update the OS first;

and the OS asked me to buy a new 1300$€ MacBook hardware (with similar specs, the one I was using wasn't even that old/slow).

So to quote Rick and Morty i though: "That's just subscription with extra steps!" - and made a windows program and an Android app.

zombot•2h ago
Exactly. Apparently Apple still finds enough idiots who perform that dance, but they've lost me. I can only hope others will follow and xtool looks like it can help.
lynx97•2h ago
Do you call anyone who isn't of your opinion an idiot?
can16358p•1h ago
Don't worry, those "idiots" are doing perfectly fine with great salaries and a nice developer experience who apparently figured out using archaic hardware for developing newer devices is practically pointless even if there were software support.
touwer•11m ago
I wouldn't call XCode a nice developer experience. Hell comes closer
razemio•56m ago
I daily every os for 2-3 years and then switch. There are lots of benefits to OSX. Stability, perfect Standby and battery runtime to name a few. This would not be possible if they would support older Hardware. As long as windows and linux is unable to archive similar metrics, they prove apples point about this topic. Just look how fast everybody transitions to M Processors including the software developers. There is no point to stay on old hardware with apple.
jamil7•20m ago
Most of us get compensated to do it and the hardware either paid for or tax deductible. Whatever positions you take as a developer, there is strong end-user demand for software on iOS and to a certain extent macOS so there will continue to be people who'll do that dance.
realusername•2h ago
I hope you also have a good internet connection because even in 2025, MacOS is incapable of resuming downloads.
razemio•49m ago
What are you talking about?
sunshinerag•9m ago
That is not MacOS you are using?
sunshinerag•10m ago
Yes, I gave up on Apple too after my Intel Celeron box could not be used
zombot•3h ago
More info about xtool:

https://xtool.sh/documentation/xtool/

This looks damn cool.

lynx97•2h ago
Please turn on JavaScript in your browser and refresh the page to view its content.
Abishek_Muthian•1h ago
I was one of the early mobile app developers and after nearly a decade of wrangling with the tools & environment of the duopoly I got fed up and quit mobile app development.

Recently I picked up Flutter and I really liked it. Apart from the declarative programming, not having to touch Android Studio and Xcode for building the app in Linux was the main contributor for the pleasant experience.

I plan to release the app soon so I’ve already paid the Apple Tax for dev license and hardware but I still dread having to use Xcode; hopefully tools like xtool will help in that regard.

sureglymop•1h ago
Can I sideload the app to test/debug it on device without having to log into any online account?

Can I sign the app bundle with my own debug keys?

If no, it's still not interesting to me.

zoobab•8m ago
I use the language of my choice, not those programming languages imposed on us by the GAFAMs.