MurphyA/hacker-news huggingface dataset:
Show HN: TimeCalc – A Simple and Accurate Time Calculator for iPhone/iPad/Mac
by 8mobile | 2025-10-08 07:00:04+00:00
Hi HN,

TimeCalc is a small utility I’ve been maintaining for years. I originally built it to help pilots log and calculate flight hours without the hassle of spreadsheets or clunky online tools.

Over time, it evolved into a simple and accurate time calculator that lets you add, subtract, and compare hours, minutes, and seconds — or even calculate the exact difference between two dates.

This new version was completely rebuilt for iOS 26 and macOS, with: - A clean, native interface - iCloud sync across devices - No ads, no accounts, no third-party servers - Accurate operations on hours, minutes, seconds, and dates

It’s designed to do one thing well: make time math fast and reliable. Data stays in your iCloud account, and everything works offline.

I’d love feedback especially from anyone who’s built or used similar tools. Are there features or workflows you’d expect from a native time calculator that could make it better?

Thanks for checking it out. App Store link: https://apps.apple.com/us/app/time-calc-time-calculator/id12...
by troad | 2025-10-08 07:00:27+00:00
> This is all moot because greenfield projects rarely exist anymore outside of being an entrepreneur, and if you're selling something, you're probably using a shopify wrapper of some sort 99% of the time. If you're working on a greenfield project at a Fortune company, then you probably have a bunch of considerations and in-house frameworks you'll use as a jumping off point instead of running `rails new` at any point.

I have no idea how one manages to be a HN reader and come out with a proclamation like "there are no greenfield projects left".

Neither venerable monoliths nor Fortune 500 companies represent the mean website. You're looking at highly visible outliers and ignoring the forest for the few redwoods that poke above the rest.

The care that's put into ensuring `rails new` creates something sane and basically production ready is exemplary. It's the missing middle between Hello World and terse API autodocs that so many tools just lack. Whether one uses Rails or not, this is something to emulate, not glibly denigrate.
by afiori | 2025-10-08 07:00:41+00:00
To me it looks like there is an obvious solution: a package should be able to issue an update to change its name.

Something like

- maintainers of package com.foo.pkg want to transfer it to com.bar.pgk

- com.bar creates their own pgk clone and marks it as a successor to com.foo.pkg (with a specific version)

- com.foo.pkg pushes an update with that specific version marked as superseded by com.bar.pgk

- package managers warn users at update time that a change in namespace happened and ask for consent

This could be extended to multiple forks to let the user choose

I feel it would work fine
by catgirlinspace | 2025-10-08 07:00:49+00:00
I think the idea is your mail server is set to only accept emails to account names you’ve generated instead of being a catch all. So if one of the ones you generated is used for spam, you could just deactivate that one and move the service that email was associated with to a new generated email. and because there’s no catch all, an attacker can’t just sign up literallyanythingrandom@example.com with dozens or hundreds of different emails.
by looping__lui | 2025-10-08 07:01:19+00:00
Well, CBS News dedicated an entire episode on these “propaganda stories”…

https://m.youtube.com/watch?v=-bMzFDpfDwc

https://www.cbsnews.com/amp/news/policing-speech-online-germ...

Germany’s constitution (the Basic Law) does protect freedom of opinion and expression, but it explicitly allows restrictions via “general laws” to protect personal honor, youth, and human dignity.

Recent enforcement shows how this plays out: police raids have targeted individuals posting “hate speech” or “extremist” content online. What constitutes hate speech or extremist content is “conveniently” interpreted at times.
by simianwords | 2025-10-08 07:01:51+00:00
> Because they probably would have to pay a lot more to make this profitable at the levels current valuations and investments indicate.

I keep hearing this but this is very unlikely to be true. The cost of LLMs have gone down by more than 30 times in the past 1 year. How much more should it go down until you consider it economically feasible?
by close04 | 2025-10-08 07:02:04+00:00
Pointing out bias when debating an opinion hardly sounds ad-hominem, and in this case it looks more like OP's way to strengthen the veracity of the report while showing surprise rather than dismissal.

Is it still ad-hominem if you actually agree with Carl? Doesn't it make Carl's argument even stronger when you say "I'm always against Carl but this time he's right" which is the opposite of dismissing his idea, ad hominem or not?
by fruitplants | 2025-10-08 07:02:05+00:00
> We humans love to make patterns out of everything.

Not sure in which vein you meant: 1. Humans exhibit some behavioral patterns.

2. Cognitive bias where the brain thinks that there is a pattern when no such pattern exist.

I think you meant the second one. I used to think I am good at noticing patterns. But then I realized that this perception about myself clouded my vision of looking at a given problem or system because my brain tried to pattern match problems and solutions. While it worked in some cases, it did not in others. And just telling myself that while I think that there's a pattern here, there may or may not be a pattern helped- just being aware of cognitive bias.
by Evidlo | 2025-10-08 07:03:12+00:00
I use their "Advanced" billing mode which is usage-based and ended up cheaper than the fixed-price "Simple" mode. This was my bill for last month (received ~300 emails):

Total: $0.35 Storage (GB/month): 0.00 ($0.00) Emails sent to non-Purelymail accounts: 19 ($0.00) Emails sent: 19 ($0.00) Emails sent (GB): 0.00 ($0.00) Yearly account fee (days): 30 ($0.33) Shared-domain user fees: $0.02

They don't actually support wildcards, but there's a matching pattern "Any address starting with" for which I just entered "evidlo".

https://purelymail.com/docs/routing
by thom | 2025-10-08 07:03:52+00:00
One of the most delightful products I've ever owned. Almost perfect UX (to this day my wife and I refer to fast forwarding as 'bi-bipping' in reference to TiVo's sound effects), and there was a time when coming home to a random episode of Star Trek it had sought out was exciting and felt satisfyingly personal. Now everything is available on demand and all of the temporal problems that TiVo solved don't exist anymore, but it's rare to see a device so well designed in its niche.
by cinquemb | 2025-10-08 07:04:19+00:00
Very exciting.

Devoret was my co-authors phd advisor (and who is also my advisor now on some of my work).

We sorely need more open quantum systems built/designed with open source tooling. The IBM's, Ionq's, Quantinuum's and Googles, will be happy if we all remain serfs to their multimillion dollar machines and hardware direction.
by ako | 2025-10-08 07:04:26+00:00
But does anybody really care about what you like? What about all those other professions that got replaced by technology, did anybody care what they liked? The big question is how is software going to be build most efficiently and most effectively in the future and how do you prepare yourself for this new world. Otherwise you’ll end up with all those other professions that got replaced, like the mineworkers, hoping that the good old days will someday return.
by bob1029 | 2025-10-08 07:04:52+00:00
If you're genuinely already good at coding, use the LLM to go horizontal into other complementary verticals that were too expensive to enter prior. Do the same thing that the other professions would do unto yours.

As an example, I would have never considered learning to use blender for 3d modeling in a game before having access to an LLM. The ability to quickly iterate through plausible 3d workflows and different design patterns is a revelation. Now, I can get through some reasonably complex art pipelines with a surprising amount of confidence. UV mapping I would have never learned without being able to annoy one of OAI's GPUs for a few hours. The sensation of solving a light map baking artifact on a coplanar triangle based upon principles developed from an LLM conversation was one of the biggest wins I've had in a long time.

The speed with which you can build confidence in complementary skills is the real super power here. Clean integration of many complex things is what typically brings value. Obsession with mastery in just one area (e.g. code) seems like the ultimate anti-pattern when working with these tools. You can practically download how to fly a helicopter into your brain like it's the matrix now. You won't be the best pilot on earth, but it might be enough to get you to the next scene.

If it's any consolation, I do think the non-technical users have a bigger hill to climb than the coders in many areas. Art is hard, but it is also more accessible and robust to failure modes. A developer can put crappy art in a game and ship it to steam. An artist might struggle just to get the tooling or builds working in the first place. Even with LLM assistance there is a lot to swim through. Getting art from 5% to 80% is usually enough to ship. Large parts of the code need to be nearly 100% correct or nothing works.
by techpression | 2025-10-08 07:05:33+00:00
Because all numbers point towards it being incredibly far away from being profitable? We also pay for Google Workspace and at 10 euro a month we get Gemini Pro. So while we might pay for it, it’s more of a free addon, we would’ve paid 10 without it too.

You can also do a simple analysis on the Anthropic Max plan and how it successively gets more and more limited, they don’t have the OpenAI VC flow to burn so I believe it’s a indicator of what’s to come, and I could of course be wrong.
by teiferer | 2025-10-08 07:05:43+00:00
> It makes me want to move into something completely different like sales

I'm feeling the same. The moves I'm considering are

1. Landscaping 2. Carpentry 3. Small scale agriculture

(All made easier by a cushion of investments that are most of the way to passive income, so the new thing doesn't really have to make me that much money.)
by fxtentacle | 2025-10-08 07:07:02+00:00
In-house will probably be cheaper.

As a mid-sized company, you care about IP protection. That means the price for China will need to include bilingual lawyers. Otherwise you might end up in the super awkward position that your mold gets copyrighted by the manufacturer inside China. That would then allow your contract manufacturer to prohibit other injection shops inside China from working with you.
by SirSavary | 2025-10-08 07:07:22+00:00
Yes. Members of the National Guard have been deployed, and government officials have publicly stated their intent to deploy additional forces.

From the Wikipedia page on the US National Guard [1]:

> The National Guard is a state-based military force that becomes part of the U.S. military's reserve components of the U.S. Army and the U.S. Air Force when activated for federal missions.

The National Guard constitutes military troops under federal activation.

[1] https://en.wikipedia.org/wiki/National_Guard_(United_States)
by avighnay | 2025-10-08 07:10:06+00:00
The models are mostly I believe capable of executing however as you rightly indicated 'lazy'. This 'laziness' I think is to conserve resource usage as much as possible as given the current state of AI market the infrastructure is being heavily subsidized for the user. This leads to perhaps the model being incentivized to produce an optimum result that satisfies the user by consuming the least amount of resources.

This is also why most 'vibe' coding projects fail as the model is always going to give this optimum ('lazy') result by default.

I have fun goading Gemini to break this ceiling when I work on my AI project - https://github.com/gingerhome/gingee
by dragonwriter | 2025-10-08 07:10:18+00:00
> While I agree with you (quite firmly: it’s a great starting point to put on the table to challenge orthodoxy in this space), and think you’re agreeing with the parent comment, it is a fundamental tenet of mainstream economics and the political arguments of neoliberal (aka current mainstream) policy that [price == (market averaged) value], or at the very least [price ~= value].

For mainstream economics, this is true in a very specific technical sense; all averages lose information, and the "market average" is a very particular form of average that doesn't behave the way most people think of an average behaving—particularly, it is not like a mean, the normal "average" that people think of, that is sensitive to changes in any individual values, it is somewhat like a median in that it is insensitive to changes in existing values that do not cross the "average"; e.g., if you take an existing market for a commodity with a given clearing price, and reduce, by any amount, the value of the commodity to any proper subset of sellers who would sell at the current market clearing price, the market clearing price does not change. The assessment of value across the market has decreased, but the output of the particular averaging function performed by the market has not.
by B-Con | 2025-10-08 07:10:20+00:00
GDP is a known silly metric, but it's easy to define and measure, so we keep using it.

I'm often reminded of the quote: "A man marries his housekeeper and that country’s GDP falls".

GDP is uncomfortably linked to granularity of measurement as well as the number of times money changes hands to accomplish a task. Split a pipeline over more businesses boundaries and suddenly GDP is "bigger" despite no change in value or utility.
by Tepix | 2025-10-08 07:10:54+00:00
Why does it mention USB 3.2 (i.e. 20 Gbps) at all if it's for Macs? I thought Macs only support 10 Gbps and 40 Gbps, but nothing inbetween?

(which is inconvenient because USB 3.2 Gen 2x2 20 Gbps external SSD cases are much cheaper than USB 4 cases for now).

Also, he is calling a binary a script, which i find suspicious. This task looks like it should have been a script.
by simianwords | 2025-10-08 07:11:26+00:00
It’s not profitable because of massive reinvestments to r and d.

If you want to question to on the fundamental economics of LLm themselves then how efficient should LLMs get till you decide that it’s cheap enough to be economically viable? 2 times more efficient? 10 times? It has already gotten more than 30 times over last 2 years.
by toast0 | 2025-10-08 07:11:28+00:00
I did support for a tiny ISP in 1999 [1], we had to have people remove and reinstall that from time to time. Many people could just do it, but I remember one customer I spent maybe two hours on the phone walking her through it. Would put her on hold when another call came in, and then check back with her. Eventually got it all settled.

[1] we had one T1 for internet and one T1 PRI for the modem pool, and outsourced to MegaPath for out of area dialup, and then shunted all the customers to that when the PRI stopped working
by lloeki | 2025-10-08 07:11:40+00:00
Can confirm, was victim of this.

Couldn't figure out why my 5-disk USB enclosure was so ungodly slow. Quickly I saw that it was capping suspiciously close to some ~40MB/s constant, so 480Mbps.

lsusb -v confirmed. As it happened I did some maintenance and had to unplug the whole bay.

Since the port was nearly tucked against a wall I had to find the port by touch and insert somewhat slowly in steps (brush finger/cable tip to find port, insert tip at an angle, set straight, push in) but once in place it was easy to unplug and insert fast...

This was driving me "vanilla ice cream breaks car" nuts...
by Terr_ | 2025-10-08 07:11:44+00:00
"I could casually acknowledge I didn't catch an oblique joke about a new way of viewing the natural world which I previously took for granted... but it's too late! To admit an oopsie would be anathema to my identity and social survival. In this desperate hour, I have no choice but to argue that it is categorically wrong to view cellular biology a form of nanotech or vice-versa, using the narrowest and most pedantic dictionary entries."
by re-thc | 2025-10-08 07:12:02+00:00
> GPUs aren't built in the US, though. I wonder, what percentage of all the stuff in a typical datacenter is actually made in the US

Does that matter? So many things these days aren't physically made in the US. So US companies don't get the profits and aren't needed?

The actual "made in" part is a small fraction of the total earnings. See how much an iPhone costs to make vs how much it gets sold for.
by csoups14 | 2025-10-08 07:12:42+00:00
You don't think it's a bigger assumption that plowing hundreds of billions of dollars into a novel and often misunderstood technology is going to net out positive? We're not talking "people like feeds of cat photos" money and risk here, we're talking about a bubble with the potential to tank the entire economy. On top of that, it's also a higher disruptive technology that should it ramp as quickly as it might will lead to massive amounts of societal strife at a time where we're already stretched a little thin to say the least. "What do you mean Credit Default Swaps don't work? They've been functioning perfectly well these past few years and so far the impacts have only been positive. Tons of people are getting mortgages on houses they weren't in the past, it's the American dream!"
by jart | 2025-10-08 07:14:41+00:00
Whenever the ruling class is threatened, the first thing they do is force their own people to give up their gold.

- In 217 BC, to survive the Second Punic War after Cannae, Rome passed the Lex Oppia requiring citizens to surrender gold and jewelry to the state treasury.

- In 1307, to survive debts from the Flemish War, Philip IV of France arrested the Knights Templar and seized their treasury, disrupting credit networks used by merchants and pilgrims.

- In 1536, to survive the Great Matter (his divorce) and break with Rome, Henry VIII dissolved the monasteries in order to melt down their gold and silver chalices, crosses, and shrines.

- In 1666, to survive the Second Anglo-Dutch War costs, Charles II "borrowed" gold deposits from London goldsmiths through the Stop of the Exchequer and never returned them.

- In 1797, to survive the French Revolutionary Wars, Pitt the Younger demanded "voluntary" Loyalty Loan gold contributions from British citizens, backed by threat of forced requisition.

- In 1917, to survive WWI and the October Revolution, Lenin's Decree on Gold confiscated all gold coins, bullion, and objects from "non-working classes."

- In 1933, to survive the Great Depression banking crisis, FDR signed Executive Order 6102 requiring all Americans to give up their gold.

- In 1934, to survive monetary reform, the Gold Reserve Act let the US Treasury profit $2.8 billion by revaluing confiscated gold from $20.67 to $35/oz (basically stealing 41% of the value)

- In 1959, to survive the US trade embargo, Castro's Revolutionary Government Law 851 seized all private gold holdings in Cuba, including jewelry and coins.

- In 1966, to survive foreign exchange crisis, India's Gold Control Act under Indira Gandhi banned private gold ownership above tiny amounts, forcing surrender to the state.

It's a wonder of our modern age that this classic form of expropriation is now happening through voluntary means: high paper prices drawing physical gold from millions of small holders into the vaults of institutions, without any guns, goons, or executive orders required.
by alex1138 | 2025-10-08 07:14:53+00:00
A fundamental problem with Metaverse is that their parent companies (Facebook, Insta, and as far as Whatsapp it's a clear antitrust case) don't work

People don't see posts from friends. The site spams you to death. They hijacked your email address, and replaced it with a facebook.com address. They've lied rather a lot about things generally

And that company is now the one presenting a Metaverse/VR/AR/whatever

It should be DOA just based on reputation, never mind the technical merits
by ehnto | 2025-10-08 07:15:00+00:00
We would also need to know how many people are willing to pay for it, on a consumer level. Additionally business will need to see real ROI for using it.

At the moment everyone is trying their best to implement it, but it remains to be clear if it actually increases a company's profitability. Time will tell, and I think there are a lot of things obfuscating the reality right now that the market will eventually make clear.

Additionally the economics of training new models may not work out, another detail that's currently obfuscated by venture capital footing the bill.
by mg | 2025-10-08 07:15:05+00:00
That definition would mean that smarter investors, who can think faster and further ahead, get information faster. And therefore have information now that others do not.

That seems to be directly the opposite of the common definition of the EMH, which emphasizes how the market reacts to new information. And not how it produces information. For example in TFA:

"the market rapidly responds to new information"

Wikipedia starts the "Theoretical background" with an example on how information becomes widely available to all investors, not how one fast smart thinker generates it:

Suppose that a piece of information about the value of a stock (say, about a future merger) is widely available to investors.

https://en.wikipedia.org/wiki/Efficient-market_hypothesis
by JetSetWilly | 2025-10-08 07:15:19+00:00
Sounds a bit like the Adaptive Markets Hypothesis. In it there’s constant “evolution” between different trading strategies that become more or less efficient over time.

So here, Phase 1 would be a market dominated by EMH believers who passively invest. In phase 2, speculative “noisy” traders start to exploit this landscape to profit. In phase 3 there’s a crisis or period of high volatility. The old complacent EMH strategies suffer losses and become extinct. Then no doubt in phase 4 the market moves to some new equilibrium with new strategies dominant!

So in this AMH theory what you describe is a natural process of evolution.