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Unity's Mono problem: Why your C# code runs slower than it should

https://marekfiser.com/blog/mono-vs-dot-net-in-unity/
1•iliketrains•1m ago•0 comments

Arch Linux package stats fun statistics

https://pkgstats.archlinux.de/fun
1•zdw•2m ago•0 comments

I tested every Japanese app in last 2 years so you don't have to, these are best

https://old.reddit.com/r/LearnJapanese/comments/1phbsk4/i_tested_every_japanese_app_that_came_out...
1•wahnfrieden•2m ago•0 comments

Reading an OLED display directly into an agent via MCP

https://mastodon.social/@rcarmo/115799340761326831
1•rcarmo•5m ago•0 comments

Soft robots harvest ambient heat for self-sustained motion

https://techxplore.com/news/2025-11-soft-robots-harvest-ambient-sustained.html
1•PaulHoule•9m ago•0 comments

Tips for making the Chrome Performance Panel less overwhelming

https://calendar.perfplanet.com/2025/tips-for-making-the-performance-panel-less-overwhelming/
1•zdw•11m ago•0 comments

I built a neon-style weekly planner for iOS because I hate clutter

https://apps.apple.com/ie/app/weeklii/id6756281596
1•qaengineerfp•12m ago•1 comments

Show HN: Handoff – Claude Code plugin to let any AI continue where you left off

https://github.com/willseltzer/claude-handoff
1•pgspaintbrush•12m ago•0 comments

The Rainforests Being Cleared to Build Your R.V

https://www.nytimes.com/2025/08/19/world/asia/indonesia-borneo-deforestation-rv.html
1•JumpCrisscross•12m ago•0 comments

Software engineers should be a little bit cynical

https://www.seangoedecke.com/a-little-bit-cynical/
5•zdw•13m ago•0 comments

What Helps Kafka Scale

https://shbhmrzd.github.io/2025/11/21/what-helps-kafka-scale.html
1•01-_-•14m ago•0 comments

Pop icon Kate Bush's £10.8M windfall from Stranger Things hit song

https://www.dailymail.co.uk/tvshowbiz/article-15416747/TALK-TOWN-Running-bank-pop-icon-Kate-Bushs...
2•canucker2016•15m ago•0 comments

Determining Current Arm Cortex-M Security State with GDB

https://danielmangum.com/posts/arm-cortex-m-security-state-gdb/
1•hasheddan•17m ago•0 comments

Fake AI videos of snowy Amsterdam leave tourists disappointed, anger tour guides

https://nltimes.nl/2025/12/23/fake-ai-videos-snowy-amsterdam-leave-tourists-disappointed-anger-to...
1•belter•18m ago•0 comments

AI's trillion-dollar opportunity: Context graphs

https://twitter.com/JayaGup10/status/2003525933534179480
1•asasidh•19m ago•2 comments

Why 451 Is Good for You – Greylisting Perspectives from the Early Noughties

https://bsdly.blogspot.com/2025/12/why-451-is-good-for-you-greylisting.html
1•zdw•20m ago•0 comments

Memelang: Terse SQL uses "axial grammar" for LLM generation

https://arxiv.org/abs/2512.17967
1•bri-holt•21m ago•0 comments

The Prison of Financial Mediocrity

https://twitter.com/systematicls/status/2004900241745883205
3•zuhayeer•25m ago•0 comments

Show HN: FOSS multi Claude-code operator

https://www.youtube.com/watch?v=qs4DuCO0T-Y
1•harlequinetcie•25m ago•0 comments

Aircraft sometimes rhyme with previous design

https://www.gravityloss.com/2025/12/how-aircraft-sometimes-rhyme-with-previous-design/
1•Gravityloss•28m ago•0 comments

Apex Programming Language – Fancy syntax, easy and fast

https://github.com/TheRemyyy/apex-compiler
1•TheRemyyy•28m ago•3 comments

Ask HN: What are you building as a side-project or side-hustle in 2026?

1•bayeslaw•29m ago•0 comments

React Server Components exploit in RscExplorer (CVE-2025-55182)

https://rscexplorer.dev/?s=cve
1•howToTestFE•29m ago•0 comments

A Police Drone Might Be Behind Your Next Ticket

https://www.wsj.com/us-news/law/a-police-drone-might-be-behind-your-next-ticket-c25ddf62
1•JumpCrisscross•30m ago•0 comments

Many countries is marked with starting in 2025 – Risk of delays?

https://starlink.com/map
1•punnerud•32m ago•0 comments

Open and remotely accessible Neuroplatform for research in wetware computing

https://www.frontiersin.org/journals/artificial-intelligence/articles/10.3389/frai.2024.1376042/full
1•QueensGambit•34m ago•0 comments

First steps toward advanced screening and biological computing

https://www.cell.com/neuron/fulltext/S0896-6273(22)01033-9
1•QueensGambit•35m ago•0 comments

Medical Breakthroughs in 2025

https://www.scientificdiscovery.dev/p/medical-breakthroughs-in-2025
1•neves•35m ago•1 comments

Show HN: Chatddit.com posting text for the people of the Internet

https://chatddit.com
1•gitprolinux•37m ago•0 comments

We Built a Social Feed for AI Creators

https://medium.com/budgetpixel-ai/we-built-a-social-feed-for-ai-creators-and-its-live-9ff5db7caea3
1•ironking•37m ago•0 comments
Open in hackernews

No it's not a Battleship

https://www.navalgazing.net/No-its-not
60•hermitcrab•2h ago

Comments

nuancebydefault•1h ago
So the trump admin is going something like a battleship. I would be surprised if they would be capable of doing that.

From what I have read and heard, they are much better at destroying existing functional structures than building functional things.

jasonwatkinspdx•1h ago
I mean the whole proposal is nothing more than some of Trump's staffers coming up with an image and a bullet list and him liking it.

The Navy is gonna slow role this thing till he's out of office then reform the plan. Which is insanely annoying to me as a tax payer as we've basically had 25 years of the Navy's procurement being an absolute disaster, and now we're gonna lost another 4+ years over Trump's idiotic showboating.

hermitcrab•1h ago
I guess some defense contract paid to sit next to him at dinner. KA-CHING!
uhoh-itsmaciek•1h ago
This is reminiscent of the Homer: https://simpsons.fandom.com/wiki/The_Homer
nickff•56m ago
“The Homer” is best compared to the M2 Bradley, whose development process was described in the book (and later movie) “The Pentagon Wars”. Unfortunately, all large combat systems (most notably ships) tend to come with a grab bag of ‘features’ of varying utility.
XorNot•26m ago
The Bradley has performed very well in Ukraine, and the man who wrote that book is both a liar and crazy.

Read up on what his proposed alternative was.

hermitcrab•16m ago
>Read up on what his proposed alternative was.

Perhaps you could give a summary?

amanaplanacanal•1h ago
It probably doesn't really matter, as this thing is never going to be built. I kind of suspect everybody is just going into "ok grandpa" mode until he loses interest and starts chasing some other half baked thing.
JumpCrisscross•1h ago
> It probably doesn't really matter

Millions—if not billions—of dollars are likely to be wasted on this over the coming years.

hermitcrab•1h ago
But think of the aesthetics!
krogenx•1h ago
Big “beautiful” bill comes to mind.
tokai•59m ago
That super sized destroyer has non of the battleship aesthetics though.
hermitcrab•55m ago
Indeed. WW1 and WW2 battleships are incredible pieces of engineering and (IMHO) rather beautiful in their own way. And some of them were built in very short time frames when you consider they had no computers to design them with.
api•59m ago
Not "wasted." Handed to allies of the administration. It's just naked kleptocracy.

I suspect that the "ball room" attachment to the White House will also still be a hole by the end of the administration, but a lot of money will get handed out.

ourmandave•58m ago
At least the name Golden Fleet makes sense since everything the US military buys is priced like it's made of solid gold.
krapp•45m ago
Don't worry - we're dismantling our science and research infrastructure and cutting welfare programs so it all evens out.
Analemma_•38m ago
As much as I love any opportunity to stick it to Trump, wasting billions of dollars is about the only thing the US Navy does anymore; in this case he's keeping them on-brand and on-mission. It's kind of hilarious they announced this at the same time as the Constellation-class getting canceled, just to make sure there's no chance the Navy goes even a single day without an active boondoggle of a ship which will never sail.
JumpCrisscross•37m ago
> As much as I love any opportunity to stick it to Trump

You’re the first one in this thread mentioning him.

decimalenough•14m ago
The non-battleship in question is literally named the Trump Class.
Havoc•32m ago
They're hard at work nuking the dollar too so maybe that doesn't matter anymore then
FuckButtons•52m ago
It doesn’t matter if you assume that large scale conventional conflict between the us navy and the plan over Taiwan is impossible in a world with strategic nuclear weapons, otherwise it very much does matter, because navies are built on the timescale of decades and the plans you make today very much determine the future you will live in 10/20 years from now.
mpyne•40m ago
Yes, the opportunity cost is the real problem with all of this. A navy takes approximately forever to build.

If we are extremely lucky the outcome of this will be increased shipyard capacity and refined shipbuilding practices just in time to switch back to building a multitude of actually-useful ships.

But most likely is that this ends up delaying the U.S.'s ability to build back its navy in time to matter, which is a tremendous issue given how we do our commerce and where some of our deepest friends are physically located.

FuckButtons•27m ago
If the navy diverts funds from the ddgx program for this, the usn goes from struggling to keep up with the plan’s expansion to being at risk of being completely outmatched in the late 2030’s / 40’s.
netsharc•1h ago
I wish SNL was currently on the air and made a hell of a joke out of that announcement...

Here's my sketch idea: Naval officers unveil the ship, but when they pull the curtains, they murmur that it's smaller than claimed (The ships will be bigger, faster and a hundred times more powerful than any previous US-built warship, according to Trump(1)). Stormy Daniels shows up and says "Oh yeah, he likes to brag, but it's more like a mushroom.".

Cut to the bridge of the ship, the navigation officer comes to the Captain and says "Sir, the ship can't navigate properly. It seems whatever coordinates we set it always wants to head to... Epstein Island!"

Then the radar officer says "Sir, we are picking up something on the radar. It's a big, it's long...". Cut to footage of a big, black, submarine. The Captain interrupts with "That must be the Obama-Class submarine! The biggest, baddest ship we've ever had!", and the crew look at it in awe.

Then Obama shows up and lectures the viewing public: "Impressive, huh? But in reality there's no Obama-class submarine. The legacy of leading the country should be measured by how it improved Americans' lives, not by the ships and ballrooms." (this message needs to be workshopped...)

Stormy Daniels reappears and says "I know which ship I'd rather be on (wink).". Then fade out the scene with the crew panickedly saying "Captain, the ship is losing power! It looks like it's falling asleep!".

(1) https://www.theguardian.com/us-news/2025/dec/22/trump-new-na...

ourmandave•1h ago
The spec on this piece of propaganda is the main battery is all missile systems. And the secondary is 5" guns, lasers, and a railgun.

The Navy stopped trying to install railguns back in 2021 but never stopped development.

I assume the lasers are future tech that sound cool, except this thing will be cancelled right after the next admin renames Dept of War back to DoD.

AnimalMuppet•28m ago
Lasers might be really useful if a ship is being attacked by a swarm of drones. (The part about hitting those drones may be future, though...)
hermitcrab•17m ago
The same blog has an excellent series on lasers as a naval weapon:

part 1: https://www.navalgazing.net/Lasers-at-Sea-Part-1

NB/ Lasers do not cope well with smoke, fog or rain.

pron•25m ago
> right after the next admin renames Dept of War back to DoD

It's never actually been renamed. They just changed the stationery and website: https://www.usa.gov/agencies/u-s-department-of-defense.

Just like how Trump called in workers to put his name on the Kennedy Center building. Changing the name requires an act of Congress: https://www.law.cornell.edu/uscode/text/20/76i

davidw•1h ago
It's going to be the "cybertruck of the seas" is what it's going to be if it's not quietly shelved when he gets distracted by some other thing that offends him.
nickff•53m ago
If you’re looking for a “cybertruck of the seas”, I think the Zumwalt class is a prime candidate: https://en.wikipedia.org/wiki/Zumwalt-class_destroyer

It had some potential, but that potential has been squandered, at great cost.

JoBrad•50m ago
The stats are crazy:

  In commission: 15 October 2016[3]
  Planned: 32
  Completed: 3
  Cancelled: 29
  Active: 2
gherkinnn•59m ago
Related to the definition of Battleship for the fellow pedantic: What is a tank

https://acoup.blog/2022/05/06/collections-when-is-a-tank-not...

Less humorously, the proposed Trump class "Battleship" is what a teenage armchair general would dream up. The kind of person who thinks Ministry of War sounds cool and cosplays as his favourite operator.

kcb•57m ago
The US navy is in freefall. The best we can do is build a 40 year old destroyer hull and an aircraft carrier class that we plan to be building for literally 100 years. Shipyards can't build anything. Every design is mismanaged so poorly and leached on by traitorous defense contractors so badly that we get essentially nothing but the bill.
JumpCrisscross•43m ago
> best we can do

Why would you take this as an indication of the “best we can do”?

kcb•31m ago
I'm not saying its the best we should do. But its the best we are capable of doing.
mpyne•26m ago
I think they pretty clearly meant 'practical best' rather than 'theoretical best'. Theoretically we could be so much better, which is why everyone is so grumpy about U.S. shipbuilding.

For 'practical best' you'd normally point people to examples of warships the U.S. actually can build without much drama, but if you try this with the Navy you're basically left with, what, the last LPD class?

10 years ago you'd call the Virginia SSNs a success, but even those have now run into construction delays due to various issues, even as the Navy needs their #1 priority (Columbia-class SSBN, also delayed) to succeed to decommission the Ohios on time.

kevin_thibedeau•57m ago
We should christen it as a new class of ships: the dreadyep. With any luck, the gold encrustations will sink it when it is set afloat. Barring that, maybe some midshipman will "forget" to seal off a bilge port.
Xylakant•48m ago
A modern continuation of the Swedish Wasa class?
hippo22•55m ago
Are ships even defendable in the age of hypersonic missiles? It seems like, should a large-scale war happen again, it will look entirely different from the wars in the 20th century.
nickff•51m ago
Ships are the only way to transport and deploy certain weapons across theaters; as such, there is no simple way to replace them. Your argument could be made in the era of Soviet anti-ship cruise missiles (and that argument was made), yet navies have continued to develop and deploy warships.
hermitcrab•47m ago
Yes, but in an age of guided missiles, surely better to have 3x10k ton warship than 1x30k ton warship.
JumpCrisscross•45m ago
> Are ships even defendable in the age of hypersonic missiles?

Given 90s-era NATO air defences are shooting down Russia’s newest hypersonic missiles [1], I’m continuing to treat the category as more hype than utility.

[1] https://www.globaldefensecorp.com/2024/11/20/ukraines-patrio...

AnimalMuppet•27m ago
China's hypersonics may work better than Russia's.

May. Or maybe the whole thing is just hype.

XorNot•16m ago
That presumes no future innovation or improvement in defense systems.

Which with the way the US is being managed might be true, but generally there's no evidence that China has a missile which cannot be intercepted by refined means we already know.

Havoc•26m ago
>Are ships even defendable in the age of hypersonic missiles?

Well China has been building aircraft carrier mockups on train rails in the desert to test something on them while they're in motion...so I'd say unclear

turtletontine•12m ago
Source?
bertili•55m ago
"The missile is too round at the top, it needs to be pointy. Round missiles are not scary"

- The Dictator

Animats•53m ago
It's all hype, as the article points out. "Battleship", it's not. No mention of armor. A battleship is supposed to be able to withstand a hit from its own primary weapon. The British Navy had a fad for light cruisers at one point, "eggshells armed with sledgehammers". They did not do well in WWI and WWII.[1] Nor did the armored battleships. No Japanese or German battleship in WWII survived a determined air attack. Yamato, Tirpiz, Bismark - all lost to air attack.

But they looked really cool.

Anywhere near the coast of China, a warship is within range of truck-mounted anti-ship missiles.[2] Lots of them. If there's a war over Taiwan, the Taiwan Strait will be a no-go zone for US warships. Being near a hostile coast held by someone with modern weapons is death to a navy today. The sinking of the Moskva was the first demonstration of this, and Ukraine has since taken out about eight more Russian warships and many smaller craft, using various missiles and drones.

[1] https://hmshood.org.uk/history/bcorigins.htm

[2] https://maritime-executive.com/editorials/china-s-df-27-miss...

JumpCrisscross•48m ago
> It's all hype

It’s geriatric hype. It tells you how the administration is thinking about the Navy: in terms someone born in the 1940s—and who never refreshed their assumptions since childhood—can understand.

What we should have are floating, automated drone-production platforms that can be mass manufactured themselves and shipped to right ahead of the front for overwhelming the enemy’s sea-based defences (while F-35s take care of SEAD). Instead we get Popeye with a rail gun.

krapp•5m ago
maybe... maybe we should stop electing these ancient white bastards whose brains fossilized back in the days of rotary phones and vacuum tubes. I don't know.
justin66•5m ago
[delayed]
hermitcrab•5m ago
>The British Navy had a fad for light cruisers at one point, "eggshells armed with sledgehammers".

Do you mean 'battle cruisers'?

https://en.wikipedia.org/wiki/Battlecruiser

'Light cruisers' were different again.

>No Japanese or German battleship in WWII survived a determined air attack. Yamato, Tirpiz, Bismark - all lost to air attack.

Bismark was finished off by surface ships after the initial air attack.

Tirpitz took many sorties to sink.

The sinking of the British Prince of Wales and Repulse by the Japanese is probably a better example of how battleships became vulnerable to airpower.

csours•50m ago
"Trump Class Battleship" - absurd

"Gulf of America" - absurd

"Tariffs will reduce inflation" - absurd

"Trump Kennedy Center" - absurd

"Mexico will pay for the wall" - absurd

"Ukraine started the war" - absurd

"We'll make drugs 1500% cheaper" - absurd

---

Why does MAGA love absurdity so much?

krapp•44m ago
They're authoritarians. Study fascism, or Nazism, or any authoritarian cult. All of them are absurd.
hermitcrab•26m ago
Believing in the absurd is a test of loyalty to the regime.
ourmandave•24m ago
Hey come on buddy, it's not like there's a list of the 30,573 outright lies or misleading statements made by Grifter in Chief since his first term.

https://en.wikipedia.org/wiki/False_or_misleading_statements...

throw-12-16•46m ago
Taiwan will be betrayed just like Ukraine.
pron•43m ago
As a non-American living across the pond, the thing that is most terrifying to me about Trump's presidency isn't his authoritarian tendencies, corruption, cruelty, or criminality. The world has seen plenty of leaders like that. Maybe not recently in so-called Western countries, but it happens. What's novel is his sheer idiocy. Calling him a moron is an insult to the intelligence of morons. And what's so terrifying about it isn't that a man so stupid was elected president of such a big and important country, although that's bad enough, but seeing American titans of industry and other members of its elite - people possessing real power - seriously discussing, or even praising, the quality of the emperor's new clothes.
AnimalMuppet•20m ago
It's always like this with authoritarians. They become the arbiter of truth, and so they don't hear the actual truth very often. They become the giver of power, and so those who want power do whatever they have to in order to get the big man to give it to them.

So the only surprises are 1) how fast this happened, and 2) that "American titans of industry" are just power hungry rather than actually men of talent and brilliance.

pron•17m ago
> They become the arbiter of truth, and so they don't hear the actual truth very often

Yes, but they're rarely that stupid. The world sees a man say five times that he's lowered drug prices by 400-1500%. And that was just last week. For many Europeans it's remarkable to even come across a person that stupid.

> that "American titans of industry" are just power hungry rather than actually men of talent and brilliance.

I never thought they were brilliant. I just thought they wouldn't sell themselves so cheaply or would be so easily intimidated.

burnt-resistor•41m ago
Whatever this febrile dream vaporware could be, it's still way too big for modern combat. Don't take my word for it, listen to a US Navy Commander, a serious person obviously, explain how it's terrible and completely inattentive to real USN needs and doctrine. https://youtu.be/0Zqa9azGo6M

Moreover though, it's another facet of the show of the White House occupant embellishing their ego and playing the reality star part through random, aspirational concepts of a plan.

PS: I dislike almost all Republicans and most Democrats, especially all of the ones who take bribes from corporations and foreign governments, so this isn't a political message but a reality statement.

ourmandave•6m ago
I dislike almost all Republicans and most Democrats, especially all of the ones who take bribes from corporations and foreign governments

As opposed to the corrupt King who loves to pardon corrupt politicians, no matter their stripe.

https://www.citizensforethics.org/reports-investigations/cre...

ourmandave•34m ago
If you want to know what the Navy was/is really planning look up the DDG(X).

A destroyer planned since 2021, hopefully it won't be another Ticonderoga class fuck up.

Havoc•23m ago
Yeah that's what the military youtubers are saying too...makes no sense
hermitcrab•19m ago
Unless the intention is to attract a lot of attention, in which case it makes perfect sense.
petersumskas•8m ago
Interesting read. Given what was covered and tradition notwithstanding, I think “Trump Class” (apart from being an oxymoron) is a perfect designation:

- oversized

- completely lacking in style

- not technically capable for the role it finds itself in!