Hacker News: rmu09

New comment by rmu09 in "Lotus Notes and the dangers of starting from scratch"

rmu09 — Wed, 09 Sep 2026 15:15:28 +0000

25yrs ago, doing any kind of revision control or compare different "versions" of the same "database" was next to impossible IIRC. Then there were those "replication failures", sometimes trivial to fix, sometimes completely impossible to debug. And god forbid you did something to the default email template to make it more compatible with external IMAP clients...

New comment by rmu09 in "Lotus Notes and the dangers of starting from scratch"

rmu09 — Wed, 09 Sep 2026 15:11:14 +0000

Ca. 2000. Converted a few companies (each around 20-30 mail / calendar users) from novell groupwise and ms exchange to notes/domino. Client OSes were windows 98, maybe even an occasional windows for workgroups. Not smooth sailing. Had to abort at least one conversion in the middle of the night because some "wizard" didn't work.

Users were trained in the new ways of email and some proprietary CRM app we developed, but IIRC at least half of the customers rolled back immediately because of user protest over user interface and missing/non-working functionality, one customer even went under.

In principle Lotus Notes was the best, but practically, it was horrible.

New comment by rmu09 in "Meta reuses old RAM in new servers with custom bridge chip"

rmu09 — Thu, 09 Jul 2026 11:09:22 +0000

The thing that defines performance of DRAM is AFAIK the capacitor of the bit cells and not the transistor driving it. And also AFAIK the process to create those capacitors is quite unique to DRAM, so you can't just go and use a "logic" process unchanged and produce DRAMs.

New comment by rmu09 in "Yserver: A modern X11 server written in Rust"

rmu09 — Sun, 14 Jun 2026 21:35:28 +0000

Maybe they mean X11-screens. That are more or less independent screens, you can't move a window from one to the other for example.Emacs supports that somewhat with the "open new frame on display server" menu option, but usually, multiple screens are not very useful.

Nowadays, multiple monitors present one big virtual framebuffer and only one logical X11 screen.

New comment by rmu09 in "Tesla's lithium refinery discharges 231,000 gallons of polluted wastewater a day"

rmu09 — Tue, 19 May 2026 21:41:23 +0000

They couldn't sell those cars in europe.

New comment by rmu09 in "Int a = 5; a = a++ + ++a; a =? (2011)"

rmu09 — Thu, 14 May 2026 21:45:03 +0000

the original question has a=, you have a+=

New comment by rmu09 in "FSF trying to contact Google about spammer sending 10k+ mails from Gmail account"

rmu09 — Thu, 16 Apr 2026 09:01:54 +0000

Not an expert, but AFAIK 450 is a non-permanent error that basically says "try again later".

New comment by rmu09 in "VTT Test Donut Lab Battery Reaches 80% Charge in Under 10 Minutes [pdf]"

rmu09 — Mon, 23 Feb 2026 14:08:13 +0000

They claim not only fast charging, long life and low cost, but also very high energy density, no degradation in low temperature, no thermal runaway, non-hazardous materials and no "geopolitical" needed.

New comment by rmu09 in "VTT Test Donut Lab Battery Reaches 80% Charge in Under 10 Minutes [pdf]"

rmu09 — Mon, 23 Feb 2026 13:56:45 +0000

I think it is safe to assume, given the buzz all around the donut battery, that VTT would immediately release a statement if this report was fake.

edit: https://www.vttresearch.com/en/news-and-ideas/donut-lab-comm...

New comment by rmu09 in "American importers and consumers bear the cost of 2025 tariffs: analysis"

rmu09 — Mon, 19 Jan 2026 16:17:52 +0000

Who else is paying the taxes if not the customer? Who else is paying anything if not the customer in the end?

New comment by rmu09 in "Linux Runs on Raspberry Pi RP2350's Hazard3 RISC-V Cores (2024)"

rmu09 — Fri, 09 Jan 2026 12:06:27 +0000

It would probably make more sense to target something like this https://www.hackster.io/news/andrew-bunnie-huang-prepares-th... with linux, has MMU and more RAM.

New comment by rmu09 in "Google's new 'Aluminium OS' project brings Android to PC"

rmu09 — Tue, 25 Nov 2025 06:53:58 +0000

Interesting. I sometimes get similar behaviour on KDE / wayland, usually it is "2" or "3", and it seems to only affect electron apps. Always thought it has something to do with a dodgy ps/2 to usb converter I use to attach my old mechanical keyboards. I think it does not happen if electron apps are started with "--ozone-platform=wayland" but not completely sure, and I have no reliable way to reproduce or somehow trigger that behaviour.

New comment by rmu09 in "GCC 16 considering changing default to C++20"

rmu09 — Mon, 17 Nov 2025 14:42:32 +0000

Aren't they talking about the c++ dialect the compiler expects without any further -std=... arguments? How does that affect the bootstrapping process? This https://gcc.gnu.org/codingconventions.html should define what C/C++ standard is acceptable in the GCC.

New comment by rmu09 in "Europe's EV sales surge 26% in 2025 while Tesla faces decline"

rmu09 — Wed, 24 Sep 2025 16:11:02 +0000

The BMW i3 was an interesting car, it's a pity they cancelled it and don't offer it with current drive train / battery. There are 3rd party battery upgrades available though if you get a used one.

New comment by rmu09 in "Europe's EV sales surge 26% in 2025 while Tesla faces decline"

rmu09 — Tue, 23 Sep 2025 14:11:46 +0000

IIRC there were BMW i3, Nissan Leaf (2010) and later Renault Zoe.

BMW in cooperation with Toyota has/had H2 cars (currently iX5), but it is some sort of pilot phase.

Tesla with their model 3 and supercharger network demonstrated that electric vehicles indeed are viable, and that got the ball rolling.

New comment by rmu09 in "Europe's EV sales surge 26% in 2025 while Tesla faces decline"

rmu09 — Tue, 23 Sep 2025 13:48:23 +0000

I agree that a small / compact car is missing in the Tesla line-up and that also hurts their european performance (and will continue to hurt).

New comment by rmu09 in "Europe's EV sales surge 26% in 2025 while Tesla faces decline"

rmu09 — Tue, 23 Sep 2025 13:44:07 +0000

Nobody is constantly charging their completely empty EV.

A typical commute of 50km/day at 20kWh/100km means you have to put 10kWh into you car (per day). A 230V outlet can deliver 3,7kW at 16A, so your car would be topped up again after about 3h.

Tesla Supercharger prizes at 20kWh/100km are in the same ball park as Diesel at 5l/100km. Charging at home should approach half that, and charging with PV will amount to <2€/100km.

New comment by rmu09 in "Europe's EV sales surge 26% in 2025 while Tesla faces decline"

rmu09 — Tue, 23 Sep 2025 13:33:03 +0000

We don't want the CO2 that is created (and other consequences of oil production/consumption), the money can be spent on something better, and we don't want to depend on oil-exporting countries more than necessary.

New comment by rmu09 in "Europe's EV sales surge 26% in 2025 while Tesla faces decline"

rmu09 — Tue, 23 Sep 2025 13:13:49 +0000

You also get rid of brake dust (for the most part).

This study https://www.oecd.org/content/dam/oecd/en/publications/report... (page 95) sees nowhere near 5 fold increase of particles from tire wear with EVs, for lightweight EVs you get a significant reduction in overall particle emissions.

New comment by rmu09 in "Europe's EV sales surge 26% in 2025 while Tesla faces decline"

rmu09 — Tue, 23 Sep 2025 13:02:11 +0000

Individual owners may care about brand toxicity or may not, but it affects how much tesla can charge for new vehicles and resale value of used ones. Of course this analysis is just MHO, maybe the real cause why EV market is expanding and Tesla is stagnating is something completely different, like missing "android auto" resp. apple equivalent thing functionality.