Hacker News: Matheus28

New comment by Matheus28 in "C++: The Documentary"

Matheus28 — Fri, 05 Jun 2026 17:15:55 +0000

And replace it with what?

New comment by Matheus28 in "How to convert between wealth and income tax"

Matheus28 — Fri, 22 May 2026 16:08:22 +0000

A lot of countries require you to declare your total wealth on your tax forms. Then once someone gets audited, that gets checked. Obviously it’s possible to hide it, but that in itself is a crime, and not everyone is willing to risk going to jail over paying taxes.

New comment by Matheus28 in "How to convert between wealth and income tax"

Matheus28 — Fri, 22 May 2026 16:02:53 +0000

You obviously can’t convert between the two directly and suggesting that is disingenuous.

Income tax doesn’t affect unrealized capital gains (where the rich “hide” most of their income).

A wealth tax (even without a minimum threshold) doesn’t apply to the poorest who can’t accumulate enough to even have any savings.

This conversion only works for income that is entirely saved and reinvested, which the majority of people can’t afford to do.

New comment by Matheus28 in "A web page that shows you everything the browser told it without asking"

Matheus28 — Fri, 08 May 2026 18:20:47 +0000

Why? Some web apps might want to present a different interface if you’re in landscape.

New comment by Matheus28 in "Use string views instead of passing std:wstring by const&"

Matheus28 — Wed, 01 Apr 2026 03:59:25 +0000

Since C++11, data() is also required to be null terminated. Per your own source and cppreference.

New comment by Matheus28 in "Ubuntu 26.04 Ends 46 Years of Silent sudo Passwords"

Matheus28 — Sun, 22 Mar 2026 03:06:57 +0000

“I quit!” Even includes a special character

New comment by Matheus28 in "MacBook Air with M5"

Matheus28 — Tue, 03 Mar 2026 15:38:30 +0000

What do you use the Mac Studio for?

I’ve always felt they weren’t really worth it for performance per dollar spent. For C++ work I just use a non-Mac workstation. For lighter workloads the Mac Mini is very capable already.

New comment by Matheus28 in "iPhone 17e"

Matheus28 — Tue, 03 Mar 2026 04:25:19 +0000

Except 120 Hz display I believe, which is big reason for me

New comment by Matheus28 in "AI fatigue is real and nobody talks about it"

Matheus28 — Sun, 08 Feb 2026 17:03:13 +0000

I personally believe what we’re seeing are newcomers who aren’t even programmers who fall for all this crap and then come here to post about it

New comment by Matheus28 in "Self Driving Car Insurance"

Matheus28 — Fri, 30 Jan 2026 21:56:06 +0000

I personally would have changed it to a round-trip then just returned the car to the other Hertz location and let them figure it out.

New comment by Matheus28 in "Stop using low DNS TTLs"

Matheus28 — Fri, 30 Jan 2026 21:28:23 +0000

If you add multiple IPs to a record, a lot of resolvers will simply use the first one. So even in that case you need a low TTL to shuffle them constantly

New comment by Matheus28 in "Show HN: Server-rendered multiplayer games with Lua (no client code)"

Matheus28 — Mon, 05 Jan 2026 02:26:24 +0000

Client-server multiplayer games are already kind of a very specialized type of video playback if you squint a bit (you're transmitting entities rather than pixels).

This method of multiplayer you propose is inferior in basically every way: you can't do client-side prediction to make inputs feel smoother, and non-trivial scenes will surely take up more bandwidth than just transmitting entity deltas.

New comment by Matheus28 in "DNS LOC Record (2014)"

Matheus28 — Sat, 29 Nov 2025 18:32:21 +0000

They could get a rough estimate of an IP location using traceroute from many different known locations. Very rough but it’s a starting point.

For some cases, they might just lookup who owns that IP range and put their address as the IP location.

New comment by Matheus28 in "Binmoji: A 64-bit emoji encoding"

Matheus28 — Fri, 24 Oct 2025 06:21:40 +0000

Agreed. I feel that a lookup table can probably map all emojis possible to a uint32 (maybe optimistically uint16, [1] says there's about 4k emojis, does that include skin variations?). And you can add new ones sequentially after so IDs remain stable.

[1] https://unicode.org/emoji/charts/emoji-counts.html

New comment by Matheus28 in "Show HN: I'm building a browser for reverse engineers"

Matheus28 — Thu, 09 Oct 2025 01:08:57 +0000

How are you gonna throw an error inside Array.prototype.push?

New comment by Matheus28 in "Show HN: I'm building a browser for reverse engineers"

Matheus28 — Tue, 07 Oct 2025 20:30:09 +0000

You can just use Proxy to get around toString shenanigans and prevent any detection whatsoever.

New comment by Matheus28 in "`std::flip`"

Matheus28 — Mon, 29 Sep 2025 21:04:38 +0000

Your python code allocates an array and inverts it every function call.

The C++ code has no overhead and is equivalent to a compile time transformation.

New comment by Matheus28 in "`std::flip`"

Matheus28 — Mon, 29 Sep 2025 21:00:56 +0000

Should be using empty base optimization or [[no_unique_address]] for that implementation

New comment by Matheus28 in "Top DNS domains seen on the Quad9 recursive resolver array each day"

Matheus28 — Fri, 11 Jul 2025 15:49:02 +0000

Probably some sort of command and control for a botnet.

They calculate a random domain name based on the timestamp (so it’s constantly changing every X days in case it gets seized), and have some validation to make sure commands are signed (to prevent someone name squatting to control their botnet).

New comment by Matheus28 in "Evolution Mail Users Easily Trackable"

Matheus28 — Wed, 09 Jul 2025 23:59:58 +0000

Why do we need AI for that? Can’t we just strip html tags?