Hacker News: leni536

New comment by leni536 in "Everything in C is undefined behavior"

leni536 — Wed, 20 May 2026 13:17:22 +0000

Unaligned access being fine in one architecture, but not in others would create separate dialects, regardless of being blessed by ISO C.

Just don't do unaligned access, it's a dialect that doesn't exist currently, and should never exist.

New comment by leni536 in "Everything in C is undefined behavior"

leni536 — Wed, 20 May 2026 08:59:33 +0000

Only in C, that one is defined in C++.

edit: I'm not sure it's even undefined in C.

New comment by leni536 in "Everything in C is undefined behavior"

leni536 — Wed, 20 May 2026 08:54:51 +0000

Undefined means that the ISO C doesn't define the behavior. An implementation is free to do so.

New comment by leni536 in "Stop MitM on the first SSH connection, on any VPS or cloud provider"

leni536 — Sun, 10 May 2026 22:31:37 +0000

How do you compare? What trusted channel do you use to retrieve the real public key?

New comment by leni536 in "Ask HN: We just had an actual UUID v4 collision..."

leni536 — Fri, 08 May 2026 10:34:34 +0000

It's not happening by chance, there is a bug somewhere.

From what I skimmed the package should just call to the js runtime's crypto.randomUUID(). I think it should always be properly seeded.

I think it is extremely unlikely that the runtime has a bug here, but who knows? What js runtime do you use?

New comment by leni536 in "Because It Doesn't Have To"

leni536 — Sun, 03 May 2026 09:38:59 +0000

Another way to phrase this is that guarantees can impose constraints that are overly limiting.

Having said that, the parallel with ML seems to be bit of a stretch. What exact high level guarantee is given up by being probabilistic?

New comment by leni536 in "Ti-84 Evo"

leni536 — Fri, 01 May 2026 21:41:24 +0000

How is the battery life? Rechargeable sure is nice, but the older models lasted forever on 4 AAAs (at least my TI-83). That's one aspect that would justify the low processing power for today's standards for portable computing devices.

New comment by leni536 in "For Linux kernel vulnerabilities, there is no heads-up to distributions"

leni536 — Fri, 01 May 2026 11:43:19 +0000

This seems to be sloppy wording, with the intent of "we only offer the bounty under these terms". Maybe my interpretation is too charitable.

New comment by leni536 in "For Linux kernel vulnerabilities, there is no heads-up to distributions"

leni536 — Thu, 30 Apr 2026 20:23:54 +0000

I wonder if "if you contact us... you automatically agree" stands in court. That's just ridiculous.

New comment by leni536 in "You can beat the binary search"

leni536 — Thu, 30 Apr 2026 20:16:04 +0000

I wouldn't. This is very specialized to the type of the elements.

New comment by leni536 in "GCC 16 has been released"

leni536 — Thu, 30 Apr 2026 18:22:41 +0000

1. You still need std::launder in that case.

2. It doesn't initialize the object that is implicitly created, even if the storage has initialized chars.

New comment by leni536 in "Who owns the code Claude Code wrote?"

leni536 — Wed, 29 Apr 2026 11:14:44 +0000

And LLMs perform when you prompt them.

New comment by leni536 in "Who owns the code Claude Code wrote?"

leni536 — Wed, 29 Apr 2026 06:58:46 +0000

And they are legally required to license the play to do that, if it's still in copyright.

New comment by leni536 in "It's OK to abandon your side-project (2024)"

leni536 — Mon, 27 Apr 2026 09:27:46 +0000

I feel uneasy about this after the xz story.

New comment by leni536 in "Issue links now open in a popup"

leni536 — Sun, 26 Apr 2026 17:00:11 +0000

Great, the UX feature I probably hate the most in Jira, now on Github.

New comment by leni536 in "The Joy of Folding Bikes"

leni536 — Sat, 25 Apr 2026 22:29:52 +0000

Recently I tried out Brompton Bike Hire in London for a week. Can recommend the bike, and the price is reasonable. The bikes are hired from automatic storage lockers, which makes sense as a concept. The app is atrocious though, and I had a lot of trouble returning the bike at the end of the week.

New comment by leni536 in "Ubuntu 26.04"

leni536 — Fri, 24 Apr 2026 08:40:37 +0000

Did you pin the package's priority or just apt removed it?

New comment by leni536 in "It is incorrect to "normalize" // in HTTP URL paths"

leni536 — Sat, 18 Apr 2026 10:14:46 +0000

It can't be. It's the same confusion as "email address normalization" being wrong (for example when gmail ignores dots when mapping an address to an inbox).

It matters where the normalization happens, and server-side behavior is out-of-scope of these identifier RFCs.

New comment by leni536 in "It is incorrect to "normalize" // in HTTP URL paths"

leni536 — Sat, 18 Apr 2026 10:04:52 +0000

I don't think it's incorrect for distinct paths to point to the same resource.

Of course you shouldn't assume that in a client. If you are implementing against an API don't deviate regarding // and trailing / from the API documentation.

New comment by leni536 in "It is incorrect to "normalize" // in HTTP URL paths"

leni536 — Sat, 18 Apr 2026 09:10:32 +0000

Wait until you try http:/example.com and http://////example.com in your browser.