David Stone @david_m_stone

Denver, CO Joined September 2016

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David Stone @david_m_stone

3 months ago

Here's some C code that prints "Math works" at compile time: ``` #if ((eight + 4) * 12) / (2 + four) == 24 #warning Math works #else #error Math does not work #endif ``` godbolt.org/z/WojM7jbda

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David Stone @david_m_stone

4 months ago

David's "Expecto Patronum" did not go as planned.

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David Stone @david_m_stone

7 months ago

I wish I could filter out all serious tweet responses that begin with any variant of "ChatGPT / Grok / Claude thinks..."

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David Stone @david_m_stone

7 months ago

Please stop making json formats that look like ``` { "key": "asdf", "value": "qwerty" } ``` Just do `{ "asdf": "qwerty" }`

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David Stone @david_m_stone

8 months ago

Just saw this in ChatGPT's "memory" for me: Prefers not to receive repeated or incorrect answers.

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The first version of Catch is "catch". Fedora calls this package "catch". The second version is "catch2". Fedora calls this package "catch2". Fedora then removed support for version 1. The third version is "catch2-v3". Fedora calls this "catch".

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David Stone @david_m_stone

8 months ago

Consistency: the idea that if we are mostly wrong about something, we have to keep being wrong about it. The alternative model is the belief that the first step to getting out of a hole is to stop digging a hole.

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David Stone @david_m_stone

8 months ago

Strangest optimization bug I've seen in a long time: github.com/llvm/llvm-proj… `s()` generates bad code. `s{}`, `s(0)`, and `s(0, 0)` all generate the same good code. All of them initialize the struct containing two longs to the same 0 values.

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David Stone @david_m_stone

8 months ago

A website has "Not finding what you're looking for?" with a link to contact them. The link is a 404.

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David Stone @david_m_stone

8 months ago

When I paste a document into ChatGPT and ask for feedback it usually focuses on the content. If I first say "I pasted this from a Google doc so the formatting got messed up. Don't comment on that" half of its comments are about the formatting.

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David Stone @david_m_stone

8 months ago

Consider the superhero "Percentile Man". He can perform any skill at the Nth percentile of human ability (no better, no worse), and he has a sense for what that means for any skill. How good does he have to be for this to be a superpower?

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David Stone @david_m_stone

9 months ago

Is there a site or paper that gives examples of macros that interfere with refactoring tools? Or just drop them in here.

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David Stone @david_m_stone

10 months ago

`std::pair` should never be used if `first` and `second` are not the best names for your data members.

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David Stone @david_m_stone

10 months ago

In C++ if I have a range of ranges and I flatten them (for instance, `join_view`), how do I efficiently expose the size of the resulting range? If each inner range is sized, getting the size is O(n) in the number of inner ranges but O(?) in the number of elements

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David Stone @david_m_stone

10 months ago

Given an input iterator `it`, is it well-defined to do `*it; *it;`? If so, is there an even weaker iterator category that disallows it? If not, is there an even stronger iterator category that allows it without also allowing increment?