@whitequark@mastodon.social
@whitequark@mastodon.social avatar

whitequark

@whitequark@mastodon.social

catgirl shaped object

"A cat is valued for companionship and its ability to kill vermin."

✧ i have friends, and my purpose is to support them ✧
✦ i have enemies, and my purpose is to eliminate them ✦
✶ i have a life, and my purpose is to reach heaven by violence ✶
✷ nothing else matters ✷

#searchable

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whitequark, to random
@whitequark@mastodon.social avatar

stalkers with a working understanding of consent are extremely hot

whitequark, to random
@whitequark@mastodon.social avatar

how's your substrate doing?

th, to random
@th@v.st avatar

Why is there no funicular emoji? 🚠+🛤️

whitequark,
@whitequark@mastodon.social avatar

@th that's a beautiful casting

whitequark, to random
@whitequark@mastodon.social avatar

index fund of top 500 tech companies sorted by the headcount of trans lesbians employed there

whitequark, to random
@whitequark@mastodon.social avatar

catherine is an object that will talk about your c++ compiler the way intel security advisories talk about sequences of events in complex microarchitectural conditions

whitequark,
@whitequark@mastodon.social avatar

don't worry; under the conditions of my agreements, i'm allowed a single standard-issue c++ compiler for home use at least through FY 2025

whitequark, to random
@whitequark@mastodon.social avatar

the thermostat in this place is wireless and talks to the boiler over radio... but something happened (?) and it's no longer working. and i noticed that i'm cold.

fortunately i had a recording of the thermostat's boiler-on and boiler-off commands on my flipper zero.

so now flipper zero is a key part of how i'm going to not freeze to death while asleep

whitequark,
@whitequark@mastodon.social avatar

@gsuberland i think the display might be dead actually

whitequark,
@whitequark@mastodon.social avatar

why would you reply to this and suggest it could be a dead battery

do you not have a theory of mind at all?

whitequark,
@whitequark@mastodon.social avatar

@Elucidating changing the AAs was the first thing i did, for obvious reasons!

whitequark, to random
@whitequark@mastodon.social avatar

i'm normal and can be trusted with using your programming language.

i promise :)

whitequark, to random
@whitequark@mastodon.social avatar

i just produced an object file with a 122 KB long basic block. how's your day going?

whitequark,
@whitequark@mastodon.social avatar

i just used some template crimes to work around an issue where the C++ compiler, in certain specific conditions, would allocate several dozen kilobytes of distinct stack slots to store constant zeroes in them to pass as an argument, potentially contributing to stack overflow in worst-case stack usage scenario

how's your day going?

whitequark,
@whitequark@mastodon.social avatar

i spent at least six hours optimizing this single function. i haven't actually ran the code for the most part. i was looking at it in the disassembler. i just verified that it actually computes the right result before sending the pull request

whitequark,
@whitequark@mastodon.social avatar

@forgetful_bri i'm uhhhhh,,,, mostly computing pure functions?

whitequark,
@whitequark@mastodon.social avatar

@forgetful_bri there are intermediate steps involved

whitequark,
@whitequark@mastodon.social avatar

@forgetful_bri yeah, real-world functions aren't actually pure i think

at the very least they take time

whitequark, (edited ) to random
@whitequark@mastodon.social avatar

Can you answer this simple question about the C programming language?

$ cat test.c
<string.h>
<stdio.h>
int main() { printf("%d\n", strlen("\x01c")); }
$ cc test.c && ./a.out

What number does this program print?

whitequark,
@whitequark@mastodon.social avatar

@typeswitch you're welcome / i'm so sorry

whitequark,
@whitequark@mastodon.social avatar

@tnt the C syntax highlighter in VS Code doesn't know this

whitequark, (edited )
@whitequark@mastodon.social avatar

Answer: \x01c is an escape sequence that translates to a single character. Any amount of hexadecimal digits after \x designate a single character.

Fully half of the respondents do not know this! It's a really interesting result to me; nearly every C programmer has used this escape sequence at some point, and yet. Even some really experienced people (40+ years of C, in one case!) have been tripped up by this.

whitequark,
@whitequark@mastodon.social avatar

If I ever need to complete a technical interview I'm going to ask the interviewer this question and see what the outcome is.

whitequark,
@whitequark@mastodon.social avatar

@artemesia after the backslash or after backslash followed by lowercase latin letter ex?

whitequark,
@whitequark@mastodon.social avatar

@artemesia what does it do if you go for \x00000001c?

whitequark,
@whitequark@mastodon.social avatar

@artemesia yep, so as you can see it's not limited to 3 digits

mcc, to random
@mcc@mastodon.social avatar

2008, me: I love the idea of cryptocurrency

BITCOIN: The word "cryptocurrency" now means "financial scams based on inefficient write-only ledgers"

2018, me: I love the idea of the metaverse

FACEBOOK: The word "metaverse" now means "proprietary 3D chat programs with no soul"

2022, me: I love the idea of procedurally generated content

OPENAI: From now on people will associate that only with big corporations plagiarizing small artists and turning their work into ugly content slurry

whitequark,
@whitequark@mastodon.social avatar

@mcc I like that it 'breaks' copyleft because depending on cops to create a social good was always a losing proposition. The only question was to when, and now is as good a time as any.

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