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@clark TIL BCD

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@clark TIL BCD

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@nelhage i didn’t realize it was undefined behaviour!

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@nelhage i didn’t realize it was undefined behaviour!

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@gdinwiddie can you say more about "signed and unsigned may act differently"? (how?)

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@gdinwiddie can you say more about "signed and unsigned may act differently"? (how?)

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@reedmideke ooh do you have an example of how this has happened to you by any chance?

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@reedmideke ooh do you have an example of how this has happened to you by any chance?

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we talked last week about what can go wrong with floating point numbers, so -- what can go wrong when using integers?

so far I have:

* 32 bit integers are smaller than you think (they only go up to 4 billion!)
* overflow
* sometimes you need to switch the byte order
* ?? (maybe something about shift / bitwise operations? not sure what can go wrong with that exactly)

I'd especially love real-world examples of things that have gone wrong, if you have them!

# orderedItems[].object.contentMap.en
we talked last week about what can go wrong with floating point numbers, so -- what can go wrong when using integers?

so far I have:

* 32 bit integers are smaller than you think (they only go up to 4 billion!)
* overflow
* sometimes you need to switch the byte order
* ?? (maybe something about shift / bitwise operations? not sure what can go wrong with that exactly)

I'd especially love real-world examples of things that have gone wrong, if you have them!

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@ayron @b0rk_reruns a bit confused as to why you would say that pipes do not have a buffer, they do have a buffer (you can google it, read the man page on pipes, or write a small program to test that a write syscall to a pipe does not block?) :). There's a nice blog post about it here https://utcc.utoronto.ca/~cks/space/bl og/unix/BufferedPipes

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@ayron @b0rk_reruns a bit confused as to why you would say that pipes do not have a buffer, they do have a buffer (you can google it, read the man page on pipes, or write a small program to test that a write syscall to a pipe does not block?) :). There's a nice blog post about it here https://utcc.utoronto.ca/~cks/space/bl og/unix/BufferedPipes

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@ed_mcdonagh @b0rk_reruns yeah exactly

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@ed_mcdonagh @b0rk_reruns yeah exactly

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@mwop @b0rk@mastodon.social I’m using masto.host

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@mwop @b0rk@mastodon.social I’m using masto.host

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@vicki what i’m l learning from this is i need to follow more people on ML twitter

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@vicki what i’m l learning from this is i need to follow more people on ML twitter

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@andrew the bot idea is interesting, I hadn't thought of that!

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@andrew the bot idea is interesting, I hadn't thought of that!

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@andrew I can’t tell if it’s weird to apply a really specific filter to a relay (like instead of a hashtag filter, an “only pass along tweets from these 5000 accounts” filter)

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@andrew I can’t tell if it’s weird to apply a really specific filter to a relay (like instead of a hashtag filter, an “only pass along tweets from these 5000 accounts” filter)

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@andrew (though when I put it that way it sounds kind of creepy, maybe there are some ethical/privacy implications)

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@andrew (though when I put it that way it sounds kind of creepy, maybe there are some ethical/privacy implications)

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@andrew yeah personally i’d be willing to do the scraping myself and just ask “here’s a list of 5,000 accounts, let me know when you see toots from any of them”

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@andrew yeah personally i’d be willing to do the scraping myself and just ask “here’s a list of 5,000 accounts, let me know when you see toots from any of them”

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@andrew one idea: I'd kind of like to be able ask the relay server to only subscribe me to tweets of accounts followed by accounts who I follow ("friends of friends"). Or some approximation of that.

seems like it might not be feasible/practical though :) (and even less so when asking about who an entire server follows)

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@andrew one idea: I'd kind of like to be able ask the relay server to only subscribe me to tweets of accounts followed by accounts who I follow ("friends of friends"). Or some approximation of that.

seems like it might not be feasible/practical though :) (and even less so when asking about who an entire server follows)

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@andrew just to make sure: the way I configure it is to DM @relay? (I sent it some DMs but didn't get a reply yet)

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@andrew just to make sure: the way I configure it is to DM @relay? (I sent it some DMs but didn't get a reply yet)

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@andrew thank you, I'd love that! and the docs are great, I've been confused about what a relay does exactly

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@andrew thank you, I'd love that! and the docs are great, I've been confused about what a relay does exactly

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@tastytronic thank you! i've been on mastodon.social for a while at @b0rk@mastodon.social but I'm making my own instance now :)

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@tastytronic thank you! i've been on mastodon.social for a while at @b0rk@mastodon.social but I'm making my own instance now :)

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going to spend some time hanging out and getting used to this instance before migrating over followers. So far the main annoying thing is that when I click on someone who I don't follow's profile, I can't read their toots because my instance doesn't have them

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going to spend some time hanging out and getting used to this instance before migrating over followers. So far the main annoying thing is that when I click on someone who I don't follow's profile, I can't read their toots because my instance doesn't have them

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working on setting up a personal mastodon instance, following these directions: https://jacobian.org/til/my-mastodon-i nstance/

doing this because I own the domain for my blog, so why not for mastodon too?

# orderedItems[].object.contentMap.en
working on setting up a personal mastodon instance, following these directions: https://jacobian.org/til/my-mastodon-i nstance/

doing this because I own the domain for my blog, so why not for mastodon too?