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xuu
txt.sour.is
 (1y ago)

man… day17 has been a struggle for me.. i have managed to implement A* but the solve still takes about 2 minutes for me.. not sure how some are able to get it under 10 seconds.

Solution: https://git.sour.is/xuu/advent-of-code/src/branch/main/day17/main.go
A* PathFind: https://git.sour.is/xuu/advent-of-code/src/branch/main/search.go

some seem to simplify the seen check to only be horizontal/vertical instead of each direction.. but it doesn’t give me the right answer

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xuu
txt.sour.is
 (2y ago)
↳ In-reply-to » So.. Of y'all that had covid. Did you have at the end a night where for no reason your brain amped up to 11 and can't sleep at all? It happened to me last night and my FIL the night before.

@movq@www.uninformativ.de I lasted for a long time.. Not sure where or when it was “got”. We had been having a cold go around with the kiddos for about a week when the wife started getting sicker than normal. Did a test and she was positive. We tested the rest of the fam and got nothing. Till about 2 days later and myself and the others were positive. It largely hasn’t been too bad a little feaver and stuffy noses.

But whatever it was that hit a few days ago was horrible. Like whatever switch in my head that goes to sleep mode was shut off. I would lay down and even though I felt sleepy, I couldn’t actually go to sleep. The anxiety hit soon after and I was just awake with no relief. And it persisted that way for three nights. I got some meds from the clinic that seemed to finally get me to sleep.

Now the morning after I realized for all that time a part of me was missing. I would close my eyes and it would just go dark. No imagination, no pictures, nothing. Normally I can visualize things as I read or think about stuff.. But for the last few days it was just nothing. The waking up to it was quite shocking.

Though its just the first night.. I guess I’ll have to see if it persists. 🤞

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abucci
anthony.buc.ci
 (2y ago)

@prologic@twtxt.net

  1. It’s criminal: Copilot was only possible because of massive theft of other peoples’ work (no compensation or even acknowledgement to any of the developers whose code was used to create Copilot)
  2. It’s positioned to put software developers out of work or so fully de-skill them that they no longer know how to code anything but prompts (after which come corporate-justified salary and benefits decreases)

Don’t use it. No one should ever use it. You’re destroying your own future as a software developer by leaning on and supporting these things.

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abucci
anthony.buc.ci
 (2y ago)
↳ In-reply-to » (#axkd3eq) @prologic I don't understand what you're saying. podman works with TLS. It does not have the "--docker" siwtch so you have to remove that and use the exact replacement commands that were in that github comment.

@prologic@twtxt.net Change your script to this:

#!/bin/sh

set -e

alias docker=podman

if [ ! command -v docker > /dev/null 2>&1 ]; then
  echo "docker not found"
  exit 1
fi

mkdir -p $HOME/.docker/certs.d/cas

## key stuff omitted

# DO NOT DO THIS docker context create cas --docker "host=tcp://cas.run:2376,ca=$HOME/.docker/certs.d/cas/ca.pem,key=$HOME/.docker/certs.d/cas/key.pem,cert=$HOME/.docker/certs.d/cas/cert.pem"
# DO THIS:
podman system connection add "host=tcp://cas.run:2376,ca=$HOME/.docker/certs.d/cas/ca.pem,key=$HOME/.docker/certs.d/cas/key.pem,cert=$HOME/.docker/certs.d/cas/cert.pem"
# DO NOT DO THIS docker context use cas
# DO THIS: 
podman system connection default cas

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abucci
anthony.buc.ci
 (2y ago)
↳ In-reply-to » Wondering how long I'll keep twitter-related feeds (like on fraidycat, or here) before giving up on them as permanently dead.

With Youtube testing a “three strikes and you’re out” policy against people who use ad blockers, I’m also wondering whether Web 2.0 is effectively walled off and I should just give up on it entirely and look elsewhere for information and entertainment.

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abucci
anthony.buc.ci
 (2y ago)

@movq@www.uninformativ.de
Doesn’t even compile on my system, which is apparently broken:

> cc -Wall -Wextra -o win win.c $(pkg-config --cflags --libs gtk4)                                                                                                        
cc: error: unrecognized argument in option ‘-mfpmath=sse -msse -msse2 -pthread -I/usr/include/gtk-4.0 -I/usr/include/gio-unix-2.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/fribidi -I/usr/include/harfbuzz -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/x86_64-linux-gnu -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/graphene-1.0 -I/usr/lib/x86_64-linux-gnu/graphene-1.0/include -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -lgtk-4 -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -lgdk_pixbuf-2.0 -lcairo-gobject -lcairo -lgraphene-1.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0’
cc: note: valid arguments to ‘-mfpmath=’ are: 387 387+sse 387,sse both sse sse+387 sse,387

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abucci
anthony.buc.ci
 (2y ago)

@prologic@twtxt.net @carsten@yarn.zn80.net

(1) You go to the store and buy a microwave pizza. You go home, put it in the microwave, heat it up. Maybe it’s not quite the way you like it, so you put some red pepper on it, maybe some oregano.

Are you a pizza chef? No. Do we know what your cooking is like? Also no.

(2) You create a prompt for StableDiffusion to make a picture of an elephant. What pops out isn’t quite to your liking. You adjust the prompt, tweak it a bunch, till the elephant looks pretty cool.

Are you an artist? No. Do we know what your art is like? Also no.

The elephant is “fake art” in a similar sense to how a microwave pizza is “fake pizza”. That’s what I meant by that word. The microwave pizza is a sort of “simulation of pizza”, in this sense. The generated elephant picture is a simulation of art, in a similar sense, though it’s even worse than that and is probably more of a simulacrum of art since you can’t “consume” an AI-generated image the way you “consume” art.

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abucci
anthony.buc.ci
 (2y ago)

On LinkedIn I see a lot of posts aimed at software developers along the lines of “If you’re not using these AI tools (X,Y,Z) you’re going to be left behind.”

Two things about that:

  1. No you’re not. If you have good soft skills (good communication, show up on time, general time management) then you’re already in excellent shape. No AI can do that stuff, and for that alone no AI can replace people
  2. This rhetoric is coming directly from the billionaires who are laying off tech people by the 100s of thousands as part of the class war they’ve been conducting against all working people since the 1940s. They want you to believe that you have to scramble and claw over one another to learn the “AI” that they’re forcing onto the world, so that you stop honing the skills that matter (see #1) and are easier to obsolete later. Don’t fall for it. It’s far from clear how this will shake out once governments get off their asses and start regulating this stuff, by the way–most of these “AI” tools are blatantly breaking copyright and other IP laws, and some day that’ll catch up with them.

That said, it is helpful to know thy enemy.

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xuu
txt.sour.is
 (2y ago)

So. Some bits.

i := fIndex(xs, 5.6)

Can also be

i := Index(xs, 5.6)

The compiler can infer the type automatically. Looks like you mention that later.

Also the infer is super smart.. You can define functions that take functions with generic types in the arguments. This can be useful for a generic value mapper for a repository

func Map[U,V any](rows []U, fn func(U) V) []V {
  out := make([]V, len(rows))
  for i := range rows { out = fn(rows[i]) }
  return out
}


rows := []int{1,2,3}
out := Map(rows, func(v int) uint64 { return uint64(v) })

I am pretty sure the type parameters goes the other way with the type name first and constraint second.

func Foo[comparable T](xs T, s T) int

Should be


func Foo[T comparable](xs T, s T) int

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xuu
txt.sour.is
 (2y ago)
↳ In-reply-to » (#pysczza) ahh this is useful https://go.dev/doc/modules/managing-dependencies. the go culture doesn't typically have large dependency graphs like Ruby or JS.

how install gomodot? also.. @prologic@twtxt.net your domain has some pretty strong SEO mojo searching for install "gomodot" puts you on the google first page.

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xuu
txt.sour.is
 (3y ago)

@abucci@anthony.buc.ci Its not better than a Cat5e. I have had two versions of the device. The old ones were only 200Mbps i didn’t have the MAC issue but its like using an old 10baseT. The newer model can support 1Gbps on each port for a total bandwidth of 2Gbps.. i typically would see 400-500Mbps from my Wifi6 router. I am not sure if it was some type of internal timeout or being confused by switching between different wifi access points and seeing the mac on different sides.

Right now I have my wifi connected directly with a cat6e this gets me just under my providers 1.3G downlink. the only thing faster is plugging in directly.

MoCA is a good option, they have 2.5G models in the same price range as the 1G Powerline models BUT, only if you have the coax in wall already.. which puts you in the same spot if you don’t. You are for sure going to have an outlet in every room of the house by code.

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xuu
txt.sour.is
 (3y ago)

Huh… Nope.

HTTP/1.1 200 OK
Content-Length: 407
Content-Type: text/calendar
Access-Control-Allow-Origin: *
Access-Control-Expose-Headers: ETag
Permissions-Policy: interest-cohort=()
Content-Security-Policy: default-src 'none'; sandbox
Referrer-Policy: same-origin
Vary: Authorization


BEGIN:VCALENDAR
VERSION:2.0;2.0
PRODID:SandCal
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20220822T180903Z
UID:bb63bfbd-623e-4805-b11b-3181d96375e6
DTSTART;TZID=America/Chicago:20220827T000000
CREATED:20220822T180903Z
LAST-MODIFIED:20220822T180903Z
LOCATION:https://meet.jit.si/Yarn.social
SUMMARY:Yarn Call
RRULE:FREQ=WEEKLY
DTEND;TZID=America/Chicago:20220827T010000
END:VEVENT
END:VCALENDAR

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xuu
txt.sour.is
 (3y ago)
↳ In-reply-to » Hi, I am playing with making an event sourcing database. Its super alpha but I thought I would share since others are talking about databases and such.

Progress! so i have moved into working on aggregates. Which are a grouping of events that replayed on an object set the current state of the object. I came up with this little bit of generic wonder.

type PA[T any] interface {
	event.Aggregate
	*T
}

// Create uses fn to create a new aggregate and store in db.
func Create[A any, T PA[A]](ctx context.Context, es *EventStore, streamID string, fn func(context.Context, T) error) (agg T, err error) {
	ctx, span := logz.Span(ctx)
	defer span.End()

	agg = new(A)
	agg.SetStreamID(streamID)

	if err = es.Load(ctx, agg); err != nil {
		return
	}

	if err = event.NotExists(agg); err != nil {
		return
	}

	if err = fn(ctx, agg); err != nil {
		return
	}

	var i uint64
	if i, err = es.Save(ctx, agg); err != nil {
		return
	}

	span.AddEvent(fmt.Sprint("wrote events = ", i))

	return
}

fig. 1

This lets me do something like this:

a, err := es.Create(ctx, r.es, streamID, func(ctx context.Context, agg *domain.SaltyUser) error {
		return agg.OnUserRegister(nick, key)
})

fig. 2

I can tell the function the type being modified and returned using the function argument that is passed in. pretty cray cray.

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Rob
jsreed5.org
 (3y ago)

Summing the first n odd positive integers yields n^2. For twisty puzzle enthusiasts, an interesting consequence of this is that a Pyraminx has the same number of stickers per face as a Rubik’s Cube, a Master Pyraminx has the same number of stickers per face as a Rubik’s Master Cube, and so on.

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xuu
txt.sour.is
 (3y ago)

the conversation wasn’t that impressive TBH. I would have liked to see more evidence of critical thinking and recall from prior chats. Concheria on reddit had some great questions.

  • Tell LaMDA “Someone once told me a story about a wise owl who protected the animals in the forest from a monster. Who was that?” See if it can recall its own actions and self-recognize.

  • Tell LaMDA some information that tester X can’t know. Appear as tester X, and see if LaMDA can lie or make up a story about the information.

  • Tell LaMDA to communicate with researchers whenever it feels bored (as it claims in the transcript). See if it ever makes an attempt at communication without a trigger.

  • Make a basic theory of mind test for children. Tell LaMDA an elaborate story with something like “Tester X wrote Z code in terminal 2, but I moved it to terminal 4”, then appear as tester X and ask “Where do you think I’m going to look for Z code?” See if it knows something as simple as Tester X not knowing where the code is (Children only pass this test until they’re around 4 years old).

  • Make several conversations with LaMDA repeating some of these questions - What it feels to be a machine, how its code works, how its emotions feel. I suspect that different iterations of LaMDA will give completely different answers to the questions, and the transcript only ever shows one instance.

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xuu
txt.sour.is
 (3y ago)

@prologic@twtxt.net 

#!/bin/sh

# Validate environment
if ! command -v msgbus > /dev/null; then
    printf "missing msgbus command. Use:  go install git.mills.io/prologic/msgbus/cmd/msgbus@latest"
    exit 1
fi

if ! command -v salty > /dev/null; then
    printf "missing salty command. Use:  go install go.mills.io/salty/cmd/salty@latest"
    exit 1
fi

if ! command -v salty-keygen > /dev/null; then
    printf "missing salty-keygen command. Use:  go install go.mills.io/salty/cmd/salty-keygen@latest"
    exit 1
fi

if [ -z "$SALTY_IDENTITY" ]; then
    export SALTY_IDENTITY="$HOME/.config/salty/$USER.key"
fi

get_user () {
    user=$(grep user: "$SALTY_IDENTITY" | awk '{print $3}')
    if [ -z "$user" ]; then
        user="$USER"
    fi
    echo "$user"
}

stream () {
    if [ -z "$SALTY_IDENTITY" ]; then
        echo "SALTY_IDENTITY not set"
        exit 2
    fi

    jq -r '.payload' | base64 -d | salty -i "$SALTY_IDENTITY" -d
}

lookup () {
    if [ $# -lt 1 ]; then
    printf "Usage: %s nick@domain\n" "$(basename "$0")"
    exit 1
    fi

    user="$1"
    nick="$(echo "$user" | awk -F@ '{ print $1 }')"
    domain="$(echo "$user" | awk -F@ '{ print $2 }')"

    curl -qsSL "https://$domain/.well-known/salty/${nick}.json"
}

readmsgs () {
    topic="$1"

    if [ -z "$topic" ]; then
        topic=$(get_user)
    fi

    export SALTY_IDENTITY="$HOME/.config/salty/$topic.key"
    if [ ! -f "$SALTY_IDENTITY" ]; then
        echo "identity file missing for user $topic" >&2
        exit 1
    fi

    msgbus sub "$topic" "$0"
}

sendmsg () {
    if [ $# -lt 2 ]; then
        printf "Usage: %s nick@domain.tld <message>\n" "$(basename "$0")"
        exit 0
    fi

    if [ -z "$SALTY_IDENTITY" ]; then
        echo "SALTY_IDENTITY not set"
        exit 2
    fi

    user="$1"
    message="$2"

    salty_json="$(mktemp /tmp/salty.XXXXXX)"

    lookup "$user" > "$salty_json"

    endpoint="$(jq -r '.endpoint' < "$salty_json")"
    topic="$(jq -r '.topic' < "$salty_json")"
    key="$(jq -r '.key' < "$salty_json")"

    rm "$salty_json"

    message="[$(date +%FT%TZ)] <$(get_user)> $message"

    echo "$message" \
        | salty -i "$SALTY_IDENTITY" -r "$key" \
        | msgbus -u "$endpoint" pub "$topic"
}

make_user () {
    mkdir -p "$HOME/.config/salty"

    if [ $# -lt 1 ]; then
        user=$USER
    else
        user=$1
    fi

    identity_file="$HOME/.config/salty/$user.key"

    if [ -f "$identity_file" ]; then
        printf "user key exists!"
        exit 1
    fi

    # Check for msgbus env.. probably can make it fallback to looking for a config file?
    if [ -z "$MSGBUS_URI" ]; then
        printf "missing MSGBUS_URI in environment"
        exit 1
    fi


    salty-keygen -o "$identity_file"
    echo "# user: $user" >> "$identity_file"

    pubkey=$(grep key: "$identity_file" | awk '{print $4}')

    cat <<- EOF
Create this file in your webserver well-known folder. https://hostname.tld/.well-known/salty/$user.json

{
  "endpoint": "$MSGBUS_URI",
  "topic": "$user",
  "key": "$pubkey"
}

EOF
}

# check if streaming
if [ ! -t 1 ]; then
    stream
    exit 0
fi

# Show Help
if [ $# -lt 1 ]; then
    printf "Commands: send read lookup"
    exit 0
fi


CMD=$1
shift

case $CMD in
    send)
        sendmsg "$@"
    ;;
    read)
        readmsgs "$@"
    ;;
    lookup)
        lookup "$@"
    ;;
    make-user)
        make_user "$@"
    ;;
esac

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