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kbin.life

Melonpoly , to science_memes in Breast Cancer

Can’t pigeons do the same thing?

Klear , to patientgamers in What have you been playing this week?

C&C: Tiberian Sun. Damn, that game still looks great.

EddyNottingham ,

Me too! So stoked to be playing it again.

Klear ,

One tip for the final Nod mission I would have wanted to know before playing it - the game tells you that you have time until the GDI station makes three orbits and then gives you an hour timer. I was running out of time and made a despearate push for the final objective with just seconds remaining and then… another hour timer started. You have 3 hours to beat that map, I thought it was just the one =/

It’s the finale where you have all the toys and get to play with the enemy in any way you want. Don’t make the same mistake as me and rush through it, you can take your time.

EddyNottingham ,

Oh wow, thank you for the tip! Knowing that will make my playthrough more enjoyable ♥️

TheBigBrother , to asklemmy in What is the difference between a man and a parasite?

Read Animal Farm by George Orwell and you will know the difference.

NuraShiny , to science_memes in Basic

Post this to stormfront as a political compass meme

Sam_Bass , to asklemmy in What has been the worst church service you have ever attended?

When i was six i had to sit in my own poop for an hour long sermon because nobody would let me get up to go. Course they also had to sit in it with no reaction heh

DreitonLullaby ,

That is outright neglect. That level of strictness is just ridiculous. If they really wanted you to sit and listen, and take the sermon seriously, you certainly can’t do that while sitting on a turd, while also having the attention span and understanding of a six-year-old.

bizarroland ,

Learning about Jesus while your underpants are full of poop is a good way to make a negative association.

Raverbunny ,

Seeing that religion is generally full of shit, I find some irony in this scenario.

Sam_Bass , (edited )

Yeah the 60s were a different world heh

Blaster_M , to linux in The least happy computer users: Those running Arch Linux & Firefox

Looks like I need to consider flipping back to Debian again… it’s always beeen a Stable relationship…

LeFrog , to science_memes in Basic
@LeFrog@discuss.tchncs.de avatar

ELI5 plz

FiskFisk33 ,

a base is in a sense the opposite of an acid.

They dropped a chemical that is “anti acidic”

BestBouclettes ,

Any base that could be dangerous enough to have to evacuate a building? When thinking about bases, I’m thinking bleach

MeowZedong ,
@MeowZedong@lemmygrad.ml avatar

tert-butyl lithium. Ignites on contact with air. Often used in conjunction with flammable solvents, so large fires and explosions are possible when working with large enough quantities.

As far as safety SOPs go, nearly any chemical spill of a large enough quantity warrants evacuating the area in my chemical safety plans. For some institutions, this is as little as 1 liter or 500g of material. This can obviously be overkill if you spill something that is relatively inert and non-toxic such as water or NaCl.

BestBouclettes ,

Very nice, thanks for the reply!

booty ,
@booty@hexbear.net avatar

spilling a bottle of water in my house: aw shit better get the mop

spilling a bottle of water in the lab: aw shit now we gotta evacuate and call in the chemical spill guys

MeowZedong ,
@MeowZedong@lemmygrad.ml avatar

I prefer to flood the entire lab if I’m going to make a scheme. Time to use the chemical shower with no drain!

shneancy ,

i’m not a chemist so take my words with a grain of salt -

google says the most dangerous bases can cause skin and eye damage, and be very flammable if they were to dissolve aluminium (two different chemicals). So I guess worst case scenario you open the windows, lock the room, and come back with protective equipment to clean up your mess

you probably wouldn’t handle something, that if dropped, would be dangerous enough to need a whole building evacuated outside of a dedicated room without wearing a full hazman suit and adhering to additional 100 precautions and safety measures

unless you’re the sort of guy to use a screwdriver to play with the demon core, but that’s not a liquid chemical base and hopefully won’t happen again

tacosanonymous ,

You’d probably do the work under a hood too.

_edge ,

Only when there are guest in the lab

MeowZedong ,
@MeowZedong@lemmygrad.ml avatar

you probably wouldn’t handle something, that if dropped, would be dangerous enough to need a whole building evacuated outside of a dedicated room without wearing a full hazman suit and adhering to additional 100 precautions and safety measures

You underestimate academia.

Also, going through the old chemicals of some academic labs can lead to having the bomb squad called because they didn’t dispose of an unstable reagent 30 years ago.

grue , (edited )

BRB, looking up the pH of chlorine triflouride

Edit: Turns out it reacts explosively with water (so it itself can’t form the aqueous solution necessary for the concept of pH to be applicable) and decomposes into two different strong acids (hydrofluoric acid and hydrochloric acid). So yeah, not a candidate for our mystery base.

marcos ,

Yes, this is the kind of substance that would promptly react to protons, what would be a base-like behavior if it also didn’t promptly react to hydroxyl, what would be an acid-like behavior.

But given that it will consistently turn water into plasma, I guess it technically has a PH of 0.

flora_explora ,

I was curious as well and in this article the only mention of dangerous bases is tert-Butyl lithium (“t-BuLi is very pyrophoric, it readily reacts with air catching fire, that’s why it has to be handled and stored with very special care, always under a protective inert atmosphere of pure nitrogen or argon”). But in that case you couldn’t just drop it on the ground outside of a vent?

apotheotic , to linux in The least happy computer users: Those running Arch Linux & Firefox

I guess the nixos users were all too busy asking everyone if they’ve heard of nixos to answer the survey?

BTW have you heard of nixos?

QuizzaciousOtter , to science_memes in Pandas

Is 600 MB a lot for pandas? Of course, CSV isn’t really optimal but I would’ve sworn pandas happily works with gigabytes of data.

gigachad ,

I guess it’s more of a critique of how bad CSV is for storing large data than pandas being inefficient

zaphod ,

CSV is not optimal, but then someone shows up and gives you 60GB of JSON instead of 600MB of CSV.

Diplomjodler3 ,

Why do you have to personally attack me like that?

naught ,

Or they dump their entire 6gb SQL database, customer info and all, into a SQL file that you have to load into a mariadb docker container when you just needed a subset that you were going to turn into csv anyway ☺️

ikilledlaurapalmer ,

Fine! .csv.gz ftw!

tequinhu ,

It really depends on the machine that is running the code. Pandas will always have the entire thing loaded in memory, and while 600Mb is not a concern for our modern laptops running a single analysis at a time, it can get really messy if the person is not thinking about hardware limitations

naught ,

Pandas supports lazy loading and can read files in chunks. Hell, even regular ole Python doesn’t need to read the whole file at once with csv

tequinhu ,

I didn’t know about lazy loading, that’s cool!

Then I guess that the meme doesn’t apply anymore. Though I will state that (from my anedoctal experience) people that can use Panda’s most advanced features* are also comfortable with other data processing frameworks (usually more suitable to large datasets**)

*Anything beyond the standard groupby - apply can be considered advanced, from the placrs I’ve been

**I feel the urge to note that 60Mb isn’ lt a large dataset by any means, but I believe that’s beyond the point

MoonHawk ,

What do you mean not optimal? This is quite literally the most popular format for any serious data handling and exchange. One byte per separator and newline is all you need. It is not compressed so allows you to stream as well. If you don’t need tree structure it is massively better than others

QuizzaciousOtter ,

I think portability and easy parsing is the only advantage od CSV. It’s definitely good enough (maybe even the best) for small datasets but if you have a lot of data you need a compressed binary format, something like parquet.

elmicha ,

But which separator is it, and which line ending? ASCII, UTF-8, UTF-16 or something else? What about quoting separators and line endings? Yes, there is an RFC, but a million programs were made before the RFC and won’t change their ways now.

Also you can gzip CSV and still stream them.

merari42 ,

Have you heard that there are great serialised file formats like .parquet from appache arrow, that can easily be used in typical data science packages like duckdb or polars. Perhaps it even works with pandas (although do not know it that well. I avoid pandas as much as possible as someone who comes from the R tidyverse and try to use polars more when I work in python, because it often feels more intuitive to work with for me.)

driving_crooner ,
@driving_crooner@lemmy.eco.br avatar

I used to export my pandas DataFrames as pickles, but decided to test parquet and it was great. It was like 10x smaller and allowed me to had the the databases on a server directory instead of having to copy everything to the local machine.

candyman337 ,

If you have a csv bigger than like 500mb you need more than 8gb of ram to open it

HappyFrog ,

Wait till you hear about WSV

marcos ,

Is 600 MB a lot for pandas?

No, but it’s easy to make a program in Python that doesn’t like it.

QuizzaciousOtter ,

Oh, I know, believe me. I have some painful first-hand experience with such code.

mvirts ,

It’s more likely you’ll eat up storage when you read a 600mb parquet and try to write it as CSV.

QuizzaciousOtter ,

I mean, yeah, that’s the point of compression. I don’t quite get what you mean by that comment.

mvirts ,

Ah I was trying to point out that CSV is the inefficient format. Reading a large amount of data from a more efficient format like parquet is more likely to cause trouble because the memory required can be more than the file size. CSV is the opposite where it will almost always use more disk space than is required to represent the data in memory.

QuizzaciousOtter ,

Right, true!

jeena , to science_memes in Engineers vs Physicists
@jeena@piefed.jeena.net avatar

My first thought was which one is which?

TheGrandNagus , to linux in The least happy computer users: Those running Arch Linux & Firefox

I’m immensely sceptical of anything that comes from Lunduke.

I don’t really know what happened to him but he went kinda nuts.

pH3ra ,
@pH3ra@lemmy.ml avatar

Yeah, he was already on a weird path but after Covid he went down really hard.
I hope he will seek help and get better

SexualPolytope ,
@SexualPolytope@lemmy.sdf.org avatar

Nicco Loves Linux made a pretty interesting video on him a month-ish ago. You might enjoy it if you’ve known Lunduke since when he was still nice.

Edit: Link to the video

TheGrandNagus ,

This seemed interesting to me, so I prepared a cup of tea, sat down to watch, then quickly realised I’ve already seen this before, oops 😅

Thanks for the link regardless, I’m sure others are seeing it for the first time

SexualPolytope ,
@SexualPolytope@lemmy.sdf.org avatar

Lol. Hope you found something else to enjoy with the tea.

myersguy ,

Thanks for the link! I was trying to figure out the Lunduke complaints (I don’t know if I’ve ever heard of this guy before). This video did a solid job of catching me up.

smackjack ,

I used to enjoy listening to him on YouTube simply because he didn’t yell in his videos like every other YouTuber. He had a bit of a Bob Ross vibe to him, but then he went off the deep end.

Engywuck , to linux in The least happy computer users: Those running Arch Linux & Firefox

That’s why I use Arch but avoid Firefox. Balance is the key.

FatLegTed ,
@FatLegTed@piefed.social avatar

What would you recommend instead of Firefox?

Engywuck ,

I’m done recommending stuff, because my use case is not necessarily your use case. I can only tell you that Brave is the sweet spot for me, at the moment.

FatLegTed ,
@FatLegTed@piefed.social avatar

I get what you mean, we all have different requirements, didn't expect Brave, though. It's getting a lot of flak lately.

Thanks anyway; -)

wizzor , to science_memes in Booper 2 Pooper

My only question is, why are only amphibians measured this way?

halykthered ,
@halykthered@lemmy.ml avatar

Perhaps their tails are easily or often damaged?

So measuring from full fore to aft might give inconsistent results among other similar variables for the examined species, such as location, age, and weight. Going booper to pooper might give more reliable data, if the tails are often snipped at the tip by other reptiles, predators, disease, rogue mohels, swamp boat propellers, or hastily closed doors.

This is my best guess, I’m not lizardologist or a measuresmith.

memfree ,

I’m also not an expert, but that was my thought, too.

More than that, even if a tail is undamaged, including it is not giving useful imformation because tail size can vary out of proportion to the main body and is pretty standard for other animals as well. For example, no one is measuring a horse to include the tail length, nor a dog, cat, and generally not a bird, either.

That said, I expect an news story about alligators on the golf course or catching invasive snakes to measure the whole body for the NEWS story and let the experts worry about the booper2pooper length in their own space.

dingus ,

I mean, it’s not the exact same, but human fetuses can be measured similarly with a “crown to rump” length. I have to notate this in my reports (but I include other measurements too like hand/foot length and “crown to heel” length).

anzo , to science_memes in Pandas

pola.rs enters the chat…

troyunrau ,
@troyunrau@lemmy.ca avatar

Hell, depending on what you’re doing, reading it into a numpy array instead of a panda dataframe will yeild huge performance gains too.

Been meaning to try polars… Haven’t had a good excuse yet :)

MajorHavoc , to linux in The least happy computer users: Those running Arch Linux & Firefox

The real data point here is that Skackware users are happy.

I suspect it’s because they’ve mastered the art of not giving a fuck.

superkret OP ,

Yeah, that’s pretty spot on.

zurohki ,

Slackware just does as it’s told and gets out of the way.

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