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/tech/ - Technology

"Technology reveals the active relation of man to nature" - Karl Marx
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File: 1608526364816.jpg (22.03 KB, 296x190, 1472049407749.jpg)

 No.5657[Reply]

I recently gotten myself on some books on how to do Java Script again. I came here today to ask what is the programming languages that are worth learning.

Because I think that people still use Java Script but not as nearly as much as other programs. I want to do this on my off time as I look for a job again. That way I can just have something useful other than my knowledge of historic events and wanting to preserve the artifacts.
18 posts omitted. Click reply to view.

 No.5744

>>5743
dont believe this man, probably a LIBTARD

 No.5746

>>5744
cope

 No.5758

>>5742
also the setup necessary to get javascript running is minimal.
to get C compiling? lol. good luck.

 No.10857

File: 1630015109080.png (590.53 KB, 1934x1027, paradigmsDIAGRAMeng108.png)

> A language that doesn’t affect the way you think about programming, is not worth knowing.
Think about this the next time your are choosing a language to learn. It's worth knowing at least one language of the big paradigms: Prolog, Smalltalk, SML, Pascal, etc.

 No.10943

>>5657
Learn Forth, Fortran and APL
These languages get you a fuckton of money but nobody knows that



File: 1630313109332.jpg (24.42 KB, 1200x800, Substack.jpg)

 No.10926[Reply]

Hi tech, I run the site New Multitude which often features contributions from leftypollers.

Currently the site is run on a wordpress site that I had someone on fiverr build for me. It's ok, but I kinda want to streamline things and not have to worry about the site. I also want to transition the site to more high quality articles, and put quality above quantity. For these purposes, substack seems like a good deal? I wouldn't have any paywalls and I believe substack lets you use it for free too? I also kinda think that i terms of 'branding' the .substack url is a good one these days


Before I make the switch though, does anyone here want to dissuade me or suggest alternatives?

 No.10931

>>10926
get in contact with the leftypol.org tech team in the matrix chat, they can probably give better advice

 No.10934

Sounds like a fad that will fade soon. If you don't have any issues with the current wordpress it is probably not worth switching.



 No.10892[Reply]

How do we improve modern cargo trains
6 posts omitted. Click reply to view.

 No.10900

>>10898
you are missing the most important advantage of electrifying rail, you can put a relatively simple computer into a rail-car add a small motor and voila , you can send individual rail cars over the rail network like it's a tcp/ip packet. Putting a slightly more sophisticated computer into the rail-track switch, to automatically rout the rail cars is simple enough. It's a little tougher to get good security but if you make the auto-packet-cars small enough they won't do much damage nor kill anybody if they crash into a regular train, but they will help get much higher value out of the tracks and existing infrastructure.

 No.10901

My impression from reading the local railway workers' magazine was that the main issue with rail transport, at least where I live, are the rails themselves. You can buy new, more powerful engines, but they are worthless if your lines are in disrepair and you can't go safely faster than 60 km/h. Take a look at the max speeds on this map: https://www.openrailwaymap.org/

 No.10910

we should split the trains into small individual carts or "pods", put them in a near vacuum tube and making them really fast and with RGB lights that would be cool i tihnk

 No.10911

File: 1630250962931.jpg (43.65 KB, 992x235, hyperlon.jpg)

>>10910
maybe we could connect multiple pods together, shrink the tube until it's 2 metal strips on the ground and roll with it

 No.10912

>>10910
Even better let's make a company called virgin, take a failed design off the british government in the 80s and call it "virgin hyperloop"



File: 1629844996454.jpg (942.35 KB, 1242x1394, 1626936911213.jpg)

 No.10824[Reply]

What are some good file hosting/sharing services in terms of OPSEC? I don't want to use Google Docs or any of their services for obvious reasons so I would like to hear anonymous opinions rather than some website that might be biased towards one service or another over financial reasons.

I'm mainly asking because the file limit here is too small for me.
3 posts omitted. Click reply to view.

 No.10841

>What are some good file hosting/sharing services in terms of OPSEC?
This sentence literally doesn't make sense.
What's your threat model?

 No.10861

>>10826
if you care about OPSEC you shoud stick to onionshare

 No.10879

>>10841
>What's your threat model?
Everything.

 No.10880

>>10879
<What's your threat model?
>Everything.

⣿⣿⣿⣿⣿⣿⣿⣿⡿⠿⠛⠛⠛⠋⠉⠈⠉⠉⠉⠉⠛⠻⢿⣿⣿⣿⣿⣿⣿⣿
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⣿⣿⣟⣾⣿⡟⠁⠀⠀⠀⠀⠀⢀⣾⣿⣿⣿⣿⣿⣷⢢⠀⠀⠀⠀⠀⠀⠀⢸⣿
⣿⣿⣿⣿⣟⠀⡴⠄⠀⠀⠀⠀⠀⠀⠙⠻⣿⣿⣿⣿⣷⣄⠀⠀⠀⠀⠀⠀⠀⣿
⣿⣿⣿⠟⠻⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠶⢴⣿⣿⣿⣿⣿⣧⠀⠀⠀⠀⠀⠀⣿
⣿⣁⡀⠀⠀⢰⢠⣦⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⣿⣿⣿⣿⣿⡄⠀⣴⣶⣿⡄⣿
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⣿⣿⠋⢀⡌⢰⣿⡿⢿⡀⠀⠀⠀⠀⠀⠙⠿⣿⣿⣿⣿⣿⡇⠀⢸⣿⣿⣧⢀⣼
⣿⣿⣷⢻⠄⠘⠛⠋⠛⠃⠀⠀⠀⠀⠀⢿⣧⠈⠉⠙⠛⠋⠀⠀⠀⣿⣿⣿⣿⣿
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 No.10881

>>10880

⣿⣿⣿⣿⣿⣿⣿⣿⡿⠿⠛⠛⠛⠋⠉⠈⠉⠉⠉⠉⠛⠻⢿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⡿⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⢿⣿⣿⣿⣿
⣿⣿⣿⣿⡏⣀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣤⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣿⣿
⣿⣿⣿⢏⣴⣿⣷⠀⠀⠀⠀⠀⢾⣿⣿⣿⣿⣿⣿⡆⠀⠀⠀⠀⠀⠀⠀⠈⣿⣿
⣿⣿⣟⣾⣿⡟⠁⠀⠀⠀⠀⠀⢀⣾⣿⣿⣿⣿⣿⣷⢢⠀⠀⠀⠀⠀⠀⠀⢸⣿
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⣿⣿⣿⠟⠻⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠶⢴⣿⣿⣿⣿⣿⣧⠀⠀⠀⠀⠀⠀⣿
⣿⣁⡀⠀⠀⢰⢠⣦⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⣿⣿⣿⣿⣿⡄⠀⣴⣶⣿⡄⣿
⣿⡋⠀⠀⠀⠎⢸⣿⡆⠀⠀⠀⠀⠀⠀⣴⣿⣿⣿⣿⣿⣿⣿⠗⢘⣿⣟⠛⠿⣼
⣿⣿⠋⢀⡌⢰⣿⡿⢿⡀⠀⠀⠀⠀⠀⠙⠿⣿⣿⣿⣿⣿⡇⠀⢸⣿⣿⣧⢀⣼
⣿⣿⣷⢻⠄⠘⠛⠋⠛⠃⠀⠀⠀⠀⠀⢿⣧⠈⠉⠙⠛⠋⠀⠀⠀⣿⣿⣿⣿⣿
⣿⣿⣧⠀⠈⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠟⠀⠀⠀⠀⢀⢃⠀⠀⢸⣿⣿⣿⣿
⣿⣿⡿⠀⠴⢗⣠⣤⣴⡶⠶⠖⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡸⠀⣿⣿⣿⣿
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File: 1629871806065.png (1.85 MB, 1920x1152, fuck webp.png)

 No.10829[Reply]

What's /tech/'s opinion on electric vehicles (EV)?
I want to be excited about them but capitalism has made me weary about tech progress and I fear what could porky do to ruin EVs, like putting DRM on them or something.
Otherwise they're really cool and I'd enjoy a thread about them.
9 posts and 4 image replies omitted. Click reply to view.

 No.10843

>>10833
>vehicles design matters more than what it's powered by
And this is why filter technology for ICEs makes emitting as much CO2 as during the production process of Li-Ion batteries near impossible. Vehicle emission regulations are also easier to enforce, than emissions during battery production.
Sadly car manufacturers try to circumvent these anyway and now the most vocal persons of my country think of ICEs and especially diesel motors (even though these emit the least with a standard filter) as "dirty". The state is now in the perfect position to pump car manufacturers full of money for research on EVs and graciously "lure in" EV manufacturers from the USA under the guise of "climate justice".

I'm surprised no one mentioned the safety implications of lithium batteries. By design they offer "less flammable material" than gasoline, yet defective design enabling heat runoff frequently leads them to spontaneously catch on fire https://en.wikipedia.org/wiki/Plug-in_electric_vehicle_fire_incidents

 No.10847

>>10833
Best take in this thread so far, I would also add that lithium batteries are notorious for having fires that are extremely hard to put out

 No.10851

>>10839
I've always assumed that the Bolivian coup was about the CIA simply stomping on leftists in general out of habit, rather than a plan with a specific goal.

 No.10854

File: 1630010418172.jpg (23.64 KB, 539x379, EksIy3aW0AEIsK-.jpg)

>>10851
Nah, elon musk openly stated his influence in the country and what his intentions were. fucking sickening man

 No.10874

I wish I hadn't made this thread before reading about other alternative fuels. Right now I'm fascinated with natural gas vehicles, they were widely promoted in my country and supposedly there are lots of them in circulation but because most of them are conversions they're invisible unlike electric cars. In the end natural gas is not much of an improvement, it still has significant CO2 emissions and it's so dangerous and awkward to install that natural gas motorcycles are a pipe dream, vid related is a natural gas motorcycle and it's just so awkward to even look at it and because it only has a small tank it probably can't go too far and if you get in a crash it'll explode, what a disappointment.



File: 1629411643921.png (40.96 KB, 1080x842, LMAO_PHP.PNG)

 No.10756[Reply]

Can someone explain to me why pic related is a feature in PHP? I feel like an insane person saying variable variables.
1 post omitted. Click reply to view.

 No.10758

>>10757
>>10757
Pretty sure PHP also has a means by which you can transfer a reference of a variable with &

 No.10770

It's so you don't have to implement your own hash table.

 No.10771

>web development
>useful technology

 No.10780

Maybe it was a side effect of how PHP used to work and they decided to turn it into a feature. You would have to look into its history to figure out when and why was added.

 No.10837

>>10780
The purpose of variable variables is making your code harder to read and prone to hilarious bugs, so you're figuratively holding your employer at gunpoint and they can't fire you.



File: 1628429077559-0.jpg (43.27 KB, 1000x631, nuclear spacetug1.jpg)

File: 1628429077559-1.jpg (76.14 KB, 1024x511, nuclear spacetug2.jpg)

File: 1628429077559-2.jpg (29.25 KB, 730x423, nuclear spacetug3.jpg)

 No.10628[Reply]

Russia is building a new spaceship they call Zeus, it's made by Roscosmos and it's a nuclear powered space tug.
It uses a regular chemical first-stage booster for going to orbit, but once in space they say it will be very fast and out run anything using chemical thrusters. Apparently Russia never stopped working on space reactors, and they do seem to be on track for meeting their timeline to get this thing operational in 2030. It's apparently meant to out-compete Spacex starship in interplanetary travel in speed and cost. It's not a direct nuclear propulsion it's a nuclear reactor powering a plasma thruster, so it's less hardcore than direct nuclear propulsion like an Orion-drive but it's also more realistic that it will actually take flight.

Does anybody know how well this will work ?
6 posts and 1 image reply omitted. Click reply to view.

 No.10815

Anon nuclear rockets have existed since we've had nuclear power. the main drawback to nuclear powered rockets is heat tolerance. The thing about rocket engines is, well they're really fucking hot like thousands of degrees hot as predominantly air and hydrogen molecules are moving at extremely fast speeds, this often times means that speed can be so high that the diffused heat can pour into the engine itself leading to the engine just well heating up until it's broken causing explosions as all the energy in the rocket is released at once. Modern nuclear rockets can tolerate heats of up to 6000 degrees but that also means the risk of a rocket randomly exploding is 1 in a 100, to give you an idea of how dangerous that is a conventional plane used to transport civilians from country to country has a chance of exploding of 1 in 4 500 000.

 No.10821

>>10815
Is there really such a big risk of explosions ? If there is, wouldn't it be logical to use a nuclear pulse propulsion that already uses explosions during normal operation ? That way explosions won't be a big deal because it's designed for it.

If you have such a problem, you can either add more safety systems to try to minimize the risk, or go into the opposite direction and design the system to make use of what causes the problem.

 No.10822

>>10821
>Is there really such a big risk of explosions ?
Spaceships cost billions simply to assemble having a risk factor that high is gonna cut into budgets
>nuclear pulse propulsion
That still requires gaseous substances moving at speeds high enough to create massive amounts of heat, and that heat needs travel through the engine and be ejected to create thrust. Anon building an entirely new engine isn't a solution, building something that can contain and diffuse all that heat is one like having a container of water be boiled by the thrusters before being cooled again by having that water's heat diffuse into the igniters turning back into liquid, but finding a contraption that would do that would be costly and likely take alot of experimentation since this is a rocket not a vehicle were talking about here

 No.10823

>>10822
>That still requires gaseous substances moving at speeds high enough to create massive amounts of heat, and that heat needs travel through the engine and be ejected to create thrust.
No it doesn't, nuclear pulse propulsion drops little hydrogen bombs out the back of a space ship which then explode behind the vessel. The little bombs are shaped charges that eject most of the shock-wave against a pusher plate on the back of the ship. That pusher plate is a kind of suspension that reduces the shock of the explosions and turns kinetic pulses into mostly linear acceleration. The plate also acts as a massive shield that protects the ship from nuclear explosions. There is no internal drive system other that a little bomb ejection system.

 No.10828

File: 1629869116552.gif (2.46 MB, 320x320, 1629420775452.gif)

>>10823
>it doesnt need gas it just needs super heated hydrogen molecules



File: 1629577189321.png (42.62 KB, 720x1498, how would it work.png)

 No.10775[Reply]

How would a nuclear fission battery work?

 No.10776

Not practical, what you have is nuclear decay batteries (radioisotope generator) where unstable radioactive elements provide heat and electricity as they decay into a more stable substance.

 No.10777

>>10775
>nuclear fission battery
beta cells already exist

 No.10778

>>10777
>>10776
What you guys are describing is using the natural decay of a substance as fuel for a nuclear battery. What I'm referring to is the direct transfer of electrons through the collisions of particles

 No.10779

File: 1629626315338.jpg (50.49 KB, 1200x800, nuclear battery.jpg)

>>10778
If you want more than just isotope decay and instead want something that has a sustained fission reaction you are talking about a miniaturized nuclear reactor. The really small ones that fit inside a shipping container which aim to be set and forget (for about a decade) also are sometimes called nuclear batteries. Is that what you mean ?

 No.10781

>>10779
Yeah thanks



 No.10759[Reply]

Would you support technology programmed with a motive and attitude that is highly related to marxism-leninism? Hypothetical: Creating a program that would make planning easy for the worker – collecting data (from searx) only to seed it as a torrent… I could also go for one based on collective reflexology. The collective without inhibiting influences could be met with the access to information.
5 posts and 1 image reply omitted. Click reply to view.

 No.10765

>>10762
Well to answer the idea, I've done archivist work using bots. It's based as fuck. I'm totally in support.

Not me but peak comfy. https://the-eye.eu/public/Random/ytarchiving_1.mp4

 No.10766

>>10764
>ok what information specifically are you talking about ?
By information I mean the power of organization acquired through deep learning – businesses have this with money in mind but not the revolutionary proletariat…

>i'm guessing this isn't about pressure points on your feet, you got a pdf of that book ?


Unfortunately no. The PDF is fifty fucking bucks, and hard copy is about 152$. I bought the hard copy before the price skyrocketted. This is because of Amazon's nature though.

 No.10767

>>10765
Nice :o

 No.10768

>>10766
Ok so machine learning for the proletariat, that sounds good but, I'm not sure what you mean with this concretely.
>hundredfifty bucks
Is the Bezos book store price gouging ? Or are they doing this to prevent the book from being sold ?

 No.10769

>>10768
Not sure. I might type one up myself…



File: 1608526235974.png (250.14 KB, 2331x2400, hammer-keyboard-2.png)

 No.4492[Reply]

38 posts and 4 image replies omitted. Click reply to view.

 No.6195

>>5769
Holy shit we got the next Sherlock Holmes here.

 No.8986

>>5768
>What's really funny and contradictory is that without capitalism you wouldn't have the hardware or internet to post or host this project from
>what is ussr computers

 No.9014

>>5768
All that technology was developed by dynamic public and state sector research, Capitalism doesn't create technology it just sell's it.

 No.10729

did this die

 No.10730

You guys should do away with the soviet/communist aesthetics and just call it a democracy app… communism at the end of the day is true democracy. it will make it palatable to the brainwashed sheep.



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