- cross-posted to:
- programmer_humor@programming.dev
- cross-posted to:
- programmer_humor@programming.dev
Inspired by a recent 196 post
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Wasn’t there more to this interaction?
Yes
What a chief
Roger Freedman looks exactly how I was expecting the writer of a physics textbook to look
This book…I read the whole thing, did most of the problems, and still don’t know a thing about abstract algebra.
Pfffft….
Amateurs!
Big guy with a club:
Ah, the illusive
I see someone finally embraced the fact that C++ templates are Turing-complete and you don’t really need much of the rest.
Some people thought too much if they could, and not enough if they should.
/j 😁
Josuttis’s books are normally pretty good, lots of examples and a clear explanation of why you might want to use something, but oof that looks akin to a kick in the essentials.
Even if you’ve no other reason to update to C++20, the fact that
if constexprgets rid of half the things you’d previously need to use SFINAE for, and concepts gets rid of the other half, makes it well worthwhile. Amazing how much it stops hurting when you stop doing ridiculous things.C++ 20? I had to learn and do template metaprogramming on gcc 4.8 😭😭😭
The book is a good book though.
That book looks as old as the language itself
Template metaprogramming (with the variadic function) is like from the late seventies IIRC… Older than C++!
Well, people might argue about the definition but the idea has been around some fair time …
I noped the fuck out of that course. I’m sure it’s super interesting and rewarding, but I just couldn’t take it mentally at the time.
Oh, The Kittel… one does not survive ethically to solid state physics
I remember algebra. x = 2 and all that jazz. Letters and numbers mixed all willy-nilly. Surely the “commutative” part can’t make it much worse.
Ew Java
For anyone who doesn’t know, this is what linear algebra looks like
You’ve officially lost it.
I’ve never had it
y = mx + b
It’s algebra. It’s linear. 😬
No way, dude. Thats affine, not algebra, and not linear. Its a lie meant to divide us.
It probably has something to do with The Elite.
Yes, The Elite Lie group where inverses allow for division.
I agree, all the other examples here are not on a single line. Some of the letters are on top of other letters, definitely not linear.
I solved it. Answer hotdog
Is this how Costco keeps their hotdog combo so cheap?
That and the threat of the CEO going full Patrick Bateman on the board.
you got to use numbers? i’m so jealous. we had to use matrices of variables when i learned it
For me the variables made it a bit easier
EZ
One time at work I was trying to work out a least-squares fit using linear algebra.
I have no background knowledge in linesr algebra, it felt like drawing a pentagram on the floor and chanting in backwards Latin.
Thats not too bad. It just takes up a lot of space. Good thing I do my maths on an android tablet
may i ask what device you use? do you use a stylus pen?
Galaxy Tab S6 with the built-in stylus. It’s saved me piles of paper and I like not running out of page
That’s not a fair example, I know what linear algebra is but can’t tell what’s going on.
Change of basis would be my guess, but that’s pretty basic.
You could’ve provided something far worse, like a manual construction of the Jordan normal form of a large matrix.
It’s been more than a handful of years since I had to learn linear algebra so I am very out of practice, and this was the first image that I saw that made me go, “yeah, that looks about right.” I thought I should include some image since I have told people during college that I was in a linear algebra class and several had the same response of, “Really? I learned algebra in high school. Weren’t you in calculas last semester?”
I am a freak who really enjoys linear algebra. It’s actually quite heartening to discover that even amongst my friend group of weirdos, there are still freaks
The only thing i understand from that book is the title.
I see your linear algebra and raise you nonlinear acoustics: boom!
I’m going all-in on transonic fluid dynamics. All the joy of nonlinear acoustics, with a little navier stokes as a treat.
Flowers for Algernon
Where the Red Fern Grows
My dad’s grade 4 teacher used to clobber him real good with a Bible whenever he did normal kid stuff, the Bible can definitely make you cry.
Depends on how sharp the
wordsedges are
Everybody giving all these first year engineering books. Real engineers cry when they’re doing their CCNA certification.
I actually did study for the CCNA and was primed to certify. I decided not to go that route and found myself in a Java class a couple years later. I now don’t use either of those things.
That isn’t real engineering, sorry.
Do your CCIE and come back to me.
And for what it’s worth, I did my BSc.Eng in Electrical too.
You’re not much of an engineer if you can’t see how fallacious your argument is.
Memorizing endless arcane trivia that changes every six months is a parlor trick, not engineering.
The same way memorizing all the SCPI commands of your oscilloscope doesn’t make you an engineer.
That’s actually one of the reasons I didn’t like it. It focuses almost entirely on Cisco router/switch/whatever else setup and gives only minimal background on the actual theory behind networking. That wouldn’t be so bad if this wasn’t the extent of my engineering undergrad experience with networking. We didn’t even technically get the certification because apparently netacad doesn’t count despite being the same content
Why are you gate keeping people on the internet?
In a shitposting community no less.
But posting shit like this does make you a twat.
you suck, go shave your neck beard.
Lessons in chemistry
Java is neat: you just get what you write. There are things that really makes you cry and Java is not among them
Just make the 200 line boiler code setup to make some
system.stuff.thingy.log.println(“hello world”);
Then it’s not compatible with the installed vm.
Then it’s not compatible with the installed vm.
This almost never happens, unless you do very niche things or have unrealistic expectations from your file system.
Niche things include using obsolete cyphers for net communication or running java code on the ibm mainframe, not something you do day to day.
Theres always Kotlin, which is like Java but for humans
Java has changed a lot since Java 8. Here’s a 3-line HelloWorld.java compatible with Java 21+:
void main() { System.out.println("Hello, World!"); }
It makes me cry when modded minecraft uses 100% of my CPU and eats up 20gb of ram. (This is only a little bit java’s fault)
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Java should not be used for game engine design. Stop-the-world events and poor shaders support do not help.
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JVM eats as much memory as you give it, so try playing with -Xmx param
Java has been used by programmers of mobile games just fine, for ages. The trick is the same that one would need with any other environment: knowing what objects you’ll need to allocate for a level, and not allocate more than that.
Oh yeah I know all about that, I’m talking about what it actually uses within the JVM 😅 It’s a messy monster of a game once modded, and there’s really nothing you can do about it other than some slight optimizations here and there.
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you just get what you write.
Every language is like that
Hahaha… man you have a whole life ahead of you.
What?
They’s a vibecoder.
Fine langauage, terrible build tools
Is that why there’s like 27 languages that are based on the same jvm?
I feel weirdly drawn to learning kotlin.
You should, it’s fun to use and runs on pretty much every platform.
Whenever I look at it, it just looks “comfortable.” I’m most familiar with C#, and I’m interested in some of the type features of Kotlin that are not yet a part of C#.
Of which like 3 work in production
Finished compsci but interned as a computer technician and there I thrived. Instead of constantly having to keep up to date on programming: subscribing to journals, attending seminars and conferences, networking with other programmers, and of course (re)studying shit to get certified.
That sounds like my time as a computer technician and then a network tech. Always chasing the next cert to stand out from the next tech. Once I switched to compsci I’ve never been pitched any certifications.
I have that book on my bookshelf. It didn’t make me cry nearly as much as some C++ books.
Isn’t it weird the a lot of internal and third party documentation and books of older windows system are the opposite of this
