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Ask HN: What Are You Learning?

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341–350 of 362 posts

Re: Ask HN: What Are You Learning?

#341

Recently, I tackled Genetic Algorithms to solve some specific NP-hard problems, and Zero Knowledge Proofs. Now I'd love to pick up Elixir and some frontend development. I routinely keep a web page updated with all my learning projects, both the ones I did and the ones I'd like to do [1]. I found that it keeps me accountable, plus it might be useful for some. This thread is a gold mine of ideas to expand it! [1] https…

Pragprog has a book on genetic algorithms using Elixir! https://pragprog.com/titles/smgaelixir/genetic-algorithms-in...

Thanks a lot! Great tip!

Re: Ask HN: What Are You Learning?

#342

Drawing, Really enjoy just grabbing the ipad and creating things. It's amazing how 2d shapes can trick the viewer in actually understanding what you've drawn. Got a background in 3D and Programming, but I think the 3d industry has the same approach to problems as programming. Couple of frameworks and libraries and poof, you have an applications. In 3d you grab a render engine, a light setup, some assets and poof, you…

Could you recommend some resources?

Especially resources for deliberate/edge practice.

Re: Ask HN: What Are You Learning?

#343

Earlier quoted context omitted.

My father was a flight engineer in the Navy on P3s. While in-flight his job was to monitor the instruments. If you've never seen the cockpit of a P3, its basically wall to wall instruments. Low visibility flight is frequently dangerous even when you have proper training. A lot of people that fly are surprised how easy it is to get disoriented in low visibility conditions. Learning to use only instrumentation is a gre…

Totally agree, 100%. This is a "get out of jail free card" rating not a "let's fly in cloud because we can" rating. Thanks for your input, I'll bet your father is a cool dude!

He's a great father and I couldn't imagine a better one. Its kind of funny though because as a member of flight crew he jumped out of airplanes on a semi-regular basis and I am terrified of heights. It doesn't bother me to ride in a plane with someone else flying it but I'd probably have to get someone to push me out of one if I needed to parachute.

Re: Ask HN: What Are You Learning?

#344
post #248

This week I've been learning a lot about PDF file format internals, which are a staggeringly complex mix of brilliant and totally boneheaded. The annotations spec alone is more complexity than the whole document format ought to be. I'm working on one PDF parser in C and writing another one in Python to facilitate easier exploration and prototyping. This has led me to think a lot about the serialization/deserializatio…

First off I want to say that I agree with most of what you say, especially in your post below concerning tptacek's unfortunate single-word comment sans explication. It seems that current discourse has forgotten, or even possibly dismisses, the classic fallacies of argumentation. The result is discourse that devolves to simple labeling followed by social dismissal. In such a situation argumentation ceases to be useful and etiquette vanishes. Without etiquette there cannot be mutual respect, and learning and communication cease. But that was the entire purpose of argumentation!

But that said, I have another question that I hope you will indulge. When you said that:

>"...people like me, who do learn things quite a bit. ..."I had to nod: you obviously know and learn a great deal in any period of time. But I must ask: do you ever forget? In a way you remind me of Jorge Luis Borges' character Funes in the short story "Funes the Memorious". But of course you are not as limited as Funes (e.g., he is incapable of abstract thought). Also, to me, you seem to be studying so many different areas. What would happen if you focused on one, two or even a handful of projects? In any case, it seems that you are intellectually indefatigable.

https://en.wikipedia.org/wiki/Funes_the_Memorious

Re: Ask HN: What Are You Learning?

#345

Complexity Economics I've been binging books on the topic as well as exchanging dialogs with a colleague over email. Books list: _Completed_ The Origin of Wealth: The Radical Remaking of Economics and What it Means for Business and Society - https://www.amazon.com/gp/product/1422121038/ref=ppx_yo_dt_b... Increasing Returns and Path Dependence in the Economy (Economics, Cognition, And Society) - https://www.amazon.com…

Great list, another one I would add is "The Misbehavior of Markets" by Benoit Mandelbrot: https://www.amazon.com/Misbehavior-Markets-Fractal-Financial...

Thank you! I've added it to the list. I'm more interested in the business strategy side than the market trading side, but I find having perspectives from multiple disciplines can often be helpful.

Re: Ask HN: What Are You Learning?

#346

Complexity Economics I've been binging books on the topic as well as exchanging dialogs with a colleague over email. Books list: _Completed_ The Origin of Wealth: The Radical Remaking of Economics and What it Means for Business and Society - https://www.amazon.com/gp/product/1422121038/ref=ppx_yo_dt_b... Increasing Returns and Path Dependence in the Economy (Economics, Cognition, And Society) - https://www.amazon.com…

You may like Why Information Grows by Cesar Hidalgo. The principal behind it is called Economic Complexity. It is based on the applications of network and graph theory using export data of a country, region or city as a proxy to its productivity and innovation. I find it pretty interesting.

Interesting! Sounds like it's potentially come from the public policy / macro economic modeling side. I'll check it out.

Re: Ask HN: What Are You Learning?

#347

After nearly 13 years out of it, I picked up a 3D printer. I did a fair amount of printing and modeling in my last years of college, but since transitioning into programming not long after graduation it's been something that I hadn't had the time for, or the avenue to apply it. So far I've had more failed prints than successes over the last week or two, but I'm still excited to be doing it. I'm learning the ins and o…

The main thing is to level the bed. Once you do this, it shouldn't require releveling except maybe every 1-2 months. Upgrade the bed to the glass bed. Get yourself some hairspray and spray the bed every few prints. You'll never get failed prints again.

Thanks for the tips. I'm actually resin printing, rather than doing FDM, but there's still leveling the build plate. I actually had some good prints over the weekend, so I think I'm past the first few bumps in the road

Re: Ask HN: What Are You Learning?

#349

Brazilian music. Gilberto Gil, Chico Buarque, Milton Nascimento, João Donato, Toninho Horta, Yamandu Costa, João Gilberto etc etc. There's a great youtube channel with hundreds of videos of guitarist Nelson Faria chatting and playing music at home with a different Brazilian musician each time, a lot with English captions. https://www.youtube.com/c/umcafelaemcasa/videos

Have you heard of Hermeto Pascoal? I started listening to him the other day based on this article...

https://tedgioia.substack.com/p/the-most-musical-man-in-the-...

He's pretty incredible!

Re: Ask HN: What Are You Learning?

#350

To sleep on my back. Being a life-long side sleeper has caused a lot of shoulder and upper back problems that sometimes make it hard for me to reach out and type. I wish I'd done this ages ago. It's one of the hardest things I've had to learn.

I’d love to have a hole in my mattress and sleep face down with no pillow. It’s so comfortable but can’t find a way to breathe.

The best method I have found is to have several blankets, and to put one blanket underneath, and then to rearrange it until everything is supported exactly how I want it.

Then later I may move around and find another position.

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