ivan_ah

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by ivan_ah 7y ago
That's really cool to have the charts generated as code. Very concise way to specify things, and with all the power of graphviz behind the scenes. Another tool in that space is https://cloudcraft.co/ although only for
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by ivan_ah 7y ago
Here are some direct links to some of the PGA (Projective Geometric Algebra) resources mentioned in the talk: 1. The 2D and 3D cheat sheets are here: https://bivector.net/doc.html 2. The talk is also available in "pape
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by ivan_ah 7y ago
Very interesting. I always thought of knowledge as a graph (as opposed to a document or a tree), and browsing the graph of knowledge will be really useful for learners. I think the obstacle is more on the authoring side (how to build/e
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by ivan_ah 7y ago
There was a very good blog post about this by Silvia Botros, though she uses "principal engineer" as the label: https://blog.dbsmasher.com/2019/01/28/on-being-a-principal-e...
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by ivan_ah 7y ago
Anecdote from this week: I've been working on a Python project that uses several classes and subclasses, with code paths that move around a lot through the class hierarchy. I was trying to add some functionality but kept getting bogged
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by ivan_ah 7y ago
These are really nice PDF notes using the Physics perspective on QM (walk through lots of historical experiments that explain why QM was invented). A good math background would be required to follow the notes, especially linear algebra. Her
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by ivan_ah 7y ago
One thing that I find to be incredibly useful is the keyboard shortcut `00` (press zero twice while focus is outside of a cell), which will restart the kernel, clear all output and re-run the whole notebook. This way I'm sure that &quo
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by ivan_ah 7y ago
I think you might like my book, the No Bullshit Guide to Linear Algebra . It doesn't focus on the proofs, and instead gives lots of intuition and applications. You can check the reviews on amazon, and here is a link to a PDF with a fe
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by ivan_ah 7y ago
Also in the extracting-structured-data-from-PDFs solution space, there is Parsr which was recently posted on HN: https://github.com/axa-group/Parsr see https://news.ycombinator.com/item?id=22035258 It&
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by ivan_ah 7y ago
I believe you need a `--recursive --level 1` in there too, so overall: wget --no-parent --accept pdf --recursive --level 1 http://worrydream.com/refs/
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by ivan_ah 7y ago
> “No Code” systems are extremely good for putting together proofs-of-concept which can demonstrate the value of moving forward with development. Another positive aspect is the ability to teach junior coders. One of the coolest things on
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by ivan_ah 7y ago
Nice to have all that power on the command line. The system uses the notation with square brackets for function calls, e.g. Sin[x], so ppl familiar with Mathematica will feel right at home. The SymPy Unicode output mode also does a pretty g
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by ivan_ah 7y ago
The way I see it, non-fiction books are all about distillation of information. Yes most of the information from books is freely available online in some other form, but you'll have to dig for it in many places, and learn from many narr
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by ivan_ah 7y ago
Very interesting... I never bought the idea of GPT-2 as a threat to humanity, since it's not able to produce meaningful original new content (it just produces thematically and grammatically correct filler), but if your primary goal is
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by ivan_ah 7y ago
Same problem here. I'm also confused because some sources say coffee (black) is OK during fasting, but I've also heard that even black coffee "wakes up" the metabolism enough to lose the benefits. Could someone who knows
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by ivan_ah 7y ago
> [...] how we should approach teaching in the setting where there is no internet access Here is a link to a learning platform that is specially designed for the offline setting: https://learningequality.org/kolibri/
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by ivan_ah 7y ago
There is a similar project called Neonto Studio: https://neonto.com/nativestudio The code Neontov generates is not exactly perfect, but it's still a nice starting point. Bravo seems like a nicer version of this since i
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by ivan_ah 7y ago
That's very cool. To the best of my knowledge the only purpose of learning how to complete the square in high school math is to be able to understand the derivation of the quadratic formula, so if we can use this alternative proof then
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by ivan_ah 7y ago
Whaaaaaat. This is amazing! I know so many people who have difficulties collaborating on manuscripts the mismatch between skills document skills (life sciences vs. computer science), but thanks to WYSIWYG, they will now be able to collabora
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by ivan_ah 7y ago
I wrote a book that is exactly what you describe (high school math review for adults), which you can check here: https://www.amazon.com/dp/099200103X/noBSmath (~200 pages = compact review of high school math topic
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by ivan_ah 7y ago
I looked around and found this guide by MAA: https://www.maa.org/programs-and-communities/curriculum%20re... It's not specifically active learning, but has lots of good classroom tips. I also found this blog post
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by ivan_ah 7y ago
The SymPy online REPL is very good: https://live.sympy.org/ You can test out commands w/o installing. It also has a very useful feature to turn a session into a URL: https://live.sympy.org/?evaluate=fa
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by ivan_ah 7y ago
In case someone is not familiar with Pascal's wager , here is a table that shows the expected values: https://en.wikipedia.org/wiki/Pascal%27s_wager#Analysis_with... (the appearance of infinity breaks the decisio
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by ivan_ah 7y ago
This is a place where free software and OER (openly-licensed educational resources) could really make a difference. In my experience the online assessment solutions offered by most commercial publishers are horrible, while open source solut
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by ivan_ah 7y ago
Could have been us — we have a "free PDF if you email me proof of purchase for print" policy for all our books[1,2,3]. Currently, I handle this manually via email, but I wish this was more automated somehow (e.g. shopping cart plu
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by ivan_ah 7y ago
Wow that's a nice list! It would be even nicer to have some clear indicator for each course whether it is free as in beer, or free as in freedom (openly licensed and downloadable). For example all the iTunes audio courses say "Thi
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by ivan_ah 7y ago
Yeah, LocalStack seems to be a similar idea, with more support for the "new stack" (e.g. lambdas) and a bigger focus on testing/mocking AWS during dev rather than replacing AWS for production workloads. In contrast Eucalyptus
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by ivan_ah 7y ago
If you're looking for something very basic (high school and calculus), you can check my book No Bullshit Guide to Math & Physics: https://www.amazon.com/dp/0992001005/ Extended preview here: https:&#x2F
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by ivan_ah 7y ago
Check out this short excerpt of definitions and examples of the math "alien symbols": https://minireference.com/static/excerpts/set_notation.pdf They are really not that bad once you learn their meaning
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by ivan_ah 7y ago
Here is a related blog post by one of the authors that describes the "classical" ways of thought transmission (background for the current project). https://andymatuschak.org/books/ [VERY LONG] via https:&#x2

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