justjonathan

9 ms·

61.
by justjonathan 7y ago
I’d taken calc and linear algebra in college but I retained little and had not used either in 15+ years. I took this class 3-4 years ago and got a lot out of it. I also highly recommend Infinite Powers: How Calculus Reveals the Secrets of t
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by justjonathan 7y ago
It is embarrassing, but I only know how to write HTML like it’s 1999. The last new thing I learned was an iframe, the kids tell me CSS something I should learn...
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by justjonathan 8y ago
This looks kind of interesting. Has anybody played it enough to have feedback whether it would be good for a bright 10-year-old?
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by justjonathan 8y ago
"I am much less interested in investing around bitcoin as a currency unit or a currency equivalent, or even the blockchain as an accounting ledger. I am thinking much more about the protocols. In other words, what is the underlying pro
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by justjonathan 8y ago
So this seems terrible and unfair. The argument in favor of this sort of thing (not made specifically here, but one that I have heard made in the past) is that this kind of compensation for executives as necessary to prevent them from aband
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by justjonathan 8y ago
The irony of course is that Tim Ferris works really hard (way more than 4 hours a week) to promote the 4 hour work week.
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by justjonathan 8y ago
“Blockchain Is The Most Over-Hyped Technology Ever, No Better than a Spreadsheet/Database” I think he fundamentally understands and misunderstand something that most people, (though probably not here) don’t get. A blockchain is an immu
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by justjonathan 8y ago
DabbleDB, it was such a great way to play with data til you knew how it should be organized.
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by justjonathan 9y ago
That's great in theory, but in practice that's not what happens, because new orders influence existing orders, and cause additional new orders to be created. Much smaller sales can in fact, and to do, cause much larger price move
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by justjonathan 9y ago
Five shortcut icons, how I miss you...
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by justjonathan 9y ago
Small Correction: if you have trains coming every three minutes I think your average wait time should be 1.5 minutes.
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by justjonathan 9y ago
"From its inception in 1942 until 1994, the search recognized more than 2000 precocious teenagers as finalists. But... just eight have won Nobel Prizes." Just?!? Said differently: slightly less than 1/2% of identified gifted
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by justjonathan 10y ago
Now computers can blindly copy and paste code they don't understand from stack exchange just like people.
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by justjonathan 10y ago
I have been extremely impressed with the free ciriculum and environment at https://code.org/ . It has lots of child friendly skinning and bite-sized "puzzles" that teach you step by step but build real understandi
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by justjonathan 10y ago
The Boston Museum of science has a A terrific children's exhibit on math as well as nice more adult oriented math exhibit (sponsored by Mathematica as I recall).
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by justjonathan 10y ago
There is a fun look at George Plimpton in My Korean Deli, by Ben Ryder Howe who worked at the Paris Review. It was a fun read beyond that too, and it will show you a different (less ambitious and less successful) view of entrepreurship than
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by justjonathan 10y ago
If you haven't read Sapiens: A Brief History of Humankind by Yuval Harari, it is a great read and has lots of insights into the way early Homo sapiens may have behaved. Hint: we won, probably not by accident...
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by justjonathan 10y ago
This is only my personal experience, bu I am embarrassed to report that I have been in DreamHost customer for over 10 years for hosting some small and unimportant personal projects. I have been consistently disappointed with the level of th
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by justjonathan 10y ago
This looks nice for a one off. If you are interested in automating this on a regular basis (perhaps to read the morning's news / blogs) I recommend Calibre, it is an amazing free (speech & beer) ebook management system that ha