News for hackers. Stuff that matters.

ajra

Re:Today is Charlie Munger's 99th birthday on Sunday January 01, 2023 @01:56PM (#34209449)
He didn’t have an undergraduate degree because he dropped out of college to serve in the military during WW2, and then graduated Magna Cum Laude from Harvard Law. Yes, his family connections certainly helped, but it’s hard to say he wasn’t deserving of a place.
Re:Invert, always, invert on Tuesday July 21, 2020 @11:06AM (#23907377)
Great advice! I have to say though, I love the irony of the author mentioning reducing investment losses by asking the question "Am I diversifying enough to prevent long term loss?" when Munger+Buffett have the opposite view of diversification for the savvy investor - https://www.youtube.com/watch?v=ZJzu_xItNkY
Thanks! I have an unused Pi lying around so it's a great suggestion for me.
Assuming the filters do what the article supposes they do, what would be the cheapest and easiest way to test the air quality in my home and workplace?
Re:Apple announces Apple Card credit card on Monday March 25, 2019 @02:30PM (#19485287)
Sounds awfully cartel-like.

Unfortunately I agree with you regarding the lack of incentives Apple has. IIRC, the money for cash back rewards comes out of the interchange fee. How do you get consumers to adopt a card that's opaquely better for businesses and immediately worse for themselves?

Re:Apple announces Apple Card credit card on Monday March 25, 2019 @02:08PM (#19485008)
It seems to me that Apple can offer reduced fees due to the fact that they'll have less fraud as a result of requiring touch/face ID for every purchase.

While interesting, it doesn't come close to solving what I feel is the largest problem with cards in the US today -- interchange fees.

Re:Show HN: World Cup 2018 Predictions with Bayesian ML on Thursday June 14, 2018 @08:47PM (#17316630)
Awesome project, I love the use of TrueSkill Through Time here! Really interesting that it beats out Elo as well.

FiveThirtyEight actually posted their WC predictions earlier today [1]. Finding where the two models diverge is a fun exercise -- they have Morocco as a 40% favorite tomorrow while your model has Iran as a 46% favorite.

It would be interesting to test the model by applying the Kelly Criterion [2] when you have an odds advantage to a fake initial $1000 bankroll and seeing where you end up at the end of the tournament.

If Iran does end up being a 46% favorite tomorrow then that Kelly test will start to look really good, really quickly - the market is only giving Iran a ~25% chance right now!

[1] https://projects.fivethirtyeight.com/2018-world-cup-predicti...

[2] http://www.elem.com/~btilly/kelly-criterion/ for the background, http://www.albionresearch.com/kelly/ for a useful calculator

This is awesome, I've wanted a tool that shows the HN/Reddit comments on articles for a while now but never got around to making it -- thanks for creating it!