alexbeloi

8 ms·

1.
by alexbeloi 3y ago
Fun fact, they can sometimes narrow down crime scene DNA to just a single person by having enough partial matches from their (potentially distant) relatives. I can't remember which DNA database was used, but some cases were solved this
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by alexbeloi 4y ago
Seems like a steep price but I can see this becoming a marketable skill at some point. It feels similar to knowing how to google well, we've all internalized some google/search concepts like 'unique words' -> 'na
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by alexbeloi 4y ago
They aren't mutually exclusive, but their incentives are opposed, usually the incentives bringing in the money win.
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by alexbeloi 6y ago
> What's the best way to prepare for DP in interviews? Do 100 of these problems: https://leetcode.com/tag/dynamic-programming/
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by alexbeloi 6y ago
It doesn't punish anyone. If you want solutions, then the book is not for you, that's all. The author is not obligated to accommodate every audience, or even a majority audience.
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by alexbeloi 6y ago
I was oversimplifying, but I stand by my words. It does optimize for profit, just with extra steps. For most FB ads products (that you see in feed), advertisers pay based on conversions (views, clicks, likes, joins, purchases, etc.). So rev
7.
by alexbeloi 6y ago
Ads optimizes for profit, all other content is broadly optimized for meaningful social interaction and against problematic content . https://www.facebook.com/business/news/news-feed-fyi-bringin... https:/
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by alexbeloi 8y ago
Machine Learning is a catch-all term for optimizing statistical models with data. Simplest example that you are very likely already familiar with is that of a 'best fit line' to some xy scatter plot. This starts by making an assum
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by alexbeloi 8y ago
You'll likely be happy to hear that this has been (is being) addressed. I watched the live broadcast of this announcement where they did a recap of all 10 previous matches (against TLO and Mana) and they talked about this concern. Duri
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by alexbeloi 8y ago
Movies are filmed at 27fps so the reasoning is humans have high confidence that they aren't missing any significant information between the frames, it should possible to make a 'mental model' of a road scene at the same fps t
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by alexbeloi 8y ago
If by "do that" you mean mimic what a real driver would do for a specific set of sensor inputs, that is precisely ML tries to do. To understand what the difficulty is, it's important to consider that the size of the sensor in
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by alexbeloi 8y ago
The issues I've heard from a few people in hiring is that there is a surplus of junior data scientists from these camps and a shortage of senior data scientists to manage them. Problems not dissimilar to tech hiring in general, but com
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by alexbeloi 8y ago
It seems to me that Netflix used to have better recommendations. It's unclear why/how/when it went bad, my suspicion is that they changed their metric and it's having bad side effects, or their old models didn't sca
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by alexbeloi 8y ago
That is actually one of the biggest contributing factors to the replication crisis in science, lots of scientists have been making this error for decades. Very not obvious.
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by alexbeloi 8y ago
The valedictorian is an 'executor', and likely very good at that crushing tasks to get the job done. The self-starter is creative and malleable and likely very good at complex problems with lots of unknowns. Those people aren&#x27
16.
by alexbeloi 8y ago
IQ scores are also increasing[0]. Are we actually smarter than our grandparents? Or has the education system trained us to be better test takers (one of the suggested contributing factors). [0] https://en.wikipedia.org/wiki&
17.
by alexbeloi 8y ago
The relevant metrics would be daily/monthly active useres (DAU/MAU) and churn rate. But Blizzard doesn't report those number's unless they're good (e.g. Hearhstone/Overwatch hitting new record MAU last year), a
18.
by alexbeloi 8y ago
A great blog post here ( https://wp.josh.com/2017/10/23/adventures-in-autorouting/ ) about some different auto-routing software.
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by alexbeloi 8y ago
Not eli5, but a comparison to the Riemann Hypothesis (RH). RH says the Riemann-zeta function has no zeros along the line (1/2) + iy in the complex plane. The Lindelof hypothesis says that the number of zeros between (1/2) + iy and
20.
by alexbeloi 8y ago
> Not completely failing to find files and apps based on how I typed them (“A” brings up “abc” but typing “ab” makes “abc” go away!?). It's the 'basic' stuff like this and bizarre feeling UI pauses at blank windows that ma
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by alexbeloi 8y ago
Very cool, I'm a fan of his stuff and hadn't seen that one yet. Thanks
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by alexbeloi 8y ago
These seems like a interesting model for analyzing which population structures are most conducive to the spread of memes or ideas. The obvious population structures are 'highly connected' but this suggests that you can have loosly
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by alexbeloi 8y ago
Yes they do/have research. Facebook had 12 papers at the last computer vision conference I attended (CVPR '17) and won the awards for best paper and best student paper.
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by alexbeloi 8y ago
My naive take on this is that it makes biologically sense to keep net expected electrical impulses approximately the same before and after strengthening. At the end of the day the brain has energy constraints. This can-be/is done func
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by alexbeloi 8y ago
It has little to do with culture and everything to do with current economic stage of development, Japan was known for making faulty mass produced garbage in the 50's and 60's, they used that economic model to bootstrap the manufac
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by alexbeloi 8y ago
Competition is welcome, deep stack knowledge from driver to model building is hard to come by (it's more than just matrix multiplies). To compete with CUDA you need high performance drivers and people that can write them, and also be a
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by alexbeloi 8y ago
>Having worked in China in the semiconductor industry, it really saddens me what the Chinese are trying to do. I too have worked in China, and there is nothing sad about fighting and investing heavily to catch your competition. If the co
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by alexbeloi 8y ago
https://en.wikipedia.org/wiki/Hegemonic_stability_theory
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by alexbeloi 8y ago
“While we regret that Google did not want to continue a long and fruitful tradition of collaboration between the military and technology companies, we are even more disappointed that Google apparently is more willing to support the Chinese
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by alexbeloi 8y ago
Where do the creators you follow host their videos?

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