joshu

Joined 18 years ago

Karma

14,357

Submissions

4,543

Member since

Apr 21

hn<current year>@joshua.schachter.org

I'm an angel investor in ~ 250 startups. Previously founded del.icio.us.

2006-current: Angel investor in ~ 250 startups. http://angel.co/joshu

2013: Tasty Labs was acquired by Walmart Labs.

2011: CEO and co-founder of Tasty Labs.

2009-2010: I worked at Google.

2006-2008: At Yahoo! Social Search.

2005: Delicious acquired by Yahoo!

2003-2005: I wrote Delicious in my spare time.

2000-2005: Analyst/Quant at Morgan Stanley.

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Recent submissions

Comment · 9 days ago

i would rather see the eigenvector centrality of the adjacency matrix than just estimated distance.

aside from the first, the next few eigenvectors would be great.

anyone done this?

Comment · 21 days ago

yeah that one really tortures it

Comment · 21 days ago

can you post a screenshot? i haven't tested on ipad

Comment · 21 days ago

i'll upload them soon

Comment · 21 days ago

try different maps, editing the constraints, etc? it's sortof a "torture the optimizer" but it does solve many things

Comment · 22 days ago

no dynamics model (uses bicycle model) but i built a solver for parking

http://truckslop.joshu.dev/

Comment · 29 days ago

i've been making a bunch of fun physics games like this. i need to push out the latest one. try this one, torture a parking optimizer: https://truckslop.joshu.dev/

Comment · 1 month ago

btw these guys worked for me on del.icio.us back in the day. i have been playing with it for a bit and it’s really great. i already set up a spare monitor just for this

Comment · 1 month ago

ha i just tried making a sort of ouija board for jev this morning. it struggled. i look forward to reading how this one works.

Comment · 1 month ago

we are definitely getting AGI before a new starcraft

Comment · 1 month ago

is... this a reference to "language is a virus from outer space" by ws burroughs?

Comment · 1 month ago

thank you.

which ones have you recreated? i mostly use python w/ shapely.

Comment · 2 months ago

Fun TED talk about plotters: http://go.ted.com/joshuaschachter (me)

Comment · 2 months ago

berkeley/stanford birthed risc. acorn was inspired by the berkeley risc i papers.

Comment · 2 months ago

this is awesome. i have always wanted to build something like this. figured i would just use a regular sensor and use the adjacent pixels to calculate optical flow.