yo! fat tails

I wrote about some key takeaways from @nntaleb's new technical book, Statistical Consequences of Thick Tailshttps://t.co/Qj5ab0WtpJ It's a short review on fat tails in plain english, including the relationship between moments, tail indices, and pseudo-convergence pic.twitter.com/X5Zbmc088J — F Y Isaac (@gelmanisaac) December 23, 2020 source link a surprisingly readable rundown on fat tails that will force you to brush up on some old stats stuff. oh, and there’s wolfram/mathematica code to explore as well....

January 3, 2021 · 1 min · sulrich

2020: media diet

2020 media diet what a shitty year. i/we wasted time with the following. movies Borat Subsequent Movie Film… Da 5 Bloods MidSommar Emma The Invisible Man Downhill The Last Black Man in San Francisco First Reformed tenet the midnight sky uncut gems eurovision miss americana the lovebirds enola holmes plenty more, few memorable. this may just be a function of 2020. tv so much tv. i am not proud of this....

December 31, 2020 · 4 min · sulrich

emacs life changers

vterm- a terminal mode for emacs that doesn’t suck. oh, and it’s fast. vterm-toggle - F2 boom. you’re there.

December 30, 2020 · 1 min · sulrich

removing snaps from ubuntu 20.04 LTS

# list the snaps installed by default % snap list # remove these 1 by 1 % sudo snap remove <snap-name-from-above> # remove any snap directories % sudo rm -rf /snap /var/snap # purge snapd from the system % sudo apt purge snapd

April 25, 2020 · 1 min · sulrich

TIL: about the python code module

well this module is hugely useful. invoke the REPL where you need it while you’re debugging something gnarly. for some reason, i’ve never quite grokked the use of pdb. i stumbled on this gem via this article.

April 19, 2020 · 1 min · sulrich

TIL: y is not Y is not year, like you'd think

unicode date format patterns are a little more nuanced than the “standard” strftime() supported formats. note the difference between the following: man strftime (linux) %y The year as a decimal number without a century (range 00 to 99). (Calculated from tm_year) %Y The year as a decimal number including the century. (Calculated from tm_year) man strftime (osx) %Y is replaced by the year with century as a decimal number....

December 30, 2019 · 1 min · sulrich

hardcoded DNS will bite you in the ass in the most subtle and annoying ways

tl;dr - make a list of all of the annoying places where you need to hardcode DNS entries. you’ll thank yourself later. i retired a DNS server this past week. couple that with the expiration of a couple of guest wifi passes and i discovered that there’s a hidden DNS setting on the APs that can make captive portal DNS resolution miserable if the DNS server is offline. on ubiquit APs the preferred DNS server in the AP is what’s used for the resolution of DNS for the hotspots....

December 25, 2019 · 1 min · sulrich

flatten json to paths

the following will take the output from a json object and flatten it into a key-value path. this is particularly handy when you’re looking to parse out the supported paths in a given device. note: you need to remove the \s from this output and put the entire jq string on the same line. jq '[leaf_paths as $path \ | {"key": $path | join("/"), "value": getpath($path)}] \ | from_entries' foo.json alias to make life happy....

December 16, 2019 · 1 min · sulrich