All notable changes to this “human experiment” will be documented in this file.
2025-08
Logged
- First time went to a roller skating rink. Very different from rollerblading I recall from childhood haha!
2025-07
Started
- Started this personal changelog!
- First post intended at Substack, this one
- Meditations, Marcus Aurelius.
- First time used sklearn-onnx to convert an older version scikit-learn pipeline to onnx and verified that it produces the same scores within a very high precision.
- First time visiting MoMa PS1, which was for their 27th season summer music series called Warm Up.
2025-06
Started
- First try of Openai Codex, merging first pr, to my tiller utils repo, helping to convert paypal csv to tiller.
- Started reading Douglas Murray’s Madness of Crowds, to have a thinker for the plane trips.
- Started using Paperlike, attaching it to my ipad the day before my eurotrip, using it to write the first draft of this post, and also to work on coding problems for fun.
Logged
- Visited friends and family in Warsaw and Barcelona, writing about a medical anecdote in Krakow too.
- First time visiting Catalonia (technically still part of Spain I am told).
2025-05
Changed
- Switched from Apple Photos to self-hosted immich for personal photo management, writing about it here yea.
- Started switching in hugo, from hyperlinks to end of page references, discussing here.
Completed
- Went through Sean Carroll’s Many Hidden Worlds of Quantum Mechanics finishing just by a hair when it evaporated from amazon prime.
2025-04
Changed
- First try of VS Code, effectively switching over from macvim, in order to do a first try of prompt based code editing, Windsurf, describing my experience here.
- Returned, to cooking soup after a long pause.
- First attempt to buzz cut my own hair.
2024-11
Completed
- Finished a full year of getting daily morning outdoor sunlight (Thanks Andrew Huberman).
2023-11
Changed
2023-07
Started
- First Tesla driving (and renting) experience.
2023-01
Changed
- Switched from LastPass to BitWarden for personal password management.
2022-11
Started
- First split keyboard, the Moonlander from ZSA Technologies,
2022-01
Logged
- First time attempted to replace laptop macbook batteries. Laptop Worked for a few days before batteries ballooned then I went to Mikey’s hookup for help haha, to replace using official and not knock-off batteries.
2021-09
Completed
- ASA 101, Basic Keelboat Sailing passed.
2021-08
Changed
- Switched from gmail.com to hey.com for my main email home.
2021-05
Changed
2021-04
Changed
- Switched my whiteboard location to new room, also trying new drill-less anchor style.
2020-06
Started
- Switched to hover.com and registered this domain, michal.piekarczyk.xyz , almost thought I forgot to use WHOIS anonimization !
2017-12
Started
- First Yamaha piano, P-115 (link the “2017-12-28 guitar center yamaha piano.pdf”)
2014-10
Built
- Built a better cardboard chair, after first attempt back in ~1999.
2013-07
Started
- Joined as Citibike member, and took first ride.
2012-11
Stopped
- Bye bye breads, pastas, rice, sugar,
2005-03
Logged
- First trip to Paris
2005-02
Logged
- First trip to UK, started a study abroad at U of Sheffield
Undated
hmm
huaraches and barefoot running
vim, (college)
emacs (evil mode), ~2021?
logseq
Tokyo
Golang, and Golang package, to switch back to logseq
first ipad,
first iphone
first palm pilot? (tungsten second?)
Twine game, redhat
first skateboard, and stopped it
started using CarbManager
driving licenss
zipcar membership (DC)
nightguard, 2022?,3?,4?
First Clojure code in production?
First meetup.com attended?
First git repo? (2011?)
First code written? (javascript in, hmm, 1997 ishh? some webpage for boyscouts something? I wanted to make a funny animation, and was really into this tutorial by )
hung up that whiteboard, first time?
hung up cool painting Gabe found outside, in Bushwick apartment
signed up to vimeo
first fast over 2 days, ( fish from can as fast breaker)
also first transpacific fast to japan.
stopped using Sleep Cycle
stopped Zero App
Started Carb Manager, stopped Noom,…
first time requested, downloaded data from Amazon for GDPR link.
skateboard, from letgo.com
logi ergonomic mouse
switched from pandas to polars some time in 2024 .