Journal
2020-07-23, updated 2020-09-10 — ⇦About – index⇨
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- Some intuition for Geometric Algebra product contractions and expansions (2020-11-15, updated 2020-11-15) math
One of the best materials for learning about inner product contractions is, [[https://www.researchgate.net/publication/2842332_The_Inner_Products_of_Geometric_Algebra][The Inner Products of Geometric - Revista Contigo (2020-07-28, updated 2020-09-07) personal portuguese
In Portuguese, 2012 article in a celebrity magazine about me. - Make cheap headphones sound better on linux / ubuntu (2020-07-23, updated 2020-07-23) tech blog
Cheap headphones sound bad because their frequency response is all messed up. You can considerably improve this by using an equalizer. - Trying mobile static blog generator (2020-06-29, updated 2020-06-29) personal
Testing if my blog generator can run from my phone - A game from the past (2019-11-28, updated 2022-07-23) personal blog
I've ported an old game I made in inform7 to javascript. It is filled with teenager angst, because I made the game in order to deal with some problems I was having back them. - Me and animals (2019-11-27, updated 2020-06-29) personal blog
Pictures of me with animals! Usually in open spaces! Each of them with a story behind them! From recent to old. - The first of many Brazilian-Science-Olympiads-guide websites (2019-11-24, updated 2019-11-27) personal story blog
Until 2010 there were no website in Brazil one could access to learn about what science olympiads existed nor how to study for them. T - College essays reblog (2013-03-29, updated 2019-11-17) personal blog
This is a reblog from my old blog. The miss - 10 things to smell per day (2019-11-06, updated 2020-07-23) personal
Talking to a friend in San Francisco who is very attuned with her sense of smell made me realize that I mostly just ignore my sense of smell, to the point that I feel like I'm almost losing it. So I'l - Blogging, past and not blogging rant (2019-08-02, updated 2019-09-02) personal
I used to blog a lot in high school. - Magically setup emacsclient (2019-05-25, updated 2019-08-02) emacs tech
This is a magical way of automatically setting up emacsclient, by northrupthebandgeek. If you start emacs for the first time, it will start a server - Automatic Latex Fragment Toggling in org-mode (2019-05-25, updated 2019-05-25) emacs tech blog
Automatic toggle latex fragments in orgmode when point is in them. - Animating gifs in orgmode (2019-05-25, updated 2019-05-25) emacs tech blog
Makes gif animated in orgmode. - i3wm screencasting gifs (2019-05-24, updated 2019-05-25) tech blog
I read an amazing comment on reddit about how to very easily record the screen into gifs and I'll repor - Disqus and javascript random thoughts (2019-05-23, updated 2019-05-23) tech
I want this blog to be really light, so, if you've noticed, it doesn't load any javascript when you access it. - Emacs Tramp asking for password (2019-05-21, updated 2019-05-23) emacs tech
For about a week, every time I initialized emacs, Tramp would constantly ask for my password, both forsudoand forssh. - Tikz snippet preview in orgmode (2019-05-09, updated 2022-07-23) emacs tech blog
For some reason, in my installation, both dvipng, and imagemgick don't work when using tikz, with errors such as the following when using a latex src block, - Baby white-woodpeckers are dumb (2019-04-21, updated 2020-07-28) story personal blog
So during my life I have helped take care of multiple birds (bem-te-vis, parrots, toucans, large hawks, tiny hawks, vultures, sparrows, doves, humming birds, canaries, woodpeckers, etc), usually baby - Organizing an IAP class (2019-04-21, updated 2019-04-21) story personal blog
This IAP others 6.006 TAs and I organized 6.s092! - Scan notes with webcam online (incomplete) (2019-02-28, updated 2019-04-21) tech
In the same way that I can scan my notes when in emacs using the Webcam of my laptop, I want my students to do the same. So I decided to port my note scanner to javascript. - Solving a problem set with orgmode (2018-09-17, updated 2019-02-28) tech blog
After I wrote my last two tiny projects, Scan with webcam, and Export Subtree with files I was ready to do one of my psets in org mo - Emacs drag-drop pdfs, paste html, custom templates (2018-08-19, updated 2020-07-26) projects emacs tech blog
- Groebner Basis for Linear Network Coding in Sage (2018-02-08, updated 2022-07-23) tech blog
Backup of ./html/Groebner_Basis.html Here is the pdf with better formatting: GroebnerBasis–Sage