Latest post
I think I am not the only one that has been annoyed by this bug of #GNOME on #X11: switching keyboard makes the whole graphics freeze for a while. Surprisingly, I found that using #Mouseless just solves the problem! Just keep it running in the background and grabbing all the keyboard input devices, and then the bug is gone.
https://github.com/jbensmann/mouseless/issues/92
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Articles
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Letting people know when you are asleep
While you are asleep, indicate that on your Discord and GitHub user status.
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Using nmcli to connect to eduroam in UCSB
Use nmcli to connect to eduroam in UCSB without using the configuration assistant tool provided by eduroam.
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The duality between two plane trajectories related by a conformal map
The conformal map transforms the trajectory with energy in potential into the trajectory with energy in potential . I will prove this beautiful result and show some implications of it.
- Categories: physics
- Tags: complex, classical mechanics, canonical transformation, kepler problem, mathematical physics, vector analysis, long paper
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Embed the latest Mastodon post in my website
I show the latest Mastodon post in my website hosted on GitHub Pages, and it does not require JavaScript on the client side. How do I do that?
- Categories: update
- Tags: web, jekyll, selfhosting
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Rotational symmetry of plane lattices as a simple example of algebraic number theory
For a plane lattice, there is only a finite number of different rotational symmetries that are compatible with the discrete translational symmetry. For example, the 5-fold rotational symmetry is not one of them. Why is that? It turns out that whether an -fold symmetry is compatible with translational symmetry is the same as whether .
- Categories: math
- Tags: complex, condensed matter physics, algebraic number theory, lattice, mathematical physics
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I restructured my blog
If you have not noticed, the equations on my blog are now rendered server-side. This change makes it possible for those who turn off JavaScript on their browsers to see the equations. I also updated the theme from Minima v2 to Minima v3.
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An 🎃 easy 👻 but 🍬 spooky 💀 Ruby challenge
“It’s the weekend and you’ve just completed a seance with friends. After communing with the dead, you realize a mysterious message was left behind.” What is the decoded message? Use your Ruby skills to find out!
- Categories: programming
- Tags: ruby, code golf, fooling around
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You can replace with in the Schrödinger equation?
When someone asks you why it is here instead of or the other way around, you can say that this is just a convention. My professor of quantum mechanics once asked the class similar a question, and I replied with this letter.
- Categories: physics
- Tags: quantum mechanics, letter, complex
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How to self-host Overleaf (ShareLaTeX)
It has been a pain setting up Overleaf on my own server. I have finally figured it out and I am sharing my notes here.
- Categories: guide
- Tags: linux, selfhosting, tex
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My old computers and my experience of daily driving Linux and self-hosting
I have been using Linux and self-hosting for over a year now. Overall, I would like to say that it is rather satisfactory and that I will continue to use Linux as my daily driver in future. Thinking of that, I felt a little bit nostalgic about my old computers. So I decided to write an article about my old computers and my experience of daily driving Linux now.
- Categories: misc
- Tags: linux, selfhosting
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