I never thought one day I would want to write a post regarding calculating cotangent with NumPy in Python. Isn’t cotangent just the inverse of…
Author: PY Chuang
About one year ago, my XPS 13 7390 started to make noise. The noise came from one of the fans. I managed to lower the…
I recently found a lot of third-party libraries that help send desktop notifications in Linux. I just don’t get it. Most of these libraries just…
Note, the Python script to run all the mentioned tests in this post can be found on my GitHub Gist: https://gist.github.com/piyueh/54b85e13800d42b9eccb47c7e0d6db7f I’ve been struggling to…
Update on Sep 22, 2021: there’s a bug affecting using Wayland Chrome/Chromium/Electron in the latest Sway/wlroots (i.e., the latest git commit). See https://github.com/swaywm/wlroots/issues/3168 and https://bugs.chromium.org/p/chromium/issues/detail?id=1246834.…
In els-cas-templates v2.1, the documentation says biblatex + biber is recommended. However, if we try to use biblatex, the compilation fails. This is because the…
I rarely used cloud-based HPC clusters for scientific simulations because they are just too expansive. I always have access to clusters at different high-performance computing…
I had been having a packet loss issue with my XPS 13 7390 when connecting to my home 5GHz WiFi. The connection was fine. I…
Warning messages: cfg80211: Loading compiled-in X.509 certificates for regulatory database cfg80211: Loaded X.509 cert ‘sforshee: 00b28ddf47aef9cea7’ platform regulatory.0 Direct firmware load for regulatory.db failed with…
(Please correct me if my understanding is incorrect.) Today I checked the log of my system and noticed this line of warning. random: lvm: uninitialized…