Came across Kelly criterion with 李永樂老師’s video. The proof is indeed rather elementary. However, it also puzzled me when I tried to derive it myself. It seems that the argument is completely okay. Hopefully, someone can correct me. Update: This is a good lesson learned. Yes. Have to be really careful in terms of expectation….
Another lesson of not to do anything when I am tired. I was thinking to try to sync my dpt-rp1 digital paper with a newly installed windows 10. I didn’t pay attention and accidentally upgrade the firmware. Of course, it is a horrible mistake since I rooted that earlier. It looks like I have bricked…
I have been using the school guest wifi for a while. But today, it doesn’t work and tries to connect the eduroam wifi. Then just realize there is a nasty bug in ubuntu for that. It seems to be affecting multiple distribution. Trying to downgrade wpa_supplicant following this. Cannot downgrade libssl to 4.14 but to…
Came across two online Latex tools are very convenient. This one converts handwritten math to Latex and this one converts Latex to gif.