I used Emacs org-mode to do time management before, with dedicated project plan, autogenerated schedule, and filled in how my time was spent every hour. Yeah, this is fancy, geeky, cool. Looks efficient. Until one day I got tired of it.
Then I changed to pen and paper. No staring …
Sometimes a small-world panorama is quite stunning. For comparison, a regular panorama is shown below.
Spent about half an hour to do experiments and finally get a program to convert to regular panorama to small-world style.
The key is coordinate system transform, from rectangular to polar. This is pretty intuitive …
[Update2] I used the library eigen to reimplement the algorithm, reducing the code from 84 lines to 41 lines (wow), and time increases 11%. Looks acceptable, with similar workload as unoptimized C#, but the same speed as heavily optimized C# (with 164 lines of code and unsafe compilation). What's even …
Finally time for an upgrade of our Beamer Writer. I added two features recently.
\[x^2\] in the input textbox, it will be rendered as it is, i.e., \[x^2\] rather than \item \[x^2\] like we did before. This will make …还记得当时刚去加州的时候和琳一起改推荐信，得知她成功拿到台湾交换的offer，一起讨论research/写代码，然后她怎么突然就回 …