Qingkai's Blog

I am currently working on writing a book,  Python Programming and Numerical Methods: A Guide for Engineers and Scientists. This is a book wi...

These days, I started to write more and more in Jupyter notebook, not only my blog, but also an entire book within it. Therefore, spell che...

Over time, when we use Jupyter notebook or Jupyter lab, we will have more and more old kernels. As the following figure shows, I have the ol...

I use   pandas   a lot for dealing with time series. Especially the function that it could easily slice the time range you want. But recent...

I've been in my new position - Assistant Data Science Researcher for one month now, it is so different than that of a Ph.D. student. I w...

I got my business card for my new position at Berkeley, I really like the design, see the following for my contact information. 

I think this week, the biggest news for me, maybe is   Julia 1.0 released . It is a great language that I was thinking to learn for a long ...