My Covid experience
18 April, Monday. Go restaurant with friends for lunch and dinner. Then in the evening, throat is very painful and cannot sleep well.19 April, Tuesday. Throat pain is less. In morning, ART test shows negative. But in the evening, in...
Bokeh - A Python package to create figure & UI
To plot figure in Python, matplotlib is an native module. Now there is another good option, Bokeh, https://docs.bokeh.org/en/latest/index.html. Bokeh is Python lib, which core module is written by JS. Using Bokeh, you can create more interactive & beautiful user interface...
How to setup PostgreSQL in Python
Install Psycopg2 package in Pythonpip install psycopg2 orpipenv install psycopg2 (virtual python environment)Install postgresql in Ubuntu sudo apt updatesudo apt install postgresql postgresql-contribAfter successfully install postgresql, the default role is postgres. So when you connect postgresql service in your own...
How to install Ubuntu & Windows 10 dual OS system in Surface book
There are many tutorials on how to install Ubuntu & Windows 10 systems. But when setup in surface book, there is a difficulty to be solved, i.e. Ubuntu cannot identify surface keyboard. Thus, we cannot click continue to install because...
Just saying good bye to 2021 Christmas, coming 2022 Chinese New Year
Bye to 2021 Christmas Coming 2022 Chinese new year
