Re: [tkinter]Synchronous image diplay

2021-10-20 Thread Cameron Simpson
On 20Oct2021 20:18, Stefan Ram wrote: >r...@zedat.fu-berlin.de (Stefan Ram) writes: >>I want to diplay images fast in a slideshow (i.e., 10 images > > (There's a problem with my [S] key.) > > It seems that update_idletasks() solved my problem! Yes. That causes the event loop to resume, render,

Alternatives to Jupyter Notebook

2021-10-20 Thread Shaozhong SHI
Hello, Is anyone familiar with alternatives to Jupyter Notebook. My Jupyter notebook becomes unresponsive in browsers. Are there alternatives to read, edit and run Jupyter Notebook? Regards, David -- https://mail.python.org/mailman/listinfo/python-list

SQLAlchemy fault

2021-10-20 Thread Shaozhong SHI
I read a txt file into Pandas Dataframe, and found a lot of nulls in a column. Then, I used SQLAlchemy and psycopg2. I created engine. I loaded data onto PostgreSQL. Strange thing happened. The column has no null at all. Does it mean that the data has been modified somewhere along the line?