I'm using 0.9.3.1

How to I disable resizing between panels ? For example


disable resizing between album art and album list and
disable resizing between the upper and lower.

right now, I don't think you can. The only thing you can do is "Lock" the panel, which prevents it from resizing when you resize the main window. But there's no way to prevent a panel from being resized completely.

Under foobar 0.8.3, it can