Somethings I never remember using Visual Source Code
Column Select
HOLD down LEFT mouse button anywhere in the code then press and HOLD SHIFT+ALT . With all 3 Held down drag mouse in any direction with the mouse for column select.
Keyboard shortcuts
File > Preferences > Keyboard Shortcuts
CTRL+K CTRL+S
Change launch task build short cut
In Keyboards search for Tasks: Run Task
Then remove the default for CTRL+SHIFT+B and put it on Run Task vs Run Task Build