[Q] how to run ipython notebook cells at one time?
[Q] how to run a whole ipython notebook instead of an indivisual cell?
* menu: Cell -> Run All
* keyboard: CTRL M, R shortcut for "run all cells" in the notebook
menu: Kernel -> Interrupt
keyboard: Ctrl-m i
menu: Kernel -> Restart menu
keyboard: Ctrl-m .
'dd' to delete a cell