How to cache in IPython Notebook?

Question

Environment:

• Python 3
• IPython 3.2

Every time I shut down a IPython notebook and re-open it, I have to re-run all the cells. But some cells

Answer 1

Unfortunately, it doesn't seem like there is something as convenient as an automatic cache. The %store magic option is close, but requires you to do the caching and reloading manually and explicitly.

In your Jupyter notebook:

a = 1
%store a

Now, let's say you close the notebook and the kernel gets restarted. You no longer have access to the local variables. However, you can reload the variables you've stored using the -r option.

%store -r a
print a # Should print 1