Notebooks don't need to be online. You can run a local notebook same way as you run a local IDE. The most significant difference is that the notebook always ha

Notebooks don't need to be online. You can run a local notebook same way as you run a local IDE. The most significant difference is that the notebook always has runtime information about how the available information is being processed, while the IDE only has this information available while it's in debug mode. The first model provides much more information about the system behaviour, easier to access.