Lesson 11 discussion and wiki

[brismith (Brian Smith)]

@Raymond-Wu

Could I get a refresher on what callbacks and hooks were?

[Blog post] Understanding callbacks in fastai

Hello everyone! As callbacks were one of the important topics in lesson9 (and more broadly they are one of the great thing about fastai) and that I saw a lot of discussion about them on the forums, I decided to make a blog post explaining them as best as I could. You can it on the following link: https://pouannes.github.io/blog/callbacks-fastai/ Of course feel free to make any suggestion or comment, all feedback is most welcome! In particular I didn’t talk about the details of how callbacks a…