* fix demo

* fix

* fix

* fix code style

* add support for file_list shuffle each epoch, test=develop

* fix float learning rate bug

* optimized code for shuffle files
Co-authored-by: Ntangwei12 <tangwei12@baidu.com>

* fix save inference

* add fine tuning trainer

* add doc

* fix
Co-authored-by: NseiriosPlus <tangwei12@baidu.com>
Co-authored-by: Nwuzhihua <35824027+fuyinno4@users.noreply.github.com>

Revert "fix read hide files bug for core/trainers/framework/dataset.py core/utils/dataloader_instance.py"

This reverts commit 348042af.

* fix

* test

* remove setup change

* fix

* fix
Co-authored-by: Ntangwei12 <tangwei12@baidu.com>