tool tricks

##1 BFG tool to simplify .git repo

download page

https://rtyley.github.io/bfg-repo-cleaner/

usage:

java -jar bfg-1.14.0.jar -b 2M mmagnn/.git

if protected commits append the command

–no-blob-protection

java -jar bfg-1.14.0.jar -b 2M mmagnn/.git –no-blob-protection

##2 git large file manage

>查找大于50M的文件
 find . -type f -size +50M
>标记为大文件管理
git lfs track "./xxx.zip"
>追踪大文件管理记录
git add .gitattributes
提交
>git commit -m "添加了大文件"
>git push 

查看哪些是lfs管理 git lfs ls-files

##3 jupyter_config jupyter_personal_config:

work with conda envs：

1) install nb_conda_kernels in the base env :

conda install nb_conda_kernels

2) install ipykernel in needed env:

conda install ipykernel

remove env:

jupyter kernelspec remove env_name

##4 conda 导出环境

conda env export > env.yml

导入环境

conda env create -f env.yml