$ git checkout f7c774b
Checking out files: 100% (357/357), done.
Note: checking out 'f7c774b'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by performing another checkout.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -b with the checkout command again. Example:

  git checkout -b new_branch_name

HEAD is now at f7c774b... update jeffsui.github.io

$ git branch -av
* (detached from f7c774b) f7c774b update jeffsui.github.io
  master                  6ce1857 Site updated: 2016-08-07 22:09:10
  remotes/origin/HEAD     -> origin/master
  remotes/origin/develop  f7c774b update jeffsui.github.io
  remotes/origin/gh-pages 1eee93f Site updated: 2016-02-13 21:03:46
  remotes/origin/master   6ce1857 Site updated: 2016-08-07 22:09:10

$ git fetch origin develop:develop
From https://github.com/jeffsui/jeffsui.github.io
 * [new branch]      develop    -> develop

$ git branch -av
* (detached from f7c774b) f7c774b update jeffsui.github.io
  develop                 f7c774b update jeffsui.github.io
  master                  6ce1857 Site updated: 2016-08-07 22:09:10
  remotes/origin/HEAD     -> origin/master
  remotes/origin/develop  f7c774b update jeffsui.github.io
  remotes/origin/gh-pages 1eee93f Site updated: 2016-02-13 21:03:46
  remotes/origin/master   6ce1857 Site updated: 2016-08-07 22:09:10

dbpath=d:\tools\mongodb\db #数据库路径
logpath=d:\tools\mongodb\log\mongodb.log #日志输出文件路径
logappend=true #错误日志采用追加模式，配置这个选项后mongodb的日志会追加到现有的日志文件，而不是从新创建一个新文件
journal=true #启用日志文件，默认启用
quiet=true #这个选项可以过滤掉一些无用的日志信息，若需要调试使用请设置为false
port=27017 #端口号 默认为27017

# Default to human readable figures
# alias df='df -h'
# alias du='du -h'
#
# Misc  
# alias less='less -r'                          # raw control characters
# alias whence='type -a'                        # where, of a sort
# alias grep='grep --color'                     # show differences in colour
# alias egrep='egrep --color=auto'              # show differences in colour
# alias fgrep='fgrep --color=auto'              # show differences in colour
#
# Some shortcuts for different directory listings
# alias ls='ls -hF --color=tty'                 # classify files in colour
# alias dir='ls --color=auto --format=vertical'
# alias vdir='ls --color=auto --format=long'
# alias ll='ls -l'                              # long list
# alias la='ls -A'                              # all but . and ..
# alias l='ls -CF'                              #

# Default to human readable figures
alias df='df -h'
alias du='du -h'
#
# Misc  
alias less='less -r'                          # raw control characters
alias whence='type -a'                        # where, of a sort
alias grep='grep --color'                     # show differences in colour
alias egrep='egrep --color=auto'              # show differences in colour
alias fgrep='fgrep --color=auto'              # show differences in colour
#
# Some shortcuts for different directory listings
alias ls='ls -hF --color=tty'                 # classify files in colour
alias dir='ls --color=auto --format=vertical'
alias vdir='ls --color=auto --format=long'
alias ll='ls -l'                              # long list
alias la='ls -A'                              # all but . and ..
alias l='ls -CF'                              #

NAME                                     DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
registry                                 Containerized docker registry                   320       [OK]       
atcol/docker-registry-ui                 A web UI for easy private/local Docker Reg...   55                   [OK]
konradkleine/docker-registry-frontend    Browse and modify your Docker registry in ...   40                   [OK]
samalba/docker-registry                                                                  35

{"num_results": 5, "query": "", "results": [{"description": null, "name": "correl/erlang"}, {"description": null, "name": "linfeng/cmd"}, {"description": null, "name": "library/my_nodejs_image"}, {"description": null, "name": "library/centos"}, {"description": "", "name": "library/nginx"}]}

1、git checkout the_branch

2、git pull

3、git branch the_branch_backup //备份一下这个分支当前的情况

4、git reset --hard the_commit_id //把the_branch本地回滚到the_commit_id

5、git push origin :the_branch //删除远程 the_branch

6、git push origin the_branch //用回滚后的本地分支重新建立远程分支

7、git push origin :the_branch_backup //如果前面都成功了，删除这个备份分支

git branch the_master_backup

git push origin the_master_backup

git branch -D branch_name //删除本地master分支

git push :master //推送一个空分支,相当于删除远程master分支

git checkout the_master_backup

git reset --hard commit_id

git branch master //重新创建master分支

git push origin master //重新推送master分支

git branch -D the_master_backup //删除本地the_master_backup分支

git push origin :the_master_backup//删除远程the_master_backup分支

remote: error: By default, deleting the current branch is denied, because the ne
xt
remote: error: 'git clone' won't result in any file checked out, causing confusi
on.
remote: error:
remote: error: You can set 'receive.denyDeleteCurrent' configuration variable to

remote: error: 'warn' or 'ignore' in the remote repository to allow deleting the

remote: error: current branch, with or without a warning message.
remote: error:
remote: error: To squelch this message, you can set it to 'refuse'.
...