ytlm

# ip port user password
# comments

ytlm

if

if [ condition1 ]; then
    expression1
elif [ condition2 ]; then
    expression2
else
    expression3
fi

ytlm

chrome://flags/#enable-ntp-popular-sites

chrome://flags/#enable-ntp-remote-suggestions

chrome://flags/#enable-ntp-asset-download-suggestions

chrome://flags/#enable-ntp-bookmark-suggestions

chrome://flags/#enable-ntp-snippet

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    time_namelookup:  %{time_namelookup}\n
       time_connect:  %{time_connect}\n
    time_appconnect:  %{time_appconnect}\n
      time_redirect:  %{time_redirect}\n
   time_pretransfer:  %{time_pretransfer}\n
 time_starttransfer:  %{time_starttransfer}\n
                    ----------\n
         time_total:  %{time_total}\n

ytlm

sudo groupadd docker
sudo gpasswd -a ${USER} docker || sudo usermod -aG docker ${USER} 
sudo systemctl restart docker
sudo chmod a+rw /var/run/docker.sock


# 退出当前用户重新进来，就可以用非root用户使用docker命令

ytlm

* hostnamectl
* rpm --query centos-release
* lsb_release -d
* cat /etc/centos-release
* cat /etc/os-release
* cat /etc/redhat-release
* cat /etc/system-release

ytlm

[share]
    comment = Share Files
    path = /root
    valid users = root
    write list = root
    writeable = yes 
    browsable = yes 
    
    
    

ytlm

git fetch -p
git remote prune origin

# 删除所有已经merge到master上的分支
git branch --merged master | grep -v '^\*\|  master' | xargs -n 1 git branch -d


# 查找所有远程分支不存在的本地分支，然后再用git branch -d进行删除

for b in $(git branch -vv | grep -v origin | awk '{print $1}'); do

ytlm

ffmpeg -ss 00:00:03 -t 60s -i test.flv  -c:v libx264 -c:a aac -strict experimental -b:a 98k out.mp4
# 从test.flv视频中的00:00:03时间点开始，截取60s时间的视频，输出为out.mp4视频文件


ffmpeg -i test.flv -strict -2 -vf crop=1920:1000:430:0 out.mp4
# 具体含义是 crop=width:height:x:y，其中 width 和 height 表示裁剪后的尺寸，x:y 表示裁剪区域的左上角坐标。将该点作为基准点，向右下进行裁剪得到输出视频。


ffmpeg -i test.flv -filter_complex transpose=1 -y out.mp4
# transpose=1为顺时针旋转90°，transpose=2逆时针旋转90°。

ytlm

// 生成http Date
var today = new Date()

var apiDate = today.toUTCString()

postman.setEnvironmentVariable("api-date", apiDate);

// 获取请求method
var method = request.method