Posts

FFmpeg

FFmpeg extract audio mp3 from mp4 video ffmpeg -i video.mp4 -b:a 192K -vn music.mp3 How to merge audio and video file in ffmpeg ffmpeg -i video.mp4 -i audio.wav -c:v copy -c:a aac output.mp4

Generate ctags on FreeBSD

Install ctags # pkg install ctags Execute ctags Go to the directory where you want to generate ctags file and run command as follows: $ /usr/local/bin/exctags -R

Update the value of column value in clickhouse database

The command is as follows: :) ALTER TABLE tablename UPDATE column_name = column expresion1 WHERE  expression; Example: :) ALTER TABLE tablename UPDATE time = time / 100 WHERE id = 0;

YCM error. The ycmd server SHUT DOWN (restart wit...the instructions in the documentation) In FreeBSD

Open .py file with vim I got error message as following: " YCM error. The ycmd server SHUT DOWN (restart wit...the instructions in the documentation) " Solution: 1. Install cmake # pkg install cmake 2. Compile $ cd /home/j/.vim/bundle/YouCompleteMe $ python3 install.py

Install v2ray on FreeBSD

Install # pkg install v2ray Configuration Set v2ray system startup. Add content as following below to /etc/rc.conf # sysrc v2ray_enable=yes set v2ray's config.json of client. {   "log": {     "access": "",     "error": "",     "loglevel": "warning"   },   "inbounds": [     {       "tag": "socks",       "port": 10808, // port of client for socks       "listen": "127.0.0.1",       "protocol": "socks",       "sniffing": {         "enabled": true,         "destOverride": [           "http",           "tls"         ],         "routeOnly": false       },       "settings": {         "auth": "noauth",         "udp": true,         "allowTransparen...

Error message "Unknown function: togglebg#map" when open vim on FreeBSD

 Solution: $ mkdir ~/.vim/autoload $ cp ~/.vim/bundle/vim-colors-solarized/autoload/togglebg.vim ~/.vim/autoload

Cannot find color scheme 'zenburn' when open vim on FreeBSD

Solution: $ mkdir ~/.vim/colors $ cp ~/.vim/bundle/Zenburn/colors/zenburn.vim ~/.vim/colors/