Migrations are a way to make database changes or updates, like creating or dropping tables, as well as updating a table with new columns with constraints via generated scripts. We can build these scripts via the command line using knex command line tool.
To learn more about migrations, check out this article on the different types of database migrations!
| var http = require('http') | |
| var fs = require('fs') | |
| var argv = require('optimist').argv | |
| var rxVideoID = /v=([\]\[!"#$%'()*+,.\/:;<=>?@\^_`{|}~-\w]*)/ | |
| var link = argv._.toString() | |
| var videoID = link.match(rxVideoID)[1] | |
| http.get("http://www.youtube.com/get_video_info?video_id="+videoID, function(res) { | |
| var chunks = [] |
| Originall From: Posted 2015-05-29 http://ubwg.net/b/full-list-of-ffmpeg-flags-and-options | |
| This is the complete list that’s outputted by ffmpeg when running ffmpeg -h full. | |
| usage: ffmpeg [options] [[infile options] -i infile]… {[outfile options] outfile}… | |
| Getting help: | |
| -h — print basic options | |
| -h long — print more options | |
| -h full — print all options (including all format and codec specific options, very long) |