Today I Learned

TIL, 2017-11-22, on what nohup actually does

  • Sometimes the associations are also cached (RSpec things).
  • Youtube downloader is surprisingly not that hard. Lots of options.
  • nohup
    • Invokes a utility immune to hangups, whatever that means.
    • nohup sh -c “youtube-dl -o ‘~/Downloads/trainer/watch/%(title)s’ $1 && say ‘download finished’ &” > ~/Downloads/trainer/watch/nohup.out
    • After the > is where the log files appear.
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TIL, 2017-11-21, sort by file creation times/block shorthand.

Dir.glob("*").sort {|a,b| File.ctime(a) <=> File.ctime(b) } to sort by file creation times. But you can use .sort_by(&File.method(:ctime)). I guess you...
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TIL, 2017-11-23, OptParser

- Bash format YYYY [Reference](https://stackoverflow.com/questions/1401482/yyyy-mm-dd-format-date-in-shell-script) - `OptParser` (can't use thor without bundle install yet). - system('open', 'http://localhost:3000') to script opening...

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