Today I Learned

TIL, 2017-05-29

  • wc -l: Word count, by line. -w, words. -m, characters.
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TIL, 2017-05-25

sudo apt-get install <application-name> to uninstall stuffs. sudo apt-get remove <application-name> to uninstall stuffs. Database dump from staging to local...
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TIL, 2017-05-30

- `.present?` and `.blank?` can be the interface method that is used when detecting falsity: false, nil, [], {}, '',...

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