Today I Learned

TIL, 2017-04-03, Active Support Once Again

  • spring: Rails console is also included, you have to restart spring if you changed something in config/initializers/.
  • Date.to_formatted_s, just put your own conversions in config/initializers/. Rails
  • Keyword arguments: They are sort of slower than normal arguments?
  • benchmark-ips.
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TIL, 2017-04-02, assert_valid_keys

Mass move: mv _posts/*.md _posts/programming. Just use update_attributes! and create! instead of update_attributes and create, if only to avoid silent...
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TIL, 2017-04-04, Enterprise Rails Chapter 4.

- `a.sort { |a, b| [a['foo'], a['bar']] [b['foo'], b['bar']] }` to sort by multiple fields. [Reference](http://stackoverflow.com/questions/4309723/ruby-sort-by-multiple-values). - Tail from local...

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