TILs - Fueling Curiosity, One Insight at a Time

At Codemancers, we believe every day is an opportunity to grow. This section is where our team shares bite-sized discoveries, technical breakthroughs and fascinating nuggets of wisdom we've stumbled upon in our work.

Published: Aug 23, 2017
Author: Manu

The best way to parse time is to use Time.zone.parse (which will use the time zone specified in config.time_zone) instead of just Time.parse (which will use the computer’s time zone) courtesy: https://www.varvet.com/blog/working-with-time-zones-in-ruby-on-rails/

Published: Aug 22, 2017
Author: Yuva
Co-founder

capistrano3-puma has become so advanced that it can now generate nginx configuration https://github.com/seuros/capistrano-puma#nginx This is so helpful!

Published: Aug 22, 2017
Author: Yuva
Co-founder

from ps man pages, if you want to list pids of particular process just use ps -C -o pid=. Damn handy when it comes to looping and killing processes

Published: Aug 22, 2017
Author: Manu

Rails delegate http://www.rubydoc.info/gems/rubocop/RuboCop/Cop/Rails/Delegate

Published: Aug 19, 2017
Author: Mrinmoy

in js the default sort order is according to string Unicode code points, source https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/sort (shrug)

Published: Aug 18, 2017
Author: Manu

Rails prepend_before_action to chain before action callbacks.

Published: Aug 16, 2017
Author: Akshay

ActiveSupport::Autoload helps to require the file and loads only when needed

Published: Aug 14, 2017
Author: Yuva
Co-founder

ActiveStorage supports mirror service, one can upload files to multiple storages in 1 shot

Published: Aug 11, 2017
Author: Mrinmoy

mod of negative numbers are complicated :P ruby, python, haskell returns correct value, cpp and js does not.

Published: Aug 11, 2017
Author: Yuva
Co-founder

How to get child pids of a process given pid? pgrep -P

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