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 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

Published: Aug 10, 2017
Author: Manu

Neovim (Vim): To change all the existing tab characters to match the current tab settings, use: :retab

Published: Aug 10, 2017
Author: Manu

Finding the last Sunday in rails.

Code

d = DateTime.now
sunday = d - d.wday

d.wday gives the weekday starting from 0.

Showing 78 to 80 of 82 results

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