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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.

Aug 18, 2017
Rails prepend_before_action to chain before action callbacks.
manu
manu
Aug 16, 2017
ActiveSupport::Autoload helps to require the file and loads only when needed
akshay
akshay
Aug 14, 2017
ActiveStorage supports mirror service, one can upload files to multiple storages in 1 shot
yuva
Yuva
Co-founder
Aug 11, 2017
mod of negative numbers are complicated :P ruby, python, haskell returns correct value, cpp and js does not.
mrinmoy
mrinmoy
Aug 11, 2017
How to get child pids of a process given pid? pgrep -P
yuva
Yuva
Co-founder
Aug 10, 2017
Neovim (Vim): To change all the existing tab characters to match the current tab settings, use: :retab
manu
manu
Aug 10, 2017
Finding the last Sunday in rails. 

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


d.wday gives the weekday starting from 0.
manu
manu
Aug 3, 2017
There is an app to do recon on people you are going to meet https://charlieapp.com/
emil
emil

Showing 73 to 75 of 77 results

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