Fueling Curiosity, One Insight at a Time

We can leverage structs in ruby to encapsulate and hold internal class data into a struct object. Since struct saves us from writing attr_accessor methods or initializer method, we can easily leverage it when in need of a temporary data structure and need to have the data grouped.

If you are using materialize, you need to initialize the select element with material_select(). Otherwise the select box will not get rendered.

Elixir and Erlang has a limit on the number of atoms that can be created. We can view the atom limit using :erlang.system_info(:atom_limit). Atom's text value is stored in the atom table and this is not garbage collected. This explains why user inputs to phoenix routes are to be matched with strings rather than atoms.

https://makandracards.com/makandra/5365-git-diff-staged-changes especially git diff --cached master is very useful,
1. if you do not like to look at web-ui for diff and
2. has a quite a bit code which you dont want to stage atm.

rubocop -a can autocorrect many kinds of issues.

ActiveRecord update_all does not touch updated_at

byebug

new design layout, pretty cool https://www.smashingmagazine.com/2018/05/guide-css-layout/

If one wants to run iex without starting any applications iex -S mix run --no-start is very handy

For models A and B, if A has_one B, then A.new.b.build wont work. You have to say A.new.build_b.