How to use mix aliases to run custom project-specific tasks

elixir mix

How to have clean test output in elixir

elixir exunit testing

How to set up Vim to work with Markdown

markdown vim

How to find JavaScript performance problems

javascript performance

How to copy to clipboard with JS

javascript

How to make Iex remember what you wrote

elixir iex

How to make feature specs less awful

capybara rails ruby testing

How to find a randomly failing RSpec test

rails rspec ruby testing