mhanberg

❌

if value == "Alice" || value == "Bob" || value == "Carol" do
  # stuff
end

✅

if Enum.member?(["Alice", "Bob", "Carol"], value) do
  # stuff

mhanberg

# This function will print out the net lines added
# in your current changes or in a given commit

netlines() {
  git --no-pager diff --numstat $1 | awk '{sum += ($1 - $2)} END{print sum;}'
}

$ netlines
-200

mhanberg

module Interceptors
  class StagingServerEmailInterceptor
    def self.delivering_email(email)
      email.to = "[email protected]"

      email.subject = "(TEST) " + email.subject
    end
  end
end

mhanberg

# pbpaste - paste from your macOS clipboard
# jsonlint - linting tool for JSON. `-p` will format the input
# less - standard unix pager

$ pbpaste | jsonlint -p | less

mhanberg

unwrap-last-commit() {
  git reset --soft HEAD~1
  git reset
}

mhanberg

.flash-container {
  @apply flex flex-col flex-1 absolute;

  top: 4rem;
  right: 5rem;
}

.flash {
  @apply max-w-sm rounded-r border-l-3 shadow p-4 mb-4 inline-block relative;

mhanberg

Some text that you want to save to a gist,
but don't want to save to your computer.

mhanberg

> for each desired change, make the change easy (warning: this may be hard), then make the easy change

for each new tool you use, make the tool easy to use (warning: this may be hard), then easily use the tool

mhanberg

export ERL_AFLAGS="-kernel shell_history enabled"

mhanberg

" .vimrc

" Enable persistent undo
set undofile

" Use a temporary directory to store undo files
set undodir=~/.tmp