david-pm

// stolen from: https://dev.to/gajus/my-favorite-css-hack-32g3

* { background-color: rgba(255,0,0,.2); }
* * { background-color: rgba(0,255,0,.2); }
* * * { background-color: rgba(0,0,255,.2); }
* * * * { background-color: rgba(255,0,255,.2); }
* * * * * { background-color: rgba(0,255,255,.2); }
* * * * * * { background-color: rgba(255,255,0,.2); }
* * * * * * * { background-color: rgba(255,0,0,.2); }
* * * * * * * * { background-color: rgba(0,255,0,.2); }

david-pm

# inspired by this article:   https://www.honeybadger.io/leveling-up/safeguarding-redis/
# and adapted from this gist: https://gist.github.com/joshuap/c1ff2657c150df6fb1257398b1d2716b
#
# * needed a way to disable flushall and flushdb in Production only
# * wanted to add a way to add some basic tests for sanity and explicit documentation
#
############### config/initializers/redis.rb #########################
require 'redis'
require 'redis_dangerous_commands'

david-pm

#!/bin/bash
# resets HEAD back one commit, recommits with provided message and force pushes to origin

commitmsg=$1

# stole function from: .oh-my-zsh/lib/git.zsh
function current_git_branch() {
  local ref
  ref=$(command git symbolic-ref --quiet HEAD 2> /dev/null)
  local ret=$?

david-pm

class BankAccount
  attr_reader :balance
  def initialize(starting_balance)
    @balance = starting_balance
  end

  # if this were #irl we'd need to worry about race conditions here
  def deposit(amount)
    @balance += amount
  end

david-pm

# sed -i -f convert_to_snakecase __yourfile__
#
# to run this within in vim:
# %s/[A-Z]/_\L&/g | %s/\<_//g


s/[A-Z]/_\L&/g; s/\b_//g

david-pm

#!/usr/bin/env ruby

changed_files = `git diff-tree --no-commit-id --name-only --diff-filter=AM -r HEAD`.lines.map(&:chomp)
return if changed_files.empty?

results = `bundle exec rubocop --color #{changed_files.join(" ")}`

no_offenses_detected = results.include?("\e[32mno offenses\e[0m detected")
return if no_offenses_detected

david-pm

return unless Rails.env.development?

MAX_LOG_SIZE = 2.megabytes
logs = File.join(Rails.root, 'log', '*.log')
if Dir[logs].any? { |log| File.size?(log).to_i > MAX_LOG_SIZE }
  $stdout.puts "---------- \033[32m clearing dev logs \033[0m --------------"
  `rails log:clear`
end

david-pm

> rails g controller home index
> rails g channel chat

-------
config/routes.rb:
-------
root 'home#index'

david-pm

INSTALL:

$ git clone --recursive https://github.com/WebAssembly/wabt
$ cd wabt
$ make clang-release
$ cd out/clang/Release
$ pwd | pbcopy (or just pwd and copy the output manually)

Add the pwd path to your shell config $PATH for ease of use.

david-pm

require 'digest'

class Block
  attr_reader :index, :parent, :created_at, :data, :hash

  def initialize(index:, data:, parent: '')
    @index         = index.to_i
    @data          = data
    @parent        = parent.empty? ? '0' : parent
    @created_at    = Time.now.to_s